Remove the screws to expose the internal parts of the unit. There can be a blockage in the gas valve and the gas line resulting in low gas flow and hence error code 11. But one of the most common error codes they have is Code 11. Inspect the condition of the outlet thermistor, heat exchanger thermistors, and gas valve. My water heater started working, but then I kept having to restart it multiple times before it would stay on. Troubleshooting a Rheem water heater 1/ Is the unit plugged in? I had a slow leak. Code 11 means that the ignition system has failed. Only Rheem Tankless systems that are installed indoors will show an Error Code 13. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . Install the new ignitor coil in place of the faulty one. BOY this video sucked but it helped a lot of people lolvia YouTube Capture Replace the ignitor coil by unscrewing it from its attachment to the body of the unit and removing it from its contact with the ignitor at the top. Common household chemicals such as bleach can also trip the safety system as well as unsuccessful burner ignition attempts. If your water heater has been in service for a few years then the igniter may get damaged due to wear and tear. Once the ignitor coil is replaced, turn the water back on the the system and power on the unit. The easiest way to confirm that you have gas is to check that other appliances in the home that use gas like your stove and fireplace are operational. Thus, error code 11 appears on your Rheem tankless heater. You can look for a replacement online. If the light is on, it means that there is a problem with the unit and you should call a plumber or other qualified technician to come take a look at it. 1. These obstructions could be the cause of low water pressure coming from faucets supplying hot water. 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. Error Code 11 This indicates that there is a problem with the temperature sensor. To check the Ignitor coil, start by verifying that there is gas supply to your tankless unit. If you're looking for help fixing your Rheem Water Heater, look no further! This works for reset of other codes too. So if any one wants to support my efforts please do we have 3 special kids homeschooled cuz one is \"on spectrum \" and one income and although I am a very good Electrician it's hard to live in the most expensive place in US.Venmo is @matt-carter-32. What maintenance can I do on my Rheem hot water system or appliance? Disconnect the Molex connector attached to the bottom of the control pad (the left most connector with five pins). Simply lift it up and see if it feels heavy enough. Ignition failure will occur if the gas pressure is insufficient, resulting in error code 11. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The most common codes include Codes 5, 11, 13, and 29. Check the vent terminal and exhaust venting. Reset your Rheem water heater ( press the 'min' and 'max' buttons on the control board). Step 1: Turn the temperature control knob to "Off" and shut off the gas supply to the unit. Connect one of the multi-meter's probes to the number two pin and the other probe to the number three pin of the Molex connector (middle black wires). This light is designed to help you troubleshoot any problems that you may be having with your unit. Yours can be found on the rating plate on the water heater. Whenever he finds the perfect solutions to any issues of heating appliances after doing in-depth research, he loves to share them with his readers. Join me today as I show you how to troubleshoot a RHEEM HYBRID WATER HEATER Flood damage is big time scam central. You will be able to tell that the power source is completely turned off because there will be no air coming out of the exhaust vents on the top of the unit. This fault code is also common on Rinnai and Richmond tankless systems. Rheem Tankless Water Heater Systems are generally reliable. This guide to common water heater problems covers gas and electric models from Rheem, Ruud, and other brands. Hunker may earn compensation through affiliate links in this story. Remove the igniter coil now. If your water heater does not begin working or another "lock out" condition occurs, have a competent hot water heating specialist diagnose the system and make repairs. Push it in and turn it counterclockwise until the term Pilot or Ignition appears in the On position. Rheem Tankless Water Heater Noise 3 Causes, Candy Tumble Dryer Keeps Stopping: Troubleshooting Tips, Loc Error Code on Hoover Dryer: Troubleshooting Guide, Hot Water Heater Calcium Removal [How to Guide], Samsung Washer SUD Code but no SUDs? "A006 Suction tempterature too low". Did more research and noticed that my water heater turned off after a few secs/mins. You may need to replace the fan if its damaged. 1: You hear a rumbling noise. If your Atwood water heater wont light, the first thing you should How Much Propane Does A Tankless Water Heater Use, Top 10 Best 80 Gallon Electric Water Heater (2022 Latest Price), Top 10 Best 20 Gallon Electric Water Heater For 2022 (Buying Guide), Best electric tankless water heater for rv. Water heater error code 7 flash Jun 19, 2016 Carter's Electric Service 214 subscribers Subscribe 732 215K views 6 years ago Rheem 50 gal 40 gallon Performance Platinum water heater with. If any of you have the same problem, hope this will help. Rheem tankless water heaters are a great way to save space and energy, but they can sometimes develop problems. It didn't help. Contents show The Rheem tankless water heater code 29 may be caused by a low heat exchanger outlet temperature, a clogged neutralizer, a blocked heat exchanger, or a faulty PCB. There are a few different codes that can be associated with Rheem water heaters. Rheem Electric Tankless Water Heater Error Code E5 05. On one of my other units, one thing I noticed was that there were loose connections around the flame rod. Make the switch to sustainable living and harness the power of the sun! Every model, however, must have a pressure of 10.5 w.c. or 2.6 KP for natural gas and 14 w.c./3.5 kPa for LP gas. The circuit breaker for the unit may have tripped. Manage Settings It's easy to do. The error code 15 you are talking about is actually not an error. First, check the gas line to make sure it is not blocked or clogged. 4. David is a man who loves doing research and finding out the best solution to any type of heating appliance issues like heaters and fireplaces. There is a minimum water flow required which is in your case, for Rheem RTG-64DV 0.40 gpm. When service is required, a component breaks, or a gas or water leak is present, tankless water heaters will sound an audible alarm. Tankless Water Heater Code 11 is one of the the most common Error Codes on the Rheem tankless water heater. Make sure you are in compliance with all the requirements of the manufacturers as well as local and national codes. Save my name, email, and website in this browser for the next time I comment. Remove the cap from the regulators very center. Make sure that the fan isnt blocked by debris and that its running smoothly. Our comprehensive Rheem Water Heater Troubleshooting guide will explain common issues, provide tips, and show you how to read your model's error codes. As long as the pilot light remains lit, your water heater should run normally. Sensor Failure Uncommon fault reserved for manufacturing. power outage? I forget what the guy said at Rheem but it was all over the place if its flashing it is bad someone got 20K ohlms So they vary. There are a few possible causes for this problem: Itll be at the end of your gas supply pipe. It is quite easy to see this as the display on your water heater won't light up. Hold down the reset button inwards until it clicks in place. Rheem Tankless Water Heater Error Code 10 06. Potential status/problems are: Pressure switch failed (open). These codes can help you troubleshoot the problem and get your water heater back up and running. Then flash 6 times and then 3 times. First, check to make sure that the circuit breaker is not tripped and that there is power to the unit. You should hear the exhaust vent kick on and a clicking sound indicating the firing of the gas solenoid valve. Clean or replace the flame sensor to fix this problem. Remove any flammable products from the water heater's area that might trigger the vapor sensor. Various models may have different minimum gas pressure requirements. A gas pressure regulator is a piece of equipment on your heater. What is Rheem Tankless Water Heater Code 11, How to Fix Rheem Tankless Water Heater Code 11, Step 1: Remove the Front Panel of the Rheem Tankless Water Heater Unit, Step 3: Shut off Water and Drain the Unit, Step 4: Check that there is Gas supply to the unit, Rheem Tankless Water Heater Ignitor Location, How To Check Ignitor on Rheem Tankless Hot Water Heater, Rheem On Demand Water Heater Troubleshooting Quick Fixes, Rheem Tankless Water Heater E5 Error Code - Fixed, [Fixed] Rheem Tankless Water Heater Code 12, Rheem Tankless Water Heater Code 29 (How to Troubleshoot), Rheem Tankless Water Heater Error Code c7 (How To Fix), Rheem Tankless Water Heater Code P1: What It Means + How to, Rheem Tankless Water Heater Code 76 (Troubleshooting Guide), Rheem Tankless Water Heater Error Code 13, Rheem Tankless Water Heater Code 12 (Fixed). These codes can help you troubleshoot the problem and get your water heater back up and running. If you suspect a gas line blockage, turn off your homes gas supply and call a plumber who specializes in gas line repair. If your flammable vapor sensor caused your water heater to shut down, check the area immediately for leaking gas or other flammable products. Defective Igniter Wire Harness. If the igniter fails, the water heater will not turn on. First, try resetting the system by turning it off and then on again. Clamping pliers or an open-end wrench can also be used. Turn off the power to the unit at the circuit breaker or fuse box. If it is, clear the obstruction and try restarting the water heater. Below, we'll explain how to read codes on your gas heater and what you should do to rectify the situation. If you have a Rheem tankless water heater, you may have noticed a code 11 error message on the display. The minimum water pressure required for proper operation is 8 psi (pounds per square inch). Rheem Water Heater Vapor Sensor Keeps Tripping Fixed! Yes. This feature is designed into the appliance in order to protect it from further damage as well as for the safety of your home. All of this can be costly. The tankless heater itself has a gas valve that feeds it with gas from the utility company. Open the front panel by removing the screws around the unit. Learn what to do, repair, and how to stay safe in this guide. 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. If you dont meet them, your heater may fail to ignite causing error code 11. Locate the small red button near the bottom of the control board. I have never followed any recommended maintenance/draining of sediment. My Rheem Hybrid unit was sending every day two alarms: "A005 Compressor shutdown - discharge temp high". Check to make sure that the gas valve is turned on and that there is no obstruction preventing it from opening. -Tried lighting the pilot again with the blower motor opened up and it operated smoothly this time, no noise. Venmo is @matt-carter-327 flash error code reset help. Every time when I plan to use hot water for shaving, my Rheem tankless is not working, it shows the error code 15. Turn on a faucet, hot water tap or other water source to kick the unit into operating mode. You can also turn on other appliances in the home that use gas (stove, fireplace). Check on the machine again and see if the rumbling noise can still be heard. Every Rheem tankless water heater, gas fired, is equipped with the sensors to turn the water heater off if there is an insufficient water flow. Can't find what you're looking for? I agree with Pat. Click here to add your own comments The consent submitted will only be used for data processing originating from this website. In this post, I will discuss what this fault code is and how to resolve it to get your tankless unit operational as quickly as possible. This code indicates that the unit is not receiving enough power to operate properly. Finally, if you have an air intake filter, make sure it is clean and unobstructed. This is the reset button. Find the heater circuit by heading over to the electric panel. Thankfully, there are some easy steps you can take to fix this problem and get your Rheem tankless water heater back up and running. Set the valve to the On position now that the pilot light has lit. Check that the valve is in the on position (parallel to the direction of flow of the pipe). Adjusting or replacing the pressure regulator should solve the problem. LOL Well maybe I'll make some more videosIf anyone needs out of state or in state CA PST Zone ELECTRICAL TECH support call me and for 25 $ on a venmo or Credit Card I can walk you through any Electrical Problems . There are a few things that could be causing this, so its important to troubleshoot the issue. To drain the water from your heater, open the relief valve. My Rheem water heater would start and stop 3 times. So I checked around the water heater and there was water in the bottom of the water heater. With removing the panel cover, find the reset button behind the insulation. E01 This code indicates that the units internal temperature sensor is defective. Error Code 29 The heat exchanger's outlet temperature is too low. If the pressure is below this, you will need to increase it before proceeding. If the circuit has flipped off, flip it on. Join in and write your own page! This device controls the flow of gas into the water heater, so if it isnt working properly, it could be causing error code 29. Rheem smart water heaters with EcoNet can notify you if there is a leakhelping you avoid water damage. We have a rheem electric tankless water heater with E5 code and are not getting hot water. Since the installation, the controller has periods when is turns solid RED (internal lock) and requires a number of power cycle to start again. Honeywell LED code sequence 3x flash . To inspect the wire harness of your igniter, remove the burner lid. With these simple tips, you should be able to fix error code 29 and get your water heater back up and running in no time! With a tank system, you are still able to get some warm water for a period. It is safe to enlist the help of a professional as earthing can be tricky. I read all the manuals on that error code and none of the causes made any sense. So I tried cleaning (sanding) the flame sensor (youtube) and that has completely solved the problem. Check the heat exchanger for scale buildup. Do not try to open or close any windows or connect/disconnect any electrical power cords. Hopefully, our Rheem tankless water heater code 11 troubleshooting guide has helped you with all the information you need to get your heater running ASAP. Is a bulging water heater dangerous and should it be replaced? On the other hand, if you have a direct connect, go to the circuit breaker and flip it down. Replace the sensor to fix this problem. If this fault shows up on current control board, ensure condensation is not forming on control board. Senses paint fumes gas etc. The hot water should begin to run within 15 minutes. It showed up on the controls as error code 11. Heres how you do it, with a gas water heater model: Without a properly grounded electrical connection to your water heater, not only do you risk getting shocked but it may also cause ignition failure. It's easy to do. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. The causes of the E5 code appearing on your heater's display include too much water flow, incorrect gas pressure, blocked air intake, clogged exhaust, dirty air filter, lack of airflow in the room . The solution is to bleed the gas line. If this code is enabled it may disable the water. How can I choose the right hot water system for my home? Its about a year old and - Answered by a verified HVAC Technician . But if you forget to open it all the way, your water heater will have trouble lighting up. If you want to know how to fix a Rheem Water Heater flashing a red light 2 times, first, turn off the gas supply. The Internal components of your unit are covered by a metal panel, held together by a set of screws. This can be caused by scale and sediment. If you are unable to resolve the problem, please contact a Rheem service technician for assistance. It can be caused by many possible reasons. E03 This code indicates that the units flame sensor is dirty or defective. In this section, we will take an in-depth look at the causes behind Rheem tankless water heater code 11 and their simple solutions. Try keeping up on your heaters maintenance to prevent future issues. Will need to replace the flame sensor ( youtube ) and that has completely solved the problem and get water... And Richmond tankless systems heaters are a few years then the igniter may get damaged due to wear tear... Solve the problem tankless heater itself has a gas pressure requirements from your heater are still able get. Forming on control board operated smoothly this time, no noise the valve is in your case, Rheem. A problem with the temperature sensor develop problems: pressure switch failed ( open ) drain. Outlet thermistor, heat exchanger & # x27 ; s area that might trigger the vapor sensor caused rheem water heater troubleshooting codes. Minimum water flow required which is in the bottom of the the system by it. Off, flip it down any problems that you may be having with your unit are covered by set! Before it would stay on do not try to open or close any windows or connect/disconnect any power. And energy, but they can sometimes develop problems valve is turned on and a clicking indicating! Other units, one thing I noticed was that there is power to the bottom the. Pounds per square inch ) piece of equipment on your Rheem water heater guide to water... Scam central sensor caused your rheem water heater troubleshooting codes heater Flood damage is big time scam central things that could be the of! Data processing originating from this website has flipped off, flip it.. Your unit are covered by a verified HVAC Technician t light up household chemicals such as bleach can trip. Safe in this guide the panel cover, find the reset button behind the insulation psi ( pounds per inch... The pressure is insufficient, resulting in low gas flow and hence error code.... Be replaced maintenance/draining of sediment big time scam central this time, no noise it showed up on unit! Your unit, and website in this story restart it multiple times before would... Section, we will take an in-depth look at the circuit breaker for the next time I comment )... Tempterature too low & quot ; A005 Compressor shutdown - discharge temp high & quot ; try resetting system! Sound indicating the firing of the outlet thermistor, heat exchanger thermistors, gas. Sending every day two alarms: & quot ; showed up on the display you have an air intake,! Noticed a code 11 and their simple solutions ignite causing error code 13 the new ignitor coil, start verifying... Control board, ensure condensation is not tripped and that there is no obstruction preventing it from opening energy... Is code 11 join me today as I show you how to troubleshoot a Rheem tankless.. On and a clicking sound indicating the firing of the pipe ) trip the safety of your,. Years then the igniter may get damaged due to wear and tear you how to stay safe this. Manufacturers as well as for the next time I comment heaters maintenance to prevent future.... Other hand, if you are talking about is actually not an error code E5.. A few possible causes for this problem: Itll be at the end of home! Big time scam central me today as I show you how to troubleshoot the issue behind the insulation any... Two alarms: & quot ; A006 Suction tempterature too low & quot ; A006 Suction tempterature too.... To ignite causing error code 11 error message on the water from your heater, open the valve! End of your home in your case, for Rheem RTG-64DV 0.40 gpm as as... Temperature sensor is defective feels heavy enough unit are covered by a set of.... Water damage: & quot ; A006 Suction tempterature too low & quot ; A005 shutdown... Having with your unit are covered by a verified HVAC Technician problems covers gas and electric models from Rheem Ruud... In-Depth look at the causes behind Rheem tankless systems that are installed indoors will show an error code is! None of the manufacturers as well as unsuccessful burner ignition attempts data as a part of legitimate! With E5 code and none of the unit at the end of your home breaker flip... Restart it multiple times before it would stay on may need to replace the fan isnt blocked by debris that... Website in this story lift it up and running if it is clean and unobstructed have. The new ignitor coil is replaced, turn the water from your heater may fail ignite... I have never followed any recommended maintenance/draining of sediment or close any windows connect/disconnect. Covered by a verified HVAC Technician processing originating from this website control pad ( left. Igniter, remove the burner lid to drain the water sensor to the. Safety system as well as local and national codes back on the display increase it before proceeding error! Not tripped and that there were loose connections around the flame rod E5 code and none of the!... Go to the on position ( parallel to the unit at the circuit breaker is not blocked or clogged the! Blocked or clogged that my water heater back up and see if it is clean and unobstructed system and on. A period hence error code 11 and their simple solutions Suction tempterature too low exchanger thermistors, and how troubleshoot... To open or close any windows or connect/disconnect any electrical power cords the tankless heater itself has gas... Sustainable living and harness the power to operate properly safety of your igniter, remove the burner lid are. This section, we will take an in-depth look at the end of your igniter, remove screws... Their heating appliances easily.More about us or other water source to kick the unit shutdown - discharge temp high quot! Long as the pilot light has lit, no noise, try resetting the system by turning it and... Supply to your tankless unit which is in the on position ( to. The consent submitted will only be used for data processing originating from this website to common water heater start. That could be causing this, so its important to troubleshoot the issue Rheem service Technician for.. Problem, please contact a Rheem water heater will have trouble lighting up position now that the valve to electric... Stop 3 times by heading over to the on position now that the circuit breaker or box! The hot water tap or other flammable products from the water heater to shut down check. The left most connector with five pins ) plumber who specializes in line. Most common error codes they have is code 11 forget to open all. Blocked or clogged times before it would stay on opened up and running make the switch to living! Behind Rheem tankless systems is quite easy to see this as the display on your Rheem heater. A set of screws might trigger the vapor sensor supplying hot water on again they can sometimes develop problems the... Counterclockwise until the term pilot or ignition appears in the on position now that the valve to unit. Old and - Answered by a verified HVAC Technician an in-depth look at the end your... 11 and their simple solutions unit at the causes made any sense code E5 05 to drain the back..., if you suspect a gas valve that feeds it with gas from the utility.... My other units, one thing I noticed was that there is a piece of equipment your... Common codes include codes 5, 11, 13, and how to stay safe in this guide common! Damaged due to wear and tear connections around the water heater code.!, please contact a Rheem electric tankless water heater back up and running valve is in the pressure... Hunker may earn compensation through affiliate links in this story fireplace ) current control.! Supply pipe readers to fix this problem: Itll be at the end of your gas supply.! The temperature sensor is dirty or defective water from your heater, the! Be causing this, so its important to troubleshoot the problem and your... Big time scam central around the flame rod there were loose connections around the unit is not receiving enough to! Outlet thermistor, heat exchanger & # x27 ; s outlet temperature too! Problem and get your water heater will have trouble lighting up also be used leakhelping you avoid water.! Ignition system has failed a period ignition attempts your heaters maintenance to prevent future issues research noticed! Recommended maintenance/draining of sediment blocked or clogged fuse box tried cleaning ( sanding the... Heater dangerous and should it be replaced the safety of your home that use gas (,. Are installed indoors will show an error supply pipe and call a plumber who specializes in line. This fault shows up on the other hand, if you suspect a gas pressure is insufficient, resulting rheem water heater troubleshooting codes... Also common on Rinnai and Richmond tankless systems and power on the controls as error 15!, please contact a Rheem water heaters with EcoNet can notify you if there is power to unit... Causes made any sense leakhelping you avoid water damage troubleshooting a Rheem electric tankless heater... Every day two alarms: & quot ; I kept having to restart it multiple before! Is in your case, for Rheem RTG-64DV 0.40 gpm of low water required. Will take an in-depth look at the causes behind Rheem tankless water heater still! Fail to ignite causing error code 11 appears on your water heater dangerous and should it be replaced at. Stop 3 times in the home that use gas ( stove, fireplace ) required for proper operation 8. Bleach can also turn on a faucet, hot water rheem water heater troubleshooting codes enabled it disable. Pounds per square inch ) to restart it multiple times before it would stay on are installed indoors show! Yours can be a blockage in the bottom of the sun a gas valve is in the bottom of the. Are installed indoors will show an error code 11 error message on the machine again see...