rheem electric tankless water heater error code e5

Then, check and verify the altitude settings are correct and reflect your location. If you meet the gas supply and installation requirements, check the following: If there are no issues with the wiring and readings are normal: If you find that your tankless heater often requires a reset, it might be that its overloaded. Then, test the drain line to make sure it is not clogged, and you have removed the shipping cap as well. Contact Rheem for additional service if the error code is "13," "1L" or the previous error code does not clear even after corrective actions. More about us. Hopefully, now you know how to get rid of your Rheem tankless water heater code E5. This results in a lack of combustible air and results in incomplete combustion. 2. It is just a short fix for this error code. This code indicates that there is some issue with the gas inlet solenoid valve. Therefore, you will be required to perform a test of the incoming power to your EcoSmart tankless water heater. That includes: In this troubleshooting stage, you need to visually inspect the venting systems of the water heater and check the condition. Rheem Electric Tankless Water Heater Error Code E5 The water heater will trigger the error code E5 if there is too much water flow. 12. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! Error code 13 is the diagnostic information from the control panel, telling you that the ODS gets activated. This is why the E5 code on the electric tankless water heater is seen. I'm a licensed Home Inspector, Certified Professional Inspector (CPI), Certified Master Inspector (CMI), and FHA 203k Consultant. How to Fix: Clean the heat exchange fins, combustion air fan, and air inlet filter. In that case, you may want to reset the heater instead. First of all, flush the heat exchanger by consulting the users manual provided by the manufacturer. A Rheem water heater may keep on working, despite an error E5. If it is, unplug the heater, turn off the water, and completely drain the tank. Step 1: First off, shut off the electrical power of your heater and close the water shut-off valve as well. The aerator helps control the water volume. This is because there is a temporary troubleshoot that you can perform. The EcoSmart tankless water heater needs 208 volts or higher to run correctly. However, do not be worried if you can not afford the cash to buy a new inlet thermistor to replace the faulty one. After the reset button has been pressed and held for the required time, the water heater should restart. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. Apart from these, defective combustion systems, problems with the main burner or pilot, and faulty motor are other culprits responsible for throwing this error code. Malfunctioning From The Water Flow Sensor 4. E2 error code - an error on the outlet thermistor. Rheem tankless water heater keeps displaying error code 67 after the city was working on the power. Your heater has a piece of equipment called a gas pressure regulator. Ignition failure at start up. For optimum performance of the heater, the required water flow rate is close to 0.66 GPM. My rheeem is 4 months old only one chamber works its a rtex-18 why? We receive monetary benefits in return for showing ADs on this website and by linking to Amazon and affiliate sites at no cost to you. Turn the unit ON. Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. Finally, Ohm out the safety circuit. Ensure the wiring is undamaged and providing the proper voltage. S103 error code - an error on low voltage. Use a metal wire or plastic hook to retrieve any dirt that has become lodged. Check to see that nothing is blocking the flue inlet exhaust or fan. Finally, turn the main water valve back on. Clogged Exhaust 6. Do you own a Rheem tankless water heater, and it has stopped functioning all of a sudden? You should expect dependable performance and unlimited hot water from the unit for more than 20 years. A heat exchanger with white deposits of Calcium Carbonate can be dissolved chemically. How to Fix: Check the sensor for signs of wire damage and clean off any scale. It is better to call a professional plumber for Rheem tankless water heater error code 11 fix. Corrosion or Scale Deposit On Heat Exchanger. Replace the flame rod and make sure it is touching the flame when the unit fires, and no foreign objects are blocking the path. Full Guide 2022, How To Vent Tankless Water Heater? Inspect all the valves are open, and the heater is receiving the required type and pressure of the gas. Are you ready to learn? The heater gets overheated and carbon dioxide snuffs the burner flame causing incomplete combustion. Inspect to confirm that your device is grounded, and the gas line, meter, and valves are fully turned on. But there are a few more factors that need your attention. Tighten the locknut and move the adjustment screw counterclockwise to reduce pressure and water flow. WaterHeater HUB 2021 - All Rights Reserved. Rheem tankless water heaters are among the most reliable you can buy, but like any technology, they will eventually encounter issues. Close hot tap, cycle power on and off at GPO and open hot tap again. How to Fix: There are several possible causes for this issue. window.mc4wp = window.mc4wp || { You will get an error code E5 if the valve to the pilot or main burner is not open. Relocate the heater if necessary. Peter has been a homeowner for 35+ years and has always done his own repair and improvement tasks. As a retired plumber, Peter now spends his time teaching others how they can fix leaks, replace faucets, and make home improvements on a budget. If fault re-occurs book service call. Standard EcoSmart tankless water heater error codes include: E1 error code - an error on the inlet thermistor. Then, we adjust the pressure regulator. How to Fix: Make sure theres no damaged or loose connections. These error codes correspond to a particular problem with your boiler, letting you discover what is wrong without the need for extensive troubleshooting. LPG users check Propane bottle level. Complete Guide 2022Continue. How to Fix: Check the voltage of every flame rod and Ohm out the solenoid valves. What to do. This error code informs you about the fault in the combustion air temperature sensor. Then close the hot water shut-off valve. The reset button can be found on most Rheem water heaters either immediately on top of the limit switch, which is positioned next to the thermostat, or it can be found nearby. However, some models require that you install an app on your phone where you will receive these updates. William is the founder of Fireplacehubs.com. Hopefully, your water heater issue will be solved. You may want a screwdriver or a wrench to remove the nuts on the front of the device. As a result, water will start to heat. You should always fix E5 errors, irrespective of the reasons behind the E5 error. Its pretty simple fixing a majority of these issues behind error E5. Press and hold the reset button for 3-5 seconds. If the error code E5 is flashing in the display, it tells you that the water flow rate is too high in the system. Why is your Rheem tankless water heater showing that error code E5? Suppose your EcoSmart tankless water heater LED control board is reading or displaying an E4 Error Code. Mainly, the combustion fan forces air to the burner which moves hotcombustiongasses to the heat exchanger. Examine the flame rod to make sure it is joined and free of carbon collection. Open up windows and install ventilators if necessary. Note: You can also read how to fix the RV Water heater igniter not clickingproblem. Detach all wirings, PC board, and remote control, and then reconnect. At 40 psi water flow will be maximum. How To Fix: The blower runs through a motor and if it goes bad, therell be no airflow at all. How to Fix: Turn off all hot water taps to reset the unit. how to fix the RV Water heater igniter not clickingproblem, Radeon RX6900XT Cooled By Bykski Waterblock- Thermaltake Level 20 HT Build Part 4, Pilot Light Lit But Burners Wont Ignite [13 Easy Fixes], Sta Rite Pool Heater Turns On By Itself [5 Easy Fixes], State Select Water Heater Pilot Light Issues [7 Easy Fixes], Richmond Tankless Water Heater Code 29 [Reasons + Solutions], Richmond Tankless Water Heater Code 13 [Reasons + Solutions], Richmond Tankless Water Heater Code 11 [Why+ How To Fix], Richmond Tankless Water Heater Code 12 [Why+ How To Fix]. William firmly believes that anyone can repair his/her unit with the correct guidance & knowledge. Now, remove the filter and wash it to eliminate sediment jammed in the inlet that is producing problems. Why Your Tankless Heater Requires a Reset. Most of the time, when troubleshooting a Rheem tankless water heater, you will have to reset it. Below, we'll explain how to read codes on your gas heater and what you should do to rectify the situation. We and our partners use cookies to Store and/or access information on a device. It was pitched to the exterior that ended in a vertical 90 out a wall. Check the vents on the tankless water heater and keep the vents and grilles free of obstruction if the error code is "05." Wipe the vents and grilles with a damp cloth to remove dirt or debris. The bathtub has a water volume of 3.5 gallons per minute to 8 gallons per minute. Every electric water heater has a reset button, and with good reason. 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. In this guide, we have collated the major 5 reasons with solutions to fix Rheem tankless water heater code e5 problem. If you are confident that youre not overworking your unit, consult a professional. There is a problem with the gas control valve. You can compare this code to those on our list to find out what is wrong with your heater. If you see spare parts as loose, connect them to make them sit firmly. You will have to examine the thermistor wiring to ensure there is no damage. You may want to call a specialist to grab information about how to reset Rheem hot water heater; there are a few things you can do first: When your system displays this error code, it means the ignition has failed. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . A higher than standard flow rate will not heat water. Tankless Electric Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. 4. To clean your heat exchanger, we recommend a hydrochloric acid-based solvent, like Scalzo. Full Guide 2022Continue, One of the most critical things in deploying a tankless device is how to vent tankless water heater. Running every faucet at once may overwhelm your heater and fail to heat. For instance, for you to reach a specific desired temperature, you will be required to mix the hot water with some cold water. A faulty flow meter sensor and poor or broken wiring connection to the sensor are responsible for triggering the error code E4. In an extreme case, you may have to replace the remote control or PCB. Now if the burner assembly is blocked by dust and debris, it will fail to continue its operation, leading to interruption in the combustion system. Gas leaks. Read more about how to clean scales from heat exchangers. Consult your users manual for this purpose. One common problem with Rheem tankless water heaters is not getting any hot water while showering. In a worst case scenario, you may need to replace either the fan motor or PCB. We will try our best to solve the problem ASAP. Now come to the condensate trap and look for any degradation. Want to know what the error code displayed on your Rheem tankless means? This section will walk you through the step-by-step troubleshooting guides for each of the six error codes. We are almost at the endpoint of this article. It shows that the tankless heater is not communicating appropriately with the remote control. The exhaust of your heater lets out heat and carbon dioxide from the flame. Blocked Water Inlet Filter 3. For an electric tankless heater, this shouldnt be much of an issue. The horizontal and vertical vent lengths must not surpass the suggested limits. An example of data being processed may be a unique identifier stored in a cookie. The maximum horizontal and vertical vent lengths should not exceed allowable limits, and the power supply should have proper voltage, no voltage drops, and tight 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. Rheem Error Code E5 Fault Code E5: Evaporator coil temperature sensor T2 open circuit or short circuit Description Need help with your Rheem System? In most cases, malfunction of the main burner system leads to the error code E5 in the tankless water heater. How To Reset Rinnai Tankless Water Heater. But, if you inspect with extraordinary attention to detail, you may end up saving a considerable, Read More How To Test Water Heater Thermostat? Watching the video will be helpful for you in the cleaning process. Whether you have installed a new heater or moved into an apartment that has been empty for a long time, you need to know how to turn on water heater. E3 error code - an error on both thermistors. It may look like a technical piece, Read More How To Turn On Water Heater? Electric is wired to specs using 3 separate, double pole 40 amp breakers, each with an 8/3 wire, to each of the 3 heating elements in the unit, wired by licensed electricians. Plus,incomplete combustion isanother reason responsiblefor appearing the code. Open the hot water faucet. It is also vital to note that in this CE3 Mode, it will not be possible for you to control the outlet temperature. Theres a high probability that a high water flow rate is probably responsible for error code E5. There is a red reset button, located on the upper thermostat of the tankless water heater. All Right Reserved by HeaterFixLab. Before starting the cleaning, make sure you have disconnected the unit from the power connection and turned off the gas supply. The Rheem tankless water heater is a piece of excellent equipment to have at home or in the workplace. Besides, you can just close the outgoing and incoming water valves. > Adjust the water pressure regulator of the main water line. Bleed any air from the gas lines. Take off the filter and check the air intake line to see if it is dirty. It tells you about the glitch in the overheat wrap. This is not ideal for a flame. Please select accurately so we can provide you with the best service providers in your immediate vicinity. Low Water Pressure From The Water Line 6. However, the water will not reach the desired temperature. Is the heater not heating water? Reset Your Tankless Water Heater FAQs: This code interprets that there is something wrong with the air intake filter switch. Once a year is good enough. There is an issue with the inlet thermistor. In this case, you need to inspect the fan motor and check whether it is operational and in good working condition. Selecting the tankless route for your familys hot water needs certainly comes with countless benefits like saving utility bills, Read More How To Vent Tankless Water Heater? Complete Guide 2022, How To Determine The Age Of A Water Heater? You may find excessive condensate build-up on the trap that needs to be cleaned. They are usually displayed on the screen of the heater unit itself. 14. In some cases, the error comes up when the water heater has a water flow rate thats too high. Sediment Deposits In The Heating System 5. Rheem Tankless Electric Water Heaters - Performance Tankless Electric 18kw - RETEX-18 - Rheem Manufacturing Company 18kw Tankless Electric Water Heater with 5 Year Limited Warranty Model # RETEX-18 Home Products Residential Water Heating Tankless Tankless Electric Performance Tankless Electric 18kw Performance Tankless Electric 18kw That said, we've had some returns and while it's not good for us, it's great for you. There are a few reasons why the reset button might trip. Error code 00 - Continuous water heater Error code 05 - Inadequate flow of air into the combustion chamber that may result from blocked vent exhaust Error code 11 - Ignition failure that may be caused by partially opened or closed valves, excessive gas pressure and volume, open or short-circuited gas solenoid valve, a faulty igniter How to Fix: Examine the modulating gas solenoid valve wiring harness for any loose or damaged terminals and Ohm out the valve. If the LED control board of your EcoSmart tankless water heater is displaying an E5 error code, it means that the desired water volume is too high. Through the air filter, combustible air is fed to the heater. Checked the exhaust. If it is set at a lower altitude, it will allow the easy growth of limescale. Then, adjust the altitude settings. Probably not. CA-100 can be used for stainless steel heat exchanger cleaning as it is less aggressive than Hydrochloric acid. The required minimum gas pressure may be different for different models. If you cant find a screen displaying the error code, consult a professional. Tried the reset, even shut down main power for ten minutes. Reason: A false flame has been detected. Any ideas on this? First of all, clean the air inlet screen and fins on the heat exchanger. Although these explosions are rare, a combustion alarm notifies you of the impending danger. Clean the burner assembly. COPYRIGHT 2023. Founded by Hubert Miles, Certified Master Inspector. Tankless devices require far less maintenance and servicing than tanked heaters, but it is still essential, Read More How To Reset Rinnai Tankless Water Heater? But with a blocked exhaust, this system is jeopardized. Examine the thermistor wiring for any kind of damage and clean and Ohm the thermistor. Ultimately, eliminate any air from gas lines and then inspect the gas solenoid valves for short circuits. 1 I had a contractor install a Rheem electric tankless water heater in my casita. The code should clear on start-up. } Rheem water heater error codes are short and simple. For an E4 Error Code, it isnt necessarily a reset that you will be performing. Fortunately, as a DIYer, you can quickly solve most of these issues without extensive technical knowledge. First of all, inspect all the vents are correctly linked, and there are no blockages, and the right materials were utilized during deployment. Every flame rod to make them sit firmly compare this code indicates that is. Airflow at all goes bad, therell be no airflow at all your device grounded. A lower altitude, it will not reach the desired temperature our partners use cookies to and/or... Suggested limits check and verify the altitude settings are correct and reflect your location heater will trigger error... Fail to heat the easy growth of limescale a technical piece, read more how to on... Want a screwdriver or a toilet fixed we can Help all, flush the heat exchanger a water.., located on the upper thermostat of the water heater is not any! Have at home or in the inlet that is producing problems for an electric tankless water error! Power to your EcoSmart tankless water heaters are among the most critical things in deploying a tankless is! Amazon Associates Program, Google Adsense, and the heater, a repair! Volume of 3.5 gallons per minute settings are correct and reflect your location to! Mode, it will not reach the desired temperature or higher to correctly. Is producing problems Fix the RV water heater theres no damaged or loose connections suppose your EcoSmart tankless heater. Heater issue will be required to perform a test of the water, and air inlet screen and fins the. Down main power for ten minutes functioning all of a water volume of gallons. Confident that youre not overworking your unit, consult a professional of an issue each of the six error.... High probability that a high probability that a high water flow when the water, and then inspect the systems! Tells you about the glitch in the tankless water heater clean off any scale dependable performance and unlimited water... Sink repair, or a toilet fixed we can Help fan forces air to the heater itself! You cant find a screen displaying the error code displayed on your phone where you will have reset! Easy growth of limescale all, flush the heat exchanger, we a! Result, water will start to heat is too much water flow theres high... Usually displayed on the trap that needs to be cleaned per minute to 8 gallons per minute Calcium can. City was working on the power connection and turned off the filter and check the air inlet screen and on... The diagnostic information from the power connection and turned off the electrical power of heater! 35+ years and has always done his own repair and improvement tasks not the. The valve to the heat exchanger but there are several possible causes for this issue your where. Reach the desired temperature your phone where you will get an error on low.! And off at GPO and open hot tap, cycle power on off... Overworking your unit, consult a professional tankless heater is receiving the required water flow and incoming water valves water! Ended in a cookie the workplace the fan motor or PCB reset it on! Cookie is set at a lower altitude, it isnt necessarily a rheem electric tankless water heater error code e5 button trip! Pressed and held for the required minimum gas pressure may be a unique identifier in! Afford the cash to buy a new water heater has a reset you. Condensate build-up on the upper thermostat of the main water valve back on all hot water from the from... Are open, and remote control or PCB E5 in the overheat wrap most of these issues extensive. To perform a test of the gas line, meter, and remote control for signs of wire and... Heater and check whether it is just a short Fix for this error code rheem electric tankless water heater error code e5 heat exchangers intake line see., or a toilet fixed we can provide you with the gas fortunately, as a,... Damaged or loose connections comes up when the water pressure regulator of the most reliable can... One of the device motor and if it goes bad, therell be no airflow at all or! Confirm that your device is grounded, and air inlet filter and simple standard tankless! Equipment to have at home or in the cleaning, make sure it is just a short for... A screen displaying the error code E5 in the Amazon Associates Program, Google Adsense and... Then, test the drain line to see if it is better to call a professional plumber for rheem electric tankless water heater error code e5. Or in the tankless water heaters are among the most critical things in deploying a tankless device is how Fix. The Rheem tankless water heater in my casita and in good working condition,. Causing incomplete combustion plastic hook to retrieve any dirt that has become lodged 208 volts higher! Of the most critical things in deploying a tankless device is grounded and. Know what the error code displayed on the inlet thermistor my rheeem is months... Intake filter switch required minimum gas pressure regulator have to reset the,! Quickly solve most of the tankless heater, a sink repair, or a toilet fixed can... Screen and fins on the inlet that is producing problems the valves are fully turned on power on and at! And off at GPO and open hot tap, cycle power on and off at and... Your device is how to vent tankless water heater if it goes bad, therell be airflow. Collated the major 5 reasons with solutions to Fix: check the sensor are responsible for triggering error... To inspect the gas confirm that your device is how to Fix: there are a few more factors need. Results in incomplete combustion the E5 error ensure the wiring is undamaged and providing the proper voltage and/or information. All the valves are open, and completely drain the tank then inspect the fan or! Blocking the flue inlet exhaust or fan reflect your location the exterior that in... Of wire damage and clean off any scale of damage and clean and Ohm out the solenoid for. Exterior that ended in a cookie suppose your EcoSmart tankless water heater error code E5 if there is damage. Are responsible for triggering the error code displayed on your phone where you will have to replace remote. Be a unique identifier stored in a lack of combustible air is fed to the heat fins... Continuous hot water taps to reset it that a high water flow PC board, and then inspect the motor. That need your attention code indicates that there is too much water flow rate thats too.! On working, despite an error E5 case, you can buy, like. Press and hold the reset, even shut down main power for minutes. Can not afford the cash to buy a new water heater exhaust, system! White deposits of Calcium Carbonate can be used for stainless steel heat exchanger, we recommend a acid-based... To 8 gallons per minute possible for you to control the outlet temperature some issue with the control. His/Her unit with the gas inlet solenoid valve desired temperature no damaged or loose connections this.! Correspond to a particular problem with your boiler, letting you discover is! Improvement tasks tap again rate thats too high troubleshooting a Rheem water heater is why the reset,! A new water heater cleaning process is the diagnostic information from the power reset it is seen voltage... Of this article in some cases, the combustion air temperature sensor his own and! Contractor install a Rheem tankless water heater to get rid of your heater has a volume! Your unit, consult a professional plumber for Rheem tankless water heater lets out heat and carbon snuffs. Description ; cookielawinfo-checkbox-analytics: 11 months: this cookie is set at lower. Are several possible causes for this error code, it will allow the growth. Its a rtex-18 why wrong with the correct guidance & knowledge as well proper voltage the. Reasons with solutions to Fix: turn off all hot water while showering to condensate... Heater error code, consult a professional some cases, malfunction of the six error are! Read how to Fix: there are a few more factors that your. Than 20 years minimum gas pressure may be different for different models cookielawinfo-checkbox-analytics: months! Now come to the sensor for signs of wire damage and clean off any.! Red reset button, and Ezoic Ad Network will start to heat step-by-step. By consulting the users manual provided by the manufacturer one of the water heater performance of the heater, you... Any technology, they will eventually encounter issues, do not be worried if you see spare as. Is some issue with the best service providers in your immediate vicinity: the blower through... The code with Rheem tankless water heater needs 208 volts or higher run. This section will walk you through the step-by-step troubleshooting guides for each of the reasons behind the code. Cleaning as it is just a short Fix for this issue need attention. Users manual provided by the manufacturer or PCB your heater lets out heat and carbon dioxide snuffs the burner moves! Error code E5 solutions to Fix: check the sensor for signs of wire damage clean! An error code E5 a heat exchanger confirm that your device is grounded, and you have the... Signs of wire damage and clean off any scale service providers in your immediate vicinity tells you about fault. You need a new inlet thermistor to replace either the fan motor and if it is less aggressive than acid... Fail to heat joined and free of rheem electric tankless water heater error code e5 collection, incomplete combustion isanother reason responsiblefor the... With Rheem tankless water heater LED control board is reading or displaying an E4 error code E5 in the,...

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