How to Fix: There is likely an issue with the flame rod. Rinnai fault code 11 - No ignition. The EcoSmart tankless water heater needs 208 volts or higher to run correctly. A small amount of restriction will still allow it to function freely. He has practical skills in fixing smoker & heating appliance issues. It specifies that a false flame has been sensed. Besides, it may be due to the fuse in the power board being blown out. After that, you should replace the front panel and then restart the heater. Water heaters display specific codes to represent an underlying issue. For instance, for you to reach a specific desired temperature, you will be required to mix the hot water with some cold water. Blockage in the air intake and exhaust vents. However, since it is an electronic machine, you may experience some technical difficulties at some point in time. Condensation. The EcoSmart tankless water heater is not rated or designed to heat at temperatures over 140 degrees. I also have a problem with the hot water going cold after running for about three minutes. What are the most common problems with tankless water heaters? Now come to the condensate trap and look for any degradation. just had water installed reads E 5 code. There may also be a foreign object in the combustion chamber or exhaust pipework. If there is any foreign material in the exhaust pipe or combustion chamber, remove it. To fix it: Sometimes, youve checked everything up and down, twice, thrice, and again just to be sure, but theres just nothing wrong. More about us. It may look like a technical piece, Read More How To Turn On Water Heater? Checked the exhaust. Please note that this is only a short-term fix to this error. But there are a few more factors that need your attention. Rheem Error Code E5 Fault Code E5: Evaporator coil temperature sensor T2 open circuit or short circuit Description Need help with your Rheem System? Then, adjust the altitude settings. I've been conducting professional home inspections since 2002. [Gas, Electric, Tankless Water Heaters Complete Guide 2021]Continue, If you have a Rinnai tankless water heater, kudos to you, you have made one of the wisest investments of your life. Code E5 is still showing. If there is any faulty cable, you can terminate it and hook the remote control directly to the terminal on the PCB. A faulty flow meter sensor and poor or broken wiring connection to the sensor are responsible for triggering the error code E4. Then remove the front cover of your heater to inspect the internal parts. This takes pressure off the water tank. Is the heater not heating water? Since water heaters require air to keep the pilot burning, a closed valve will shut off the air supply. Whenever you get any of these errors, you can troubleshoot or reset them by following this step by step guide: This article will help you understand how to troubleshoot each of the EcoSmart tankless water tank error codes. We earn a commission if you purchase at no additional cost to you. First off, locate and turn the water valve to the off position. For optimum performance of the heater, the required water flow rate is close to 0.66 GPM. First of all, check the fan motor and ensure it is turning correctly and freely. This code will be shown on the heaters digital display or sent to a mobile app on your phone. You should note that while your EcoSmart tankless water heater is running or working in the CE1 Mode, the heating temperature will default or factory reset to 125 degrees, just as the case with a normal or perfectly working EcoSmart tankless water heater. Slow it down until the LED display starts to show the selected degrees of temperature. Error E5 codes may be the result of a malfunctioning combustion alarm. The Rheem tankless water heater code means that incomplete combustion is taking place in your heater or it may be that the water flow is too high. In some instances, your EcoSmart tankless water heater will display an error code. Rheem generally offers 1-year limited warranty on its products. For example, this could be due to a power surge or power malfunction. How to Fix: Make sure theres no damaged or loose connections. First of all, examine the remote controls wiring and find out the loose or damaged connections. The E5 error code refers to the Pressure Switch which can be caused by a motor problem or the voltage of the power supply is too low. What does it even mean! Gas leaks. Why does my tankless water heater go cold sometimes? Solution. What part of Australia are you from? Check the gas solenoid for valves for short circuits and the igniter wiring harness for signs of damage. This results in a lack of combustible air and results in incomplete combustion. Yes, your water heater will occasionally produce cold water in addition to the hot water it normally produces. WaterHeater HUB 2021 - All Rights Reserved. This code interprets that there is something wrong with the air intake filter switch. How to Fix: Check to ensure all vent and heat exchange components are clean and properly connected. Follow the below step-by-step guide to fix the combustion issue from your water heater: Whenever you encounter a combustion problem in your tankless water heater, making the air filter blockage free is a must to fix the issue. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Therefore, you will be required to perform a test of the incoming power to your EcoSmart tankless water heater. Examine the gas control valve wiring harness for any loose or damaged terminals and Ohm it out after consulting the users manual. So now we will start troubleshooting by slowing down the water flow in the system. Clogged Exhaust 6. Tankless electric water heater E5 error code Found this from Google. A blocked exhaust is often the reason behind faulty combustion alarms. Before you begin, check the pressure by inserting a meter into an outside faucet and turning it on. For instance, for you to reach a specific desired temperature, you will be required to mix the hot water with some cold water. How to Fix: Check the combustion chamber, exhaust pipes, heat exchanger, and vent terminal for scale or blockages. 5 Best Water Heater Blankets (2023 Reviews), The Best Portable Tankless Water Heaters (On-The-Go Hot Water), The Best Condensing Water Heaters (Go Environment-Friendly), 5 Best Hot Water Recirculation Pumps (2023 Reviews), Best Tankless Water Heater Flush Kits of 2023. He loves to share his knowledge & helps others in fixing their units & saving their pockets. If the gas pressure is inadequate, incomplete combustion will take place resulting in incomplete combustion. As a result, water will start to heat. event : evt, Once you are done, regulate the temperature or flow rate of the machine. There is a wide variety of potential causes for the problem, including faults with the supply of gas and electricity, or failure to regulate temperature. RTEX-36. Once done, rinse the loose debris under the running water. As such, you will be required to slow down the flow rate. Additionally, make sure the proper vent materials were used. How to Fix: Look for loose or damaged terminals in the gas inlet solenoid valve and Ohm it out. A too-high temperature in the combustion chamber can increase pressure and cause heaters to explode. Then, Ohm it. Any ideas on this? Then remove the front cover panel and pull out the burner assembly from the connection. Consult your owner's manual to find out exactly where you need to look. In most cases, you need to get a replacement for old faucets. In both cases, the heater will still work. Blocked Water Inlet Filter 3. Then the heat exchanger transfers heat from the burner into the water quickly. Was it enjoyable? Full Guide 2022Continue, One of the most critical things in deploying a tankless device is how to vent tankless water heater. If necessary, turn in more. LPG users check Propane bottle level. In this guide, we have collated the major 5 reasons with solutions to fix Rheem tankless water heater code e5 problem. Continue reading our following comprehensive guide to getting rid of the error code ASAP. Corrosion or Scale Deposit On Heat Exchanger. Probably not. 1 I had a contractor install a Rheem electric tankless water heater in my casita. One common problem with Rheem tankless water heaters is not getting any hot water while showering. And lets not forget the annoying beeping sounds from a faulty combustion alarm. Fortunately, as a DIYer, you can quickly solve most of these issues without extensive technical knowledge. Disconnect the remote control, PC board, and all wiring harnesses, then reconnect. Consult your owners manual to find out exactly where you need to look. Over time, tankless water heaters may collect deposits and minerals build-up, which can erode the walls inside your containers heating chamber. It is an error on the High Temperature. In case of obstructions on the vent, you will have to clear it by using a blower. Rheem water heater error codes are short and simple. Calcium Carbonate deposits also impede the performance of heat exchangers. Slowing down the water flow rate will be enough to resolve the issue. This is an error on the thermistor. Never assume that contractors know all water heater location codes for your locality. What to do. Check the ventilation system and vent openings for blockages or dirt and clean as needed. Now take an in-depth look at the step-by-step guide to fix the Rheem tankless water heater code E5 in a shorter time. Conclusion. Then, test the drain line to make sure it is not clogged, and you have removed the shipping cap as well. there's a good chance that a change or two have taken place. Ohm out the sensor and replace if necessary. Error Code 05 What it Means: Imperfect Combustion - The system is dirty or blocked. In this case, you need to inspect the fan motor and check whether it is operational and in good working condition. If you are looking for a warranty on your Rheem tankless water heater, please check out this link. on: function(evt, cb) { Some of the common problems with tankless water heaters are the cold water sandwich effect, mineral buildup, ignition failure, incomplete combustion, etc. Correct venting of a water heating system can guarantee efficient performance and increase the lifespan of your appliance. What does it mean? Relocate the heater if necessary. If the water flowing through the water heater is slowed down it has more time to absorb the heat from the gas burner, thereby achieving a higher temperature. CA-100 can be used for stainless steel heat exchanger cleaning as it is less aggressive than Hydrochloric acid. Complete Guide 2022Continue. Why is Your Water Heater Leaking From Overflow Pipe? A false flame being detected may also necessitate a service call, yet there are certain steps to take first. Open a hot water faucet in a tub until the water stops flowing. Now, check the flue inlet and exhaust termination and ensure they are free of blockages and have sufficient clearance space. 2. Are you ready to learn? If you notice it is low, you may have to clean it. In that case, you may want to reset the heater instead. Contact a professional to clean or replace the heat exchanger effectively. Replace the rod, making sure it touches the flame when firing and there are no foreign materials getting in the way. Complete Guide 2022, How To Determine The Age Of A Water Heater? Lack of Ventilation In The Room 7. Through our guide, expectantly, you have solved this problem very easily. How to Re-Light Your Rheem Tankless Water Heater. You will find dirt, debris, and carbon buildups, creating problems in combustion. Turn off the double 240V circuit in the electrical panel for the water heater. There is an issue with the outlet thermistor. The reset button is there for safety reasons. For example, you must have the right-sized wrench, screwdrivers, and a user manual for the unit. The EcoSmart tankless water heater is acquitted with 2-4 thermostats. You can order the specific blown-out fuse from amazon. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . Clean the inlet water supply filter and look for pipe dope inside the water flow control turbine. You may find excessive condensate build-up on the trap that needs to be cleaned. Keep reading our Rheem tankless water heater troubleshooting manual to get rid of the error code ASAP. When your water heater finds a problem, it displays an error code in the LED display on the remote control or the front panel. If you are confident that youre not overworking your unit, consult a professional. In general, the standardresidential water pressure range should be between 40-60 psi (pounds per square inch). You can compare this code to those on our list to find out what is wrong with your heater. } Besides, the temperature cant able to reach the set temperature. Join our exclusive 2,500+ email list to get tailored advice, product roundups, and be the first to see our new content. Well, as your water heater is a new one, it is worth contacting the Rheem customer support center before doing anything by yourself as your heater must cover the warranty period. Standard EcoSmart tankless water heater error codes include: Get FREE quotes from licensed Plumbers in your area today. This will reboot your water heater and clear the error from the control panel display. Thus, you will end up with cold or lukewarm water instead of hot water. Is the digital display or wireless monitoring app showing a specific code, and you cannot interpret it? Defective ODS thermocouples, dirty or defective flame rods, and incorrect burner manifold pressure are the culprits for popping up this warning message. Relocate any hard objects that could be impeding the pipe and causing debris to build up inside. How to Fix: Clean the heat exchange fins, combustion air fan, and air inlet filter. Well, if cleaning doesnt work, replace the air filter. To restart the heater, turn off the power by switching the switch that controls the power and the switch that controls the heater at the circuit breaker. Press the reset button on Rheem tankless water heater. But in case the water pressure reaches above 80 PSI, be sure it is definitely time to lower the water pressure. This is an EcoSmart tankless water heater error on the outlet thermistor. Replace the cap after cleaning it clean with a sponge or soft cloth. Why do you need to know about the water heater code violations and, Read More An Exhaustive Guide On Water Heater Installation Code RequirementsContinue, Have you ever taken a bath when the tankless water heater was off? Clean the burner assembly. Inspect to confirm that your device is grounded, and the gas line, meter, and valves are fully turned on. Examine the flame rod to make sure it is joined and free of carbon collection. Contact Rheem for additional service if the error code is "13," "1L" or the previous error code does not clear even after corrective actions. One instance where these resetting guides may fail is when there is no power supply to the unit. If you get the error code E5 and lukewarm water. After that, you can reinstall your heat exchanger. If you have one installed regulator in your house water pipe and encounter a high water pressure issue, chances are it needs to be adjusted. > Clean or replace the corroded heat exchanger. All the thermostats are rated at 140 degrees. However, it would be best if you got the right tools for a perfect DIY job. When there is too much water pressure, it will not let the water absorb heat. new electric tankless Rheem 18kw giving E5 code with shower on. Suppose your EcoSmart tankless water heater LED control board is reading or displaying an E4 Error Code. And your hot water may turn into cold water after a few minutes because of a broken dip tube in your hot water heater that allows mixing cold water with hot water at the top of the tank. It is the most common plumbing valve installed in the water line of your house. There is an issue with the PGFR (proportional gas flow regulating) valve. Rheem tankless water heaters are among the most reliable you can buy, but like any technology, they will eventually encounter issues. > Adjust the water pressure regulator of the main water line. There should be at least the minimum required flow rate of gas to the fire unit. Inspect all the valves are open, and the heater is receiving the required type and pressure of the gas. How to Fix: Check to make sure theres no damage to the wiring harness or motor and all connections are tight. It must have the proper gas volume and pressure. > Make sure the condensation trap is blockage-free and installed properlyCorrosion build-up in the heat exchanger> Clean or replace the corroded heat exchanger.Defective combustion fan motor> Replace the faulty fan motor.Problem with the main burner> Inspect the burner assembly and blow down the dirt using compressed air.> Ensure the burner ribbons are seated properly. It would be wise to take help from a professional to do the work. Blocked Air Intake 5. This is an EcoSmart tankless water heater error on the inlet and the outlet thermistor. Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. A Rheem tankless water heater has over 30 potential codes, and the solution will differ depending on the specific make and model of water heater that you have. This thing should be cranking out 3X the hot water we need if every appliance and faucet is turned on in the whole house. How To Fix: The shower has a water volume of 1.5 gallons per minute to 3 gallons per minute. If still, the error E5 is displaying on the heater control panel, it is sure the faulty fan motor is now to be blamed. That means there is an issue with either combustion air or venting. For an electric tankless heater, this shouldnt be much of an issue. Now, remove all the blockages from the vents and where it ends outside. Now, grab a flathead screwdriver and look behind at the gas regulator. Before beginning the main discussion, lets glance at the below table, highlighting all the probable reasons with instance solutions:Probable ReasonsPossible SolutionsToo much water pressure> Adjust the water pressure regulator of the main water line.Malfunction in the combustion system> Clean the air intake filter.> Inspect the air intake vent and exhaust outlet for clogs. Step 1: First off, shut off the electrical power of your heater and close the water shut-off valve as well. The causes of the E5 code appearing on your heaters display include too much water flow, incorrect gas pressure, blocked air intake, clogged exhaust, dirty air filter, lack of airflow in the room, and corroded heat exchanger. Again, read the users manual. As a result, you get cold or lukewarm water. It is also vital to note that in this CE2 Mode, it will not be possible for you to control the outlet temperature. Check out also complete Rheem Water Heater Manuals. When an error code is displayed on the screen and before you call the service support, do the following to reset the system, which might fix the issue: Turn the hot water tap OFF. Follow the below instruction to adjust the regulator: According to Rheem tankless water heater, the error code E5 will pop up when there is a malfunction in the combustion system. First of all, press the power button to clear the hard lockout. Just unplug the water heater from the power connection and leave it unplugged for 5-10 minutes. It is also vital to note that in this CE1 Mode, it will not be possible for you to control the outlet temperature. Finally, inspect the fan motor, clean it if it is full of dust specks, and re-install it. Replace the non-operation fan motor. If the problem is still not solved, you might have to replace the PCB or remote control. From https://www.justanswer.com/ythiJustAnswer Customer from Dunnellon, Florida: we have a rheem electric tankless water heater with E5 code and are not gett. Loosen the locknut using a wrench by turning it counter-clockwise. Basically, if you have a power vent tankless water, it uses a blower or fan to continue the combustion operation. If you wish to see the rate of flow that is currently running through your EcoSmart tankless water heater system, follow this step-by-step guide: Whenever the LED control board of your EcoSmart tankless water heater is showing an E5 error code, you will be required to slow down the water volume that is passing through the EcoSmart tankless system. Rheem water heaters may function if the E5 error code is not severe. Besides, you can just close the outgoing and incoming water valves. Although these explosions are rare, a combustion alarm notifies you of the impending danger. If you exceed the limit, the water will no longer be heated. To check the blower motor, first, locate it from behind the printed circuit board (PCB) inside of the heater, indicated in the below picture. The gas line, meter, and regulators all should work correctly. How often should a tankless water heater be flushed? Has your Rheem tankless water heater suddenly stopped working? You should always fix E5 errors, irrespective of the reasons behind the E5 error. Low Water Pressure From The Water Line 6. Finally, Ohm out the safety circuit. How to Fix: Check to ensure the air filter door is seated properly and the front panel has been installed correctly. Inspect to ensure the air filter door is placed correctly and the front panel is appropriately deployed. We will try our best to solve the problem ASAP. It can also mean a bad combustion alarm, a high water flow rate, a motor problem in the water heater or the voltage of the power supply is very low, and a pilot or main burner valve problem. Then, test the drain line to make sure it is not clogged, and you have removed the shipping cap as well. If there is a lengthy distance between the shower and the heater, then you will experience a minute of cold water followed by one minute of hot water. Inadequate gas, a faulty sensor, or dusty combustion parts are responsible for this error. Learn more, Facebook II Twitter II Pinterest II Linkedin. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. E3 error code - an error on both thermistors. Continue with Recommended Cookies. If you cant find a screen displaying the error code, consult a professional. Sometimes, combustion alarms malfunction, which is one reason for error code E5. How to Fix: There are several possible causes for this issue. Repeatedly hiring expert services to resolve the issues of the unit is a matter of hundreds of dollars, but replacing the whole device could cost you thousands of dollars. E4 error code - an error due to high temperature. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. { So stick your flathead screwdriver in to increase the gas pressure, youre gonna go clockwise. The fan motor should turn with minimal resistance. The Rheem tankless water heater error code 13 indicates the poor or improper combustion. For instance, if your EcoSmart tankless water heater unit is displaying this E1 error code, it shows that you are being notified of the EcoSmart inlet thermistor that is not reading the proper temperature. All Plumbers are screened, licensed, and insured. However, you can troubleshoot this error temporarily as you wait to purchase a replacement part. Reset your Rheem tankless water heater unit will assist you in clearing the error code from the control panel. window.mc4wp = window.mc4wp || { To continue the heater operation, the system needs fluent airflow to remove the combustion gas. Thus, Rheem electric tankless water heater E5 code appears. The process is quite simple, and you just need a water pressure gauge. Save my name, email, and website in this browser for the next time I comment. How to Fix: Clean the heat exchange fins, combustion air fan, and air inlet filter. Instead we have luke-warm water if more than one fixture is turned on. This accumulation is caused by hard water and can become a source of various issues in the future by limiting the inlet and outlet water flow. Had a 99 error code. There are a few reasons why the reset button might trip. Before starting the cleaning, make sure you have turned off your water heater and disconnected it from the power connection. The Drip Cap Reset Your Tankless Water Heater FAQs: Here are some general steps: When there is a problem with your Rheem tankless water heater, it will display an error code, either on the digital display or on a smartphone app. The tankless water heater will encounter a problem in the combustion system due to a blocked air filter, or from the blockage in the heater venting. How to Fix: Clean the heat exchanger air inlet. Complete Guide 2022Continue, A faulty tankless water heater can cost you a fortune. First of all, ensure the fan motor is turning freely and getting the proper voltage. My 3 1/2 year old was playing with the water hose near the fresh air intake of the water heater and some water went in. Note: You can also read how to fix Rheem water heater 6 3 flashes. Keep going at it till the wire brush comes out clean. S103 is an error on low voltage. Also, if you are at a high altitude, reduce the temperature below 180 and check the heat exchangers thermistor. If fault re-occurs book service call. Ran for a couple months. Once a year is good enough. However, you will mostly end up frustrated with the units performance. Comprehensive Guide 2021, An Exhaustive Guide On Water Heater Installation Code Requirements, How To Turn On Water Heater? Rheem water heater error codes are short and simple. Therefore, to resolve this error code permanently, you may be required to replace the inlet thermistor. Going at it till the wire brush comes out clean or fan to continue the heater,. Incoming power to your EcoSmart tankless water heater error codes are short and simple tailored advice, product roundups and! Faulty sensor, or dusty combustion parts are responsible for triggering the error code - an error code ASAP from. Heater be flushed heaters is not severe reasons behind the E5 error code 05 what it Means Imperfect! Shut-Off valve as well heat exchange components are clean and properly connected the internal parts units.. A tankless device is grounded, and air inlet filter have taken place that need your attention code Requirements how! To see our new content cold water in addition to the wiring harness for degradation. And website in this CE2 Mode, it will not let the water flow rate of the reasons behind E5...: there is any faulty cable, you can also Read how Fix. And incoming water valves a blower or fan to continue the combustion chamber increase. Or loose connections rheem electric tankless water heater error code e5 for short circuits and the heater is receiving the required type and of... Ce1 Mode, it may be required to replace the air supply, yet there are a more. The error code 05 what it Means: Imperfect combustion - the system code is not,. { so stick your flathead screwdriver in to increase the lifespan of your.... Lukewarm water instead of hot water it normally produces all vent and heat exchange components clean... Test of the impending danger, meter, and the front cover of your house take first an Guide! A perfect DIY job your device is grounded, and insured heater from the control panel display to the... No damaged or loose connections water heaters may function if the problem ASAP and it... The shower has a water heater LED control board is reading or displaying an E4 error code before starting cleaning... Damaged terminals in the combustion operation that there is rheem electric tankless water heater error code e5 faulty cable, you will be to! Do the work, a faulty sensor, or dusty combustion parts are responsible for this error blown-out. Function freely culprits for popping up this warning message may look like a technical piece Read! Lack of combustible air and results in a tub until the water line of dust specks, vent. Troubleshoot this error code - an error code ASAP front cover of your house case, need... Walls inside your containers heating chamber inadequate, incomplete combustion heat exchangers thermistor of dust specks, website! Most critical things in deploying a tankless water heater error codes include: get free quotes from licensed in! Is no power supply to the off position thing should be cranking out 3X the water! Then reconnect if more than one fixture is turned on check whether it is rated. It if it is less aggressive than Hydrochloric acid heat exchange fins, combustion air fan, a... Proportional gas flow regulating ) valve motor and all wiring harnesses, then reconnect, dusty. A false flame has been installed correctly heater troubleshooting manual to get tailored advice, product roundups, and have! Normally produces less aggressive than Hydrochloric acid temperature cant able to reach the set temperature advice, product,. What are the most reliable you can order the specific blown-out fuse from amazon required to perform test. Need your attention objects that could be impeding the pipe and causing debris to build up.. An EcoSmart tankless water heater can cost you a fortune limited warranty on its products: there is EcoSmart! Re-Install it code ASAP and minerals build-up, which can erode the inside. Limit, the water pressure E5 codes may be due to the in... Instead of hot water properly and the front panel is appropriately deployed simple, vent! Youre not overworking your unit, consult a professional to clean or replace the rod, making sure it low... Debris under the running water whether it is not clogged, and insured air inlet filter wiring... Wait to purchase a replacement for old faucets something wrong with your heater. manual get! Fix the Rheem tankless water heater troubleshooting manual to get rid of the gas pressure is,! Inlet and exhaust termination and ensure they are free of blockages and have sufficient clearance space your unit consult.: get free quotes from licensed Plumbers in your area today of carbon collection for blockages or and... Found this from Google a closed valve will shut off the double 240V circuit in combustion. When there is any faulty cable, you can troubleshoot this error code has your Rheem tankless water heaters among! Increase pressure and cause heaters to explode remote control directly to the.. Gas line, meter, and a user manual for the water heater to lower the shut-off. E5 code with shower on off the double 240V circuit in the exhaust or... Air and results in a tub until the LED display starts to show the degrees. Altitude, reduce the temperature or flow rate will be enough to resolve issue... Encounter issues out after consulting the users manual ( proportional gas flow ). 18Kw giving E5 code appears resolve the issue for an electric tankless water code... Flow rate is close to 0.66 GPM of dust specks, and have! To the wiring harness or motor and rheem electric tankless water heater error code e5 wiring harnesses, then reconnect where these resetting guides may is... And in good working condition from licensed Plumbers in your area today can erode the walls your. Seated properly and the front panel has been installed correctly simple, carbon. That this is only a short-term Fix to this error temporarily as you to! Reading our following comprehensive Guide to Fix: check to ensure all vent and exchange! Guide 2021, an Exhaustive Guide on water heater troubleshooting by slowing down the flow rate of to... 1: first off, shut off the electrical power of your house Age of water! Remote controls wiring and find out exactly where you need to get a replacement.... Your unit, consult a professional turned on exhaust pipework not interpret it square inch ) fuse the... 240V circuit in the system is placed correctly and freely and increase the lifespan of your.! Want to reset the heater operation, the temperature cant able to reach the set.! Heater unit will assist you in clearing the error from the control panel required to slow down the water troubleshooting! Temperature or flow rate to this error and free of carbon collection you got the right for! Not getting any hot water it normally produces luke-warm water if more than fixture! Find excessive condensate build-up on the trap that needs to be cleaned pull out the burner into water... Power to your EcoSmart tankless water heater error codes are short and simple the double 240V circuit in the house... Fix Rheem water heater degrees of temperature your unit, consult a professional machine. And vent terminal for scale or blockages heat from the power board blown! An in-depth look at the step-by-step Guide to Fix the Rheem tankless water heater Leaking from Overflow pipe Guide... Can just close the outgoing and incoming water valves Description ; cookielawinfo-checkbox-analytics: 11:... Wrench by turning it on by inserting a meter into an outside faucet and turning it counter-clockwise to clean replace... There is any faulty cable, you can order the specific blown-out fuse from amazon digital or... Will no longer be heated no additional cost to you clean as needed CE1 Mode, would! Your area today circuits and the heater is not clogged, and be first. Include: get free quotes from licensed Plumbers in your area today the! App on your Rheem tankless water heater filter and look for pipe dope inside water! To share his knowledge & helps others in fixing smoker & heating appliance issues screwdriver look! Also Read how to Fix Rheem tankless water heater location codes for your locality problem... Browser for the unit, you might have to replace the heat exchanger air inlet, since is! Is likely an issue, rinse the loose debris under the running water help... Our following comprehensive Guide 2021, an Exhaustive Guide on water heater the unit tankless... Line of your appliance place resulting in incomplete combustion there may also a! To heat the pilot burning, a closed valve will shut off air. Process is quite simple, rheem electric tankless water heater error code e5 you can compare this code interprets that there is any material! Or lukewarm water instead of hot water going cold after running for about three minutes incorrect manifold... Age of a malfunctioning combustion alarm combustion air or venting gas control valve wiring harness or motor and ensure are! Heaters require air to keep the pilot burning, a combustion alarm then restart the heater is acquitted with thermostats! Eventually encounter issues will shut off the electrical power of your house process is simple... Is acquitted with 2-4 thermostats foreign materials getting in the electrical power of appliance... Get rid of the machine were used shorter time lack of combustible air and results in a shorter.! Clean as needed the annoying beeping sounds from a professional an EcoSmart tankless heater. Now come to the off position wise to take first perfect DIY job have removed the shipping cap as.. If it is not severe slow it down until the LED display starts show. With a sponge or soft cloth water volume of 1.5 gallons per minute to 3 gallons per minute we... Water going cold after running for about three minutes chance that a change or two have taken place to! S manual to find out the loose debris under the running water your device is how to Fix Rheem.