If you dont meet them, your heater may fail to ignite causing error code 11. Defective Igniter Wire Harness. When I am taking a shower no problems at all.What is going on? Can't find what you're looking for? These water heaters may help you qualify for insurance discounts 2. Try keeping up on your heaters maintenance to prevent future issues. If all else fails, contact Rheem customer service for assistance. I think their techs just read off a list of things to try. Follow these instructions to replace your igniter: Rheem tankless water heater code 11 might also be caused by a broken or damaged igniter wire harness. Every tankless unit is powered by electricity even if it uses gas for heating. Shortly there after, you will notice a flame appear through the viewing pod in the center of the tankless unit. How to check if a tank is leaking due to an increased hot water pressure. If your Rheem tankless water heater isnt working properly, there are a few things you can do to troubleshoot the issue. Yes, cold weather can affect your hot water heater. Join me today as I show you how to troubleshoot a RHEEM HYBRID WATER HEATER If any of you have the same problem, hope this will help. Various models may have different minimum gas pressure requirements. The warranty was as NON existent, because we power cycled it until will die! E02 - This code indicates that the unit's gas valve is not open. To fix this fault code, make sure that there is gas flowing to the system by checking that all gas valves are in the open position. Check your manual that the correct size vent pipe was used. Drain the water heater by relieving it through the vent pipe. CODE: 00 PROBLEM: 1 Hour continuous combustion FIX: Close all hot water taps to reset unit. You need to hire an electrician to ground your water heater. The tankless systems outputs can become clogged because of deposits within the heat exchanger. You may need to purchase some Rheem parts or hire professionals for help. Why is my Rheem tankless water heater beeping? This video will show you how to clear the A102 water sensing code on a Rheem water heater. It is important to not the this sound is not a temperature warning. Ensure the airflow is not restricted or blocked. 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. Rheem tankless water heaters are a great way to save space and energy, but they can sometimes develop problems. The ignitor coil is located on the bottom right side of the Rheem tankless unit. To see if this is the case, drain the water heater so you can remove scale and sediment from the tank. Check the vent terminal and exhaust venting. If not, the issue was really with the scale and sediment. If you are not familiar with electronics, use a skilled professional to replace the wiring. Can I Repair a Bulging Water Heater? Solution: Examine the igniter wire for any damage. If nothing helps, then an expert would have to replace the control board. Check the heat exchanger for scale buildup. The minimum water pressure required for proper operation is 8 psi (pounds per square inch). In case you dont feel much more than the weight of the tank, your tank is almost empty. Code 11 occurs when there is an ignition failure on the unit. Vent blockage, switch tube blockage, faulty switch, blower improper operation, or temperature switch open. To begin, unplug the power cord. The most common codes include Codes 5, 11, 13, and 29. Other codes include the F1 code, which means that the water heater is not receiving enough power, and the H1 code, which indicates that there is a problem with the heating element. The water heater's gas valve is located near the bottom of the unit and connects to your home's natural gas line. Common household chemicals such as bleach can also trip the safety system as well as unsuccessful burner ignition attempts. If you have a tankless water heater, there is a good chance that it has a priority light. You also may have to buy pipes, Rheem tankless water heater venting parts, and other materials for the process. Hotwatertalk.com is a participant in the Amazon Services LLC Associates Program and other affiliate advertising programs, designed to provide a means for us to earn fees by linking to the affiliated sites. 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! Turn OFF the remote control. Continue with Recommended Cookies. Clean or replace the flame sensor to fix this problem. Hit the igniter button continuously while pushing the valve control knob in until the pilot ignites. Probable causes: Vent blockage, switch tube blockage, faulty switch, blower improper operation, or temperature switch open. Step 2 Call your local fire department and/or gas company immediately if you smell the presence of natural gas. You ultimately will be better served by replacing the Ignitor Coil. These codes can help you troubleshoot the problem and get your water heater back up and running. To decrease pressure, turn in an anticlockwise direction. 13 Common Rheem Tankless Water Heater Error Codes 01. Rheem Tankless Water Heater Error Code 10 06. Pull and remove the plastic insert by following the igniter wiring. Some water heaters will switch down automatically to safeguard the device and assist prevent other potential safety hazards. Once confirmed, replace the faulty ignitor coil. Then disconnect the appropriate wires and remove the Manifold Door. To open the valve, place an adjustable wrench over the valve tab and loosen it. Contractor's Assistant: How old is your Rheem water heater? Just so it wasn't totally covering the oval holes along the bottom of the water heater. All Right Reserved by HeaterFixLab. These codes can help you troubleshoot the problem and get your water heater back up and running. Remove the access panel on the front of the unit. This is the reset button. Press and hold the reset button for three seconds, then release it. Adjusting or replacing the pressure regulator should solve the problem. As discussed earlier in this article the primary cause of error code 11 is a defective ignition coil. I followed your instructions to enter the test mode and got these readings: At 55, Et 200,St 35, dt 180. If you see any of these error codes, follow the instructions above to resolve the issue. Start by checking that you have gas to the unit by ensuring that all valves are in the open position. As you can see, it regulates the pressure of the intake of gas. Rheem tankless water heater parts should easily be listed online for sale. So, take your flathead screwdriver and turn it clockwise to boost the gas pressure. Our comprehensive Rheem Water Heater Troubleshooting guide will explain common issues, provide tips, and show you how to read your model's error codes. In this section, we will take an in-depth look at the causes behind Rheem tankless water heater code 11 and their simple solutions. Hunker may earn compensation through affiliate links in this story. Turn on a faucet, hot water tap or other water source to kick the unit into operating mode. 3. The gas supply to the unit may be insufficient. Rheem Electric Tankless Water Heater Error Code E4 04. Evacuate the home as soon as possible to avoid injury or possible death. If the pressure is below this, you will need to increase it before proceeding. In preparation for troubleshooting, the system is turned off. Learn what to do, repair, and how to stay safe in this guide. Install the new ignitor coil in place of the faulty one. First, check the gas line to make sure it is not blocked or clogged. Then, replace the Thermophile Wire and feed them through the Manifold Door. Finally, if you have an air intake filter, make sure it is clean and unobstructed. This feature is designed into the appliance in order to protect it from further damage as well as for the safety of your home. Rheem Tankless Water Heater Error Code 11 07. Show more Rheem Water Heater. This flashing is usually accompanied by a high pitched beeping sound. Our comprehensive Rheem Water Heater error code guide will explain common issues, provide tips, and show you how to read your model's error codes. -Tried lighting the pilot again with the blower motor opened up and it operated smoothly this time, no noise. BOY this video sucked but it helped a lot of people lolvia YouTube Capture If your Rheem tankless water heater is displaying the P1 code, it means that the unit is not receiving enough power. I have never followed any recommended maintenance/draining of sediment. Once you have confirmed that the system is getting enough gas supply, your ignitor coil is the problem and will need to be replaced. When the flame sensor detects that the unit has no flame, the Rheem Tankless Water Heater Error Code 12 appears. Rheem Tankless Water Heater Systems are generally reliable. Turn off Unplug Turn to low Plug in Turn knob to very hot and back to low 7 times. It should take a quarter-turn. You should consult with a licensed professional and check local permit requirements before starting any project. It is possible that the cable has broken or there is an issue with the electric circuit. Turn off the cold water supply as well. If this code is enabled it may disable the water. To get rid of the sound and the flashing you can power down the thermostat to the unit and begin your trouble shooting. ignitor coil, Here are the steps of the process in Detail. If you suspect a gas line blockage, turn off your homes gas supply and call a plumber who specializes in gas line repair. This guide to common water heater problems covers gas and electric models from Rheem, Ruud, and other brands. Switch off the unit from the control panel. If your water heater has been in service for a few years then the igniter may get damaged due to wear and tear. Check the flame after two turns to see if it is powerful enough. This can be checked with a pressure gauge at the inlet to the unit. As the gas starts to flow, it could take anywhere between one to ten minutes to bleed the air out of the pipes. GFCI reset ? Rheem is a leading manufacturer of water heaters. 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