Your Rheem Water Heater will pop up this warning message due to the following reasons: Addressing and fixing those issues we mentioned will help you eliminate the error code from the display of the unit. Almost every tankless water heater including Rheem has equipped with a few vent pipes. Call the technician. Ensure there are no buildups, foreign objects, or deposits near or around the unit and its venting system and combustion chamber. Otherwise, you need to change the PCB. Examine the blower motor: Look for blockages or broken parts. Cause: Most of the time, the water heater doesn't start because the hot water tap is not fully open, so the water flow is low. Sediment Deposits In The Heating System 5. Rheem error code 32 means there is a problem with the heat exchanger thermistor. Replace the panel cover. Check the number 11 where I break down the error code 61. Dirty Air Filter 4. Tilt down the computer board, which will reveal the blower motor. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. If this drainage system gets clogged, your tankless water heater will flash the error code 29 to prevent the burner from being flooded. If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. Phase #3: First up, remove the screws that keep the burner to the combustion chamber in place as you can see in the picture below. Consequently, the heat exchanger malfunctions. How to check if a tank is leaking due to an increased hot water pressure. Error code 14 means Overheat Film Wrap gets activated. In the troubleshooting manual, Rheem says that error code 29 stands for too low heat exchanger outlet temperature. However, if you are mechanically inclined, keep scrolling. These are: Check the resistance readings of each sensor wiring and replace the sensors if not working correctly. Reset Your Tankless Water Heater FAQs: Posted 2023-04-14 17:56 Contact Information: print. Rheem error code 79 can be caused by condensation or moisture accumulation over the fan motor or damaged or loose wiring. Rheem error code 90 indicates a blocked flue. See our list of the best electric tankless water heaters. If there is any hot spot created on the heat exchanger, it will cause the Overheat Film Wrap to fail. Before finding out the source of the problem, we recommend you pull out the remote control wiring from the wiring terminal on the PCB. The root reasons for this error code include: Using the wrong fuel type. We and our partners use cookies to Store and/or access information on a device. Ensure minimum water flow and clean cold water inlet pipe and aerator screens. Secondly, inspect the exhaust vent or air intake pipe for a clog. If there is no remaining flame, you should check the display maintenance for information regarding the flame rod. I am glad to help. If the manual recommends using natural gas, go for it. However, there is also another meaning of the error code 29. It should give a reading of 50k 500k ohms. If the water doesnt flow, we recommend you increase the flow rate. Ensure there are no loose connections. It means the desired water volume is too high that exceeds your desired preset temperature. Clogged condensate neutralizer. Also, the exhaust vents should be free from any hard objects. Also, we broke down the troubleshooting steps to clear the message. Rheem Tankless Water Heater Error Code 61, Rheem Tankless Water Heater error code 13, Rheem Tankless Water Heater Troubleshooting Manual [Complete Guide], Basement Watchdog Battery Alarm Add Distilled Water, Basement Watchdog Battery Alarm [Corroded Terminals Or Bad Battery], Basement Watchdog Pump Was Activated Alarm, Loose remote control wiring or the remote control itself gets defective. On top of this, you must ensure the drain will not allow backflow. > Inspect the exhaust pipes for any clogs. Use the error code guideline below to identify the problem, or. If needed, replace it with a new one. When the ODS gets activated, your tankless water heater will trigger the error code 13. Rheem Tankless Water Heater Code E5 [7 Easy Fixes] 1. High Efficiency Tankless Water Heaters. During troubleshooting the error code 31, check the water temperature according to the maintenance information isa temperature of 32F indicates a thermistor that is not making a good connection, and 199F indicates a direct short. Check if the maintenance information displays the ambient air temperature. If your Rheem displays error code 38, light the burner for a few minutes and measure the sensors current readings. If your Rheem displays an error code 29, ensure the heat exchanger is clean of any buildups. In this case, check the followings: 1. d. Remove outlet pipe bracket and ceramic heater plug. If nothing works for you, I suspect the PCB is the culprit. However, depending on the information and type, you may need to replace the main burner, flame rod electrodes, or the PCB. Rheem Tankless Water Heater Error Code 12, 10. Phase #4: When done, detach the flame sensor and igniter wire from the burner assembly. Step #5: Remove all Molex from the connector. See the tankless water heater reviews from Water Tech Advice if youre considering a replacement. Is your tankless unit beeping? * All pros listed are independent dealer-owned . Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! A bad safety circuit or a gas problem might also be to blame, so calling a professional may be the best decision. How do you clear the error code 14 on Rheem tankless water heater? After ensuring the correct fuel supply, still you are noticing the same error, blocked venting is another major factor to suspect. If youre using the wrong type of fuel beyond the recommendation, it leads to several malfunctions including combustion issues, flame failure, heating issues, and many more. 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. If the error code 12 persists, contact a licensed technician. Rheem error code 03 is found on units with MIC-180 or EZLink. You may also need to turn off or replace the circulation system. Error Code 14 What It's Telling You Condensing units only: Maintenance error: Flue pipe overheating. Check if the water inlet filter or fixture aerator is clogged and unblock it if it is. Rheem error code 03 means there is a problem with the manifold control. If this sensor senses that the heat exchanger of your water heater gets overheated, it will pop up this error message. Now locate the PCB from the inside and inspect all the Molex connectors on the board. Rheem error code 00 indicates that the unit has worked continuously for more than one hour. Undersized Tankless Water Heater 7. If there is no information, you should measure the sensors resistance, and the sensor should be replaced if not within specifications. Read Details: Rheem Tankless Water Heater Code 29. Rheem Tankless Water Heater Error Code 11, 07. To determine the root cause of the issue, use a jumper wire to directly connect the remote control to the PCB. If your water heater comes on, we bet the culprit is the remote control itself or the wiring between the remote control and the tankless unit. Rheem error code 79 means there is a problem with the current of the fan motor. We recommend you check the heat exchanger fins first for blockage. If youre wondering how to do it, take a look at our dedicated guide to learn the detailed procedures. Its a plastic film wrap with the black squiggly lines. After removing the front panel cover, press the air intake switch and ensure it operates correctly. When there is any problem with the unit, it will pop up an error code on the display. Ensure the programming chip is suitable for your Rheem model, and the altitude at which the unit is used. Manage Settings First off, make sure there is enough fuel in your gas tank. Make sure to check all four sensors. Rheem error codes 80 and 81 indicate a gas cut-off or extinction failure. Understanding Noritz error codes and troubleshooting Noritz water heaters. Then, turn on the water heater again, which will reset the heater. I've been conducting professional home inspections since 2002. You may need to replace the thermistor or the PCB. If you are calling the manufacturer, make sure to have the following info ready: A list of Takagi error codes for easy troubleshooting of Takagi tankless water heaters. If your Rheem displays an error code 66, confirm the unit receives enough water and all wiring connections are in good working condition and tight. Why is my Rheem tankless water heater overheating? e. However, the error code helps you troubleshoot the problem when scale buildup or malfunctions occur. Ensure that nothing is blocking the airflow and that the heat exchanger is not damaged. How to use a diagnostic system to repair a faulty heater. You should also measure the Molex connections resistance. Remove front cover. Remove electrical connection box (single screw on outside left). And lastly, check out the burner manifold pressure. Measure its resistance and voltage and replace it if necessary. From the bottom of the unit, take out two screws that hold the computer bracket in place. All Right Reserved by FIREPLACEHUBS. Next, you need to remove some wires that come in the way like the blower motor wire, flame rod wire connectors, over wrap film plug, and others. Start with inspecting the remote control. If you're looking for help fixing your Rheem Water Heater, look no further! Disconnect the front cover and set it aside. Clogged Exhaust 6. Improper fuel type, defective heat exchanger, clogged venting system, and faulty Molex connection are some culprits responsible for an overheated exchanger. Rheem tankless water heater code 11 might also be caused by a broken or damaged igniter wire harness. SVC 810 Tankless Troubleshooting Manual Connector and Hot Water Outlet Thermistor a. And the Overheat Film Wrap gets activated if the heat exchanger gets too hot. What does E4 mean on a Rheem tankless water heater? We hope those troubleshooting steps we mentioned will help you clear the error message 14. Overheat Film Wrap is a sensor. Reason: Overheat Wrap Fault Obstructions could also result in error code 14 though if you cannot find one then consult a professional to troubleshoot the fault. When this error code will pop up, understand there is no ignition on your tankless water heater. Also, turn the gas shut-off valve clockwise to stop the gas supply. Takagi Water Heater Error Codes [Ultimate Guide]. E5 on a Rheem Tankless Water Heater means there is a high flow rate. Next, access maintenance information to determine the flow rate. Locate the reset button on your Rheem tankless water heater. Is a bulging water heater dangerous and should it be replaced? Step #4: Besides, if you find the connector is in place, determine it is time to test the connector electrically. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. After cycling the unit if you notice any remaining flame through the view window, I bet the gas control assembly is the culprit. Stop the water flow, switch the remote control off, and unplug it. What Does Error Code 14 Mean On Rheem Tankless Water Heater? If its incorrect, you should adjust it. 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.. If the dip 1 switches are switched off, the unit can be prevented from working properly. Then, inspect the gas solenoid valves and make sure they work properly. If the unit doesnt start after disconnecting the remote, its PCB may need to be replaced. An example of data being processed may be a unique identifier stored in a cookie. Rheem error code 14 means the overheat film wrap has been activated, usually caused by a hot spot. My Water Heater Smells Like Gas - What to Do? Tankless Electric Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. If the readings are not within specifications, you may be dealing with a faulty thermistor, which you should replace. If there is no information, the unit should be working correctly. Rheem error codes 92 and 93 are typically found on condensing units. Draining and flushing out the tankless water heater is quite straightforward and you can do it by yourself. Why does my Rheem tankless water heater display the error code 14? The Rheem Tankless Water Heater P1 Code is a common error code that indicates a problem with the water heater. From top to bottom of this guide, we broke down every error code our tankless water heater displays. To fix this issue, you need to slow down the flow rate. While troubleshooting your Rheem, do not operate it or open the hot water tap, especially while testing it using the Min and Max buttons. Then, inspect the heat exchanger flapper valve and make it move freely at the vent connection of your water heater. Clean out blocked venting. Then reattach the tube. First up, take a look at the below quick solution table for the error code 14 on your Rheem tankless water. If your Rheem displays an error code 35, inspect and ensure all thermistor connections are not loose and installed correctly. Improper Fuel Type 02. How To Fix Error Code P1 On Rheem Tankless Water Heater [7 Easy Solutions] 1. If the remote works, the problem is with the cable, and if it doesnt, with the remote control itself. If the readings are not right, replace the thermistor; if they are within specs, you may have to replace the PCB. The burner assembly fires up only when you open the hot water tap. According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. Relevant: Rheem Tankless Water Heater Error Codes. Check if the fan motor shaft moves freely and is not blocked or damaged. Fan motor fails to create sufficient ventilation: 1. d. Remove outlet pipe and. Fix error code 14 rheem tankless water heater code 14 Rheem tankless water heaters to be replaced front cover... 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