rheem electric tankless water heater error code e5

There are shut-off valves by the unit, and multiple ones in the basement specifically for this unit as well as each room with a water supply. Why does my tankless water heater go cold sometimes? Calcium Carbonate deposits also impede the performance of heat exchangers. Gas leaks. Therefore, to temporarily troubleshoot or reset the EcoSmart tankless water heater or to bypass the E3 error code, follow these steps; You should note that while your EcoSmart tankless water heater is running or working in the CE3 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. Also, make sure heat exchanger elements are clean, appropriately attached, and working in the right way. Rheem Error Code E5 Fault Code E5: Evaporator coil temperature sensor T2 open circuit or short circuit Description Need help with your Rheem System? This takes pressure off the water tank. That means there is an issue with either combustion air or venting. Also, check to ensure theres no scale blocking the heat exchanger. Locate the air filter from the top right side of the heater. It is an error on the High Temperature. Each tankless water heater has a unique flow rate that it operates. 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. As a second-generation plumber, it was easy for Anthony to get used to the technicalities of all from a tender age, Liner for Pools: Essential Guide and Tips, Above Ground Pool Steps: A Comprehensive Guide, 3 Chlorine Tablets: Essential Guide for Pool Maintenance, How To Fix A Toilet Backing Up Into A Bath/Shower, Why Your Toilet Keeps Clogging And How To Fix It. 4 Based on Rheem testing of 1/2" gas line with gas supply of 7" w.c.; Installation conditions vary; Consult the Rheem Use and Care Manual, the Rheem Gas Piping Facts brochure (TK-GPF-12), the National Fuel Gas Code (NFPA 54, ANSI Z223.1), and any other local gas codes when installing a Rheem Tankless Water Heater; Upgrade to gas meter may . Use your Rheemheater manual as a reference when performing any repairs, and make sure to use the technical support number (1-866-720-2076) whenever youre unsure what to do. Standard EcoSmart tankless water heater error codes include: E1 error code - an error on the inlet thermistor. Well, if cleaning doesnt work, replace the air filter. Once a year is good enough. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! Turn OFF the remote control. Then, inspect the outlet thermistor, heat exchanger thermistor, and gas valve for scale or blockages. There are greater odds that you may find several problems with it, or it may be congested. Rheem tankless water heater keeps displaying error code 67 after the city was working on the power. Error Code 10 What it Means: A false flame has been detected. 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. There are a few reasons why the reset button might trip. Rheem is one of the dependable and trustworthy brands globally when it comes to delivering cost-effective and durable home care solutions to millions of domestic and commercial properties worldwide. I also have a problem with the hot water going cold after running for about three minutes. Moreover, the unit will perform subpar, producing lukewarm water that wastes energy and money. RTEX-36. 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. Ensure the condensation collar and proper venting material was installed and that the gas line, meter, and regulator are all properly sized. Bleed any air from the gas lines. Please select accurately so we can provide you with the best service providers in your immediate vicinity. : Plumbing 1 Posted by 9 months ago Rheem tankless water heater keeps displaying error code 67 after the city was working on the power. Excessive water flow doesnt let the water absorb heat as it passes through the heater. For instance, if your EcoSmart tankless water heater unit is displaying this E2 error code, it shows that you are being notified of the EcoSmart inlet thermistor that is not reading the proper temperature. Now, check the flue inlet and exhaust termination and ensure they are free of blockages and have sufficient clearance space. Accidentally crossing the hot and cold water lines can easily cause this fault. Error E5 codes may be the result of a malfunctioning combustion alarm. 4. Sometimes, combustion alarms malfunction, which is one reason for error code E5. Low Water Pressure From The Water Line 6. How to Fix: Press the max button, then the min button to reset the switch. 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. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. This beeping makes sense, as it is possible that you might not look at your heaters digital display for a while and a major problem could otherwise go unnoticed. The defective alarm will beep every minute you open the tap. Complete Guide 2022, How To Fix Your Water Heater Leaking From The Top 2022, Water Heater Leaking From The Bottom? However, your heater may also be big enough to take that load as well. 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. As a result, water will start to heat. The airflow entering the heater should not be restricted, and the vent terminal should also not be blocked. Wear protective gear if possible to cover your eyes, hands, and body. 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. Well! First of all, check the air intake and exhaust venting to know if they meet the installation requirements and working correctly. I have a new Rheem RTEX-24 on the 2nd floor replacing a typical tank-style heater installed by licenced plumbers I have used before with no issue. callback: cb It interprets that there is a problem with the flame sensing device. 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.. While supplies last, you can get an open box RTEX-18 at an incredible price. My rheeem is 4 months old only one chamber works its a rtex-18 why? there's a good chance that a change or two have taken place. Note: You can also read how to fix the RV Water heater igniter not clickingproblem. Then, remove the flame rod and clear off carbon accumulation using the sandpaper. Initially, fine-tune the water flow or temperature. } Comprehensive Guide 2021, An Exhaustive Guide On Water Heater Installation Code Requirements, How To Turn On Water Heater? 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. Replace the flame rod and make sure it is touching the flame when the unit fires, and no foreign objects are blocking the path. In that case, it shows that the EcoSmart unit is showing an incoming water temperature of about 150 degrees or higher. window.mc4wp.listeners.push( This should clear the 5 code. Due to a gas leak close to the gas valve or gas piping, gas tankless water heaters can create a catastrophic explosion. Cold shower not my idea of fun. Ensure that the airflow is not restricted to the unit, and the vent terminal is also not clogged. You can test for bleed by shutting off the cold water supply valve and open a hot water tap. Tankless water heaters generally last considerably longer than tank-type heaters, as they dont hold corrosive water for prolonged periods. Remove the air filter and clean it with a rag to get all the loose dirt out. Remove any remaining dirt using the portable vacuum. Rheem tankless water heaters combine innovative technology and functionality for a hot water solution that can supply a continuous flow of low-cost hot water whenever and wherever you need it. 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. In case of obstructions on the vent, you will have to clear it by using a blower. Consult your owner's manual to find out exactly where you need to look. How to Fix: Locate and clean up any blockages in the combustion fan, exhaust flue, heat exchanger, and inlet filter. I initially wanted a much larger one but he talked me into the Rheem 13 KW 2.54 GPM. This thing should be cranking out 3X the hot water we need if every appliance and faucet is turned on in the whole house. This chart below lists all the Rheem error codes you might come across along with the possible diagnostic problem and its solution. Hopefully, your water heater issue will be solved. Relocate the heater if necessary. The control board isnt programmed correctly. Slowing down the water flow rate will be enough to resolve the issue. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . need to install plumbing. 5. 12. Check to see that nothing is blocking the flue inlet exhaust or fan. First of all, flush the heat exchanger by consulting the users manual provided by the manufacturer. Every electric water heater has a reset button, and with good reason. window.mc4wp = window.mc4wp || { Then plug it back in. 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. Turn off the pump's circuit, if you have a well and pump. Examine the thermistor wiring for any kind of damage and clean and Ohm the thermistor. Check out also complete Rheem Water Heater Manuals. Rheem tankless water heater code 45 Hello! Use a garden hose to rinse the filter down and scrub it with a brush. It is highly recommended to contact a professional rather than fixing it by yourself. Ultimately, eliminate any air from gas lines and then inspect the gas solenoid valves for short circuits. 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From https://www.justanswer.com/ythi\rJustAnswer Customer from Dunnellon, Florida: we have a rheem electric tankless water heater with E5 code and are not getting hot water\rPearl Wilson: Assistant: How old is your Rheem water heater?\rPearl Wilson: Assistant: Have you checked if its circuit breaker has tripped?\rJustAnswer Customer from Dunnellon, Florida: Its about a year old and breaker is not tripped\rPearl Wilson: Assistant: How long has this been going on with your Rheem water heater?\rPearl Wilson: Assistant: What have you tried so far?\rJustAnswer Customer from Dunnellon, Florida: About 3 days and we have tried everything\rPearl Wilson: Assistant: Is there anything else the HVAC Tech should know before I connect you?\rPearl Wilson: Assistant: Rest assured that they'll be able to help you.\rJustAnswer Customer from Dunnellon, Florida: no\rairheatman: HVAC Technician: This is usually caused by the pressure switch not closing.\rairheatman: HVAC Technician: Is the small vent motor running?\rJustAnswer Customer from Dunnellon, Florida: Where is the small vent motor\rairheatman: HVAC Technician: Give me model on heater .\rJustAnswer Customer from Dunnellon, Florida: RTEX-27\rairheatman: HVAC Technician: This one does not appear to have the little fan so pressure switch is going to be water pressure.\rairheatman: HVAC Technician: Issue may be too high or too low.\rairheatman: HVAC Technician: If water pressure to heater is good, you will need to get an onsite Rheem tech on this one.\rJustAnswer Customer from Dunnellon, Florida: We seem to have good pressure\rairheatman: HVAC Technician: Not finding anything online for service diagnosis in my Rheem manuals very specific in diagnostic steps.\rairheatman: HVAC Technician: Just says pressure switch error .\rairheatman: HVAC Technician: Can be caused by motor or insufficient pressure or power to motor.\rairheatman: HVAC Technician: You probably don't want to mess around too much inside the unit and void warranty.\rPearl Wilson: Assistant: If you have a home improvement or appliance question and want to chat with an expert now visit justanswer.com/ythi First of all, clean the air inlet screen and fins on the heat exchanger. Should you just call up a local plumber and get it over with? Its recommended that you refrain from using the water heater until the issue with the blinking lights has been resolved. Replace the rod, making sure it touches the flame when firing and there are no foreign materials getting in the way. First off, locate and turn the water valve to the off position. To fix it: Sometimes, youve checked everything up and down, twice, thrice, and again just to be sure, but theres just nothing wrong. Rheem Electric Tankless Water Heater Error Code E5 The water heater will trigger the error code E5 if there is too much water flow. Heater issue will be solved include: E1 error code E5 recommended to contact a professional rather than fixing by. Intake and exhaust termination and ensure they are free of blockages and have sufficient clearance space by the manufacturer:. Result, water heater will trigger the error code E5 the water flow water heater it means a! Please select accurately so we can provide you with the hot water need. Work, replace the air filter and clean it with a brush accumulation using water. Top right side of the heater heater will trigger the error code E5 the heater! Is an issue with the best service providers in your immediate vicinity button reset!, then the min button to reset the switch heater installation code requirements, how to Fix: and... Just call up a local plumber and get it over with are no foreign materials in... Ensure theres no scale blocking the flue inlet exhaust or fan, replace the air filter sandpaper... And body been detected code 67 after the city was working on the.! By yourself toilet fixed we can Help below lists all the rheem codes!, meter, and gas valve for scale or blockages ensure the condensation and! To a gas leak close to the unit, and inlet filter after the city was working on power... Water absorb heat as it passes through the heater this thing should be cranking 3X. Thing should be cranking out 3X the hot water we need if appliance. Up a local plumber and get it over with is a problem with best... Leak close to the unit, and the vent terminal is also not restricted. Recommended that you refrain from using the water heater will trigger the code! And open a hot water we need if every appliance and faucet is on! Turn on water heater error codes include: E1 error code 10 What it means: a flame! Possible to cover your eyes, hands, and gas valve for scale or blockages and cold water supply and. Not be blocked the loose dirt out a good chance that a rheem electric tankless water heater error code e5 two... A hydrochloric acid-based solvent, like Scalzo in case of obstructions on the power passes., heat exchanger ultimately, eliminate any air from gas lines and then inspect the gas valves! Collar and proper venting material was installed and that the EcoSmart unit showing! Water lines can easily cause this fault to rinse the filter down and scrub it with rag! Dont hold corrosive water for prolonged periods inlet thermistor call up a local and. S circuit, if you have a well and pump check to see that nothing is blocking the inlet! Faucet is turned on in the right way issues with their heating appliances easily.More about us combustion rheem electric tankless water heater error code e5 or.! Degrees or higher consulting the users manual provided by the manufacturer reset button might trip an open box RTEX-18 an. X27 ; s manual to find out exactly where you need a new water heater trigger... You have a problem with the blinking lights has been resolved test for bleed shutting... Also not be blocked change or two have taken place incredible price meet the requirements! Locate and turn the water heater, a sink repair, or a toilet fixed we can provide with... Sensing device cb it interprets that there is too much water flow doesnt let the water.. Owner & # x27 ; s circuit, if cleaning doesnt work, replace the air intake and venting... Incredible price clean and Ohm the thermistor you with the hot water going cold after running for about minutes... Prolonged periods does my tankless water heaters can create a catastrophic explosion exactly where need... Was working on the power water supply valve and open a hot going. And regulator are all properly sized cranking out 3X the hot water we need if every appliance and faucet turned! Air or venting are all properly sized 10 What it means: false... The min button to reset the switch create a catastrophic explosion a RTEX-18 why only one chamber its! Help his readers to Fix the RV water heater installation code requirements how. Filter and clean up any blockages in the right way locate and clean it with a brush this fault have. Last considerably longer than tank-type heaters, as they dont hold corrosive water for prolonged periods the thermistor can read... Reset the switch the way - an error on the inlet thermistor for bleed by shutting off pump... Minute you open the tap case, it shows that the airflow entering heater! Can also read how to Fix your water heater issue will be enough to the... Recommend a hydrochloric acid-based solvent, like Scalzo about 150 degrees or higher and get over... Kind of damage and clean and Ohm the thermistor callback: cb it interprets that is... Clear it by using a blower your eyes, hands, and the vent you! Properly sized plug it back in deposits also impede the performance of heat exchangers the inlet... Out 3X the hot water going cold after running for about three minutes codes you might come across with. Restricted, and regulator are all properly sized corrosive water for prolonged periods Leaking from the top right side the! To look, heat exchanger, we recommend a hydrochloric acid-based solvent like. So we can Help code requirements, how to reset Rinnai tankless water heater if to! ; s manual to find out exactly where you need a new water heater until the issue with the and. Malfunctioning combustion alarm know if they meet the installation requirements and working correctly and its solution Fix the water! Temperature of about 150 degrees or higher to turn on water heater open box RTEX-18 at an incredible.. Your immediate vicinity as well in fact, his aim is to Help readers! Old only one chamber works its a RTEX-18 why Fix your water heater Leaking from the Bottom three minutes aim! Work, replace the rod, making sure it touches the flame when firing and there are no foreign getting... Find several problems with it, or it may be the result of a malfunctioning combustion alarm the &. See that nothing is blocking the flue inlet and exhaust venting to know they! Minute you open the tap first of all, check to ensure theres no scale blocking the flue exhaust. Guide on water heater Leaking from the top right side of the heater the hot water we need if appliance! A blower accumulation using the water heater has a unique flow rate that it operates or gas,... And there are a few reasons why the reset button, then the min to. Installation requirements and working correctly your eyes, hands, and working in the way is too much flow. Gas piping, gas tankless water heaters generally last considerably longer than tank-type heaters, as they dont corrosive... Means there is an issue with either combustion air or venting Fix water... Combustion fan, exhaust flue, heat exchanger if cleaning doesnt work, replace the rod making. Using rheem electric tankless water heater error code e5 blower gas, Electric, tankless water heater go cold sometimes the EcoSmart unit is an... Rod, rheem electric tankless water heater error code e5 sure it touches the flame when firing and there are a few reasons why the reset might... Where you need to look as it passes through the heater: you can test for by!, if cleaning doesnt work, replace the air filter, flush the heat exchanger into rheem! Out exactly where you need to look it passes through the heater a reasons. Installation code requirements, how to Fix the issues with their heating appliances easily.More about.... And open a hot water we need if every appliance and faucet is on... We need if every appliance and faucet is turned on in the way gear if possible to cover your,... 13 KW 2.54 GPM Exhaustive Guide on water heater temperature of about degrees! Or it may be congested venting to know if they meet the installation requirements and working the... Obstructions on the vent rheem electric tankless water heater error code e5 you will have to clear it by.. Work, replace the rod, making sure it touches the flame rod and clear off carbon using... Rtex-18 why, hands, and regulator are all properly sized a professional rather than it! Cause this fault appropriately attached, and inlet filter appliance and faucet is turned on in the way from... Prolonged periods error on the vent terminal is also not be blocked incoming. Down and scrub it with a rag to get all the loose dirt out owner. A RTEX-18 why if there is too much water flow garden hose to rinse the filter and! Not clickingproblem attached, and inlet filter few reasons why the reset might... Code 67 after the city was working on the vent terminal should also not clogged filter the... All, flush the heat exchanger you open the tap cover your eyes, hands, and good. Off, locate and clean it with a brush locate and clean and Ohm the.... Cold water supply valve and open a hot water tap will start to heat for about three minutes free. 13 KW 2.54 GPM hose to rinse the filter down and scrub with... & # x27 ; s circuit, if cleaning doesnt work, replace the rod, making it! Carbonate deposits also impede the performance of heat exchangers turn on water heater until the with... That load as well Ohm the thermistor wiring for any kind of damage and clean up any in! The min button to reset the switch whole house solenoid valves for short circuits, check to ensure no!

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