If you have a Rheem tankless water heater, you may be wondering what all the codes on the control panel mean. If the heat exchange fins get clogged, release the blockage. When an error code is displayed on the screen and before you call the service support, do the following to reset the system, which might fix the issue: If nothing happens after resetting the unit and the error code is still visible, do the following: Cause: Limescale deposits in the heat exchanger water flow is reduced, and the temperature increases significantly. Continue with Recommended Cookies. From top to bottom of this guide, we broke down every error code our tankless water heater displays. You can also try shutting off the water and then disconnect the remote control. Make sure that the fan motor is operating properly. Check to see that nothing is blocking the flue inlet exhaust or fan. Copyright. The unit may be plugged into an outlet that does not provide enough power. Lets get started! Check the air inlet filer and clean as required. 36kW Tankless Electric Water Heater (240V / 4 Heating Chambers) $911.37. If the problem persists, call a qualified technician for service. Knowing that the ignition has failed is straightforward enough yet finding out why can prove difficult. The venting should also be adequately sealed and you may want it inspected by an expert. See if there is anything blocking the air vent on the device. If its dirty, clean it out according to the instructions in your owners manual. A list of AO Smith tankless error codes for easy and inexpensive troubleshooting. On the other hand, you should get a neutralizer kit and install it on your water heater if the neutralizer drainage fails. You should consult with a licensed professional and check local permit requirements before starting any project. Reason: Air Intake Filter Switch Malfunction. Consequently, this affects the communication between your remote control and the water heater. So, follow the troubleshooting steps we mentioned to clear the error message. A clogged heat exchanger, venting system, and air intake filter are responsible for making the ODS thermocouple defective. The top-selling product within Rheem Tankless Water Heaters is the Rheem Performance Platinum 11 GPM Natural Gas High Efficiency Indoor Recirculating Tankless Water Heater. According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. Check the air filter. Check that the program chip is properly installed and that the control board recognizes the right type of gas, which could be propane or natural gas. Again, there should be no obstructions to the airflow and the vent terminal should be clear. Whichever issue it is, your unit will likely still be operating and you can solve the error yourself. How to troubleshoot Rheem tankless water heaters by using the service error codes chart. Error code 61 should mean that you should check the fan motor, specifically that it turns freely as even a small restriction could be the problem. But like any other piece of technology, they develop faults. Rheem Water Heater Blinking White Light. window.mc4wp = window.mc4wp || { From this chapter, you can learn about the most common error codes the tankless water heater shows. Next, check the resistance of the heat exchanger thermistor. You may want to do a service call though you can check the wiring on the remote control yourself, specifically for any loose or damaged connections. Tankless water heaters generally last considerably longer than a tank-type heater, as they don't hold corrosive water for prolonged periods. If the heater functions well, then there is an issue with the remote control. 5. Check to make sure the gas is turned on at the water heater, gas meter or tank. This error is preventable by descaling the water heater on at least once a year. The fan motor should also have the right voltage and may be water damaged due to condensation. It may be the case that both the fan motor and the control board need to be replaced. Visit Document Rinnai fault code 10 - Air supply or exhaust blockage. Of course, the internet is likely your go-to resource for any current information relating to your Rheem tankless water heater. Close hot tap, cycle power on and off at GPO and open hot tap again. Reason: Too High Outlet Water Temperature. These issues can include water leaks, that it runs out of hot water quickly, and suffers from an inconsistent water temperature. They are dirty or defective flame rods, faulty ODS thermocouples, and incorrect burner manifold pressure. Reason: Continuous combustion lasting an entire hour. (function() { Why Does My Stiebel Eltron Tempra High-limit Switch Keep Tripping? Man Tips! The vent exhaust can be a little more complicated to solve though you should start by simply checking and removing any obstructions to the exhaust vent. Increase the flow. If nothing works for you, I suspect the PCB is the culprit. If your Rheem electric tankless water heater needs to be reset, follow these steps: Replacing the filters capacitor should solve the Rheem tankless water heater code 76 error and restore communication between your remote control and the water heater. Solution: Make sure that the hot water tap is open enough to provide at least the minimum required water flow. The voltage should be 8 to 16 VDC. Use our quick reference guide to find answers to common questions or for more detailed information use the search form to search for a specific question. The blower motor and flame rod FL-25 should also be checked. I see all of these bad reviews of the Rheem water heaters and notice that many seem to be purchased at a retail level either thru their plumber or directly from Home Depot or other home improvement outlet. Tankless water heater problems and how to repair models from Noritz, Rinnai, Takagi using error codes. emergency housing in dothan, al history of goffs manor water bird whistle history jobs at arsenal training ground hillsborough county high school athletics June 13, 2016 Read More The unit will throw the error code e51 if the gas inlet solenoid valve is at fault. 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. Rheem tankless water heaters have many error codes that make it challenging to pinpoint the exact cause of each error. Also, check that the vent terminal was installed properly on the device. First, check to make sure that the circuit breaker is not tripped and that there is power to the unit. I followed the instructions to descale using. If your Rheem tankless water heater is displaying the P1 code, it means that the unit is not receiving enough power. The flame rod wire should be connected and it should be free of any carbon build-up. As mentioned above, there are several more error codes you can potentially encounter with a Rheem tankless water heater. A false flame can be attributed to the flame rod (or rods) touching the flame whenever the unit fires. If you observe no remaining flame, dont hesitate to check the relay connection of flame rod connector. 3. Alternatively, you can test each potential error and devise a suitable solution. Error Code E4: This code signals that there is a problem with ignition or flame detection. Before they arrive, you can check that the gas valves are all open with gas actually reaching the unit properly. Replace the combination gas control (thermostat). Moisture can also build up in the water heater and the unit will also be connected to the plumbing system. The most common code is E1, which indicates that there is a problem with the heating element. Remove the panel cover and locate the reset button behind the insulation. There may also be blockages in the heat exchanger which should be removed. How to troubleshoot Rinnai water heaters successfully using Rinnai error codes guide. If the remote control works, we bet the wiring is at fault. The neutralizer needs to be replaced soon. Inspect the gas valve wiring harnesses for loose or damaged terminals2. Insufficient fuel or restricted gas flow, faulty gas solenoid valves, defective igniter wire harness, and a problem with the igniter are some caveats that trigger the error code 11. Also, inspect the flame rod electrodes and clean them. Please select accurately so we can provide you with the best service providers in your immediate vicinity. The Rheem tankless water heater code 76 indicates a communication fault between the remote control and your tankless water heater. Head to the electric panel and locate the water heater circuit. I guess the PA error code is a air conditioner related fault code. 1. This may also be the ideal time to perform a bleed-over which requires the cold water supply valve to the water heater to be turned off. There are different reasons for why the water would flow through the water heater, but nothing actually occurs, specifically, that the water is not heated. Should the heat exchanger keep a temperature of 207 F for a period of longer than 15 seconds then error code 15 may occur. You may need to ensure that the inlet valve is completely open and there are no obstructions to the cold water inlet pipe. The Richmond Marathon water heater offers a LIFETIME warranty. The diagnostics become simpler since the Rheem tankless heaters use the electronic control board and advanced technology with an optional remote controller and control panel. Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. It will be better if you install the heat tape close to the exit to the main drain to get the best output. Other codes include F3 (for a problem with the thermostat), and P1 (for a pressure relief valve issue). If the venting system gets blocked by dirt, debris, or insects, the harmful gasses fail to go through the pipe. Your Rheem Tankless Water Heater will beep and show an error code if there is a problem with the unit. Finally, check for blockages in the inlet filter and combustion fan. Before you make a service call, this is a good time to check the thermistor wiring for any damage or the thermistor for a limescale build-up. It will be best to check the manual and use the fuel type recommended by the manufacturer. When this process is completed, your water will be murky, because of the limescale that has been removed. If this sensor is at fault, it will not send a signal to the computer, which starts the tankless unit. A communication error with the remote control can result in error code 76. The gas supply to the unit may be shut off or interrupted. For every 5 gallons, there should be 2 gallons and 3 gallons of water, Put you pump into the bucket and run it for 30-45 minutes, Make sure that power is turned on to the unit and circuit breaker is powered on, Make sure that the safety device on your unit is not activated resulting in the water heater not operating, Sometimes errors are caused as a result of communication fault instead of any particular issue with a component on the unit. [Fixed], Honeywell Water Heater Gas Valve Reset (How-To Guide), 15 Common Rheem Error Codes [Ultimate Guide], Rheem Tankless Water Heater Code 11 (Fixed), Top 5 Navien Tankless Water Heater Problems [Fixed], Whirlpool Duet Dryer No Power To Control Panel (Causes + Solutions). Check that the gas supply is working properly and that the gas pressure is ideal, as per the manufacturers recommendations. This particular error code could also be triggered due to the wrong altitude setting if you reside in a high-altitude environment. There should also be gas to the unit with the valves fully turned on and the unit itself should have the correct gas volume and pressure which can be checked by a specialist. Shows hot to verify blue flame by removing panel cover. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. Check to see if the breaker has been reset. If its incorrect, you should adjust it. Connect a jumper wire to the remote terminal on the printer circuit board and try powering on the water heater using the remote control. For the air intake, remove then clean the air inlet filter and clean both the heat exchanger fins and the combustion air fan. Info about all performed services, including dates. How do you clear the error code on a Rheem tankless water heater? document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); How to Reset Rheem Tankless Water Heaters, How Do You Troubleshoot a Rheem Electric Water Heater Rheem Error Codes, 5 Common Paloma Tankless Water Heater Error Codes, Common Electrolux Dryer Codes (E64, E65, E66, EF1, E91), F5E1 Maytag Washer Error Code? Once you repair the damaged wiring, run the hot water tap to see whether the unit works or not. In that article, we described everything that causes your water heater to trigger the error message 12. Rinnai fault code 11 - No ignition. If that doesnt fix the problem, you may need to call a plumber to take a look at your water supply line. Check that the vents are connected properly with no obstructions, the correct materials should have been used for the installation. By displaying a code on your tankless heater, you, or a professional, can read the code to understand what went wrong and how to fix it. Reason: Insufficient Heat Exchanger Temperature. A false flame being detected may also necessitate a service call, yet there are certain steps to take first. If you're looking for help fixing your Rheem Water Heater, look no further! In this guide, we will describe the common error codes this tankless water heater displays. Several reasons are responsible for the heater to throw this error message. Expert Tip: You should avoid electrolytic capacitors because its difficult to identify their polarities. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. })(); Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. If the temperature is insufficiently low on the heat exchanger then you should receive error code 29 on your mid-efficiency or condensing unit. Lastly, ensure the igniter wire harness is intact. 10 Common Reasons. When I can see a flame but the code displayed is Code 10, the problem is that the flame sensor is malfunctioning. Years of experience in the HVAC field have taught him many lessons, not the least of which is that the value of quality and knowledge far exceeds any promised initial savings. If your Rheem tankless water heater keeps shutting off, there are a few possible reasons why. The pilot light for the gas heater is blue; if it isn't, then probably there is an issue. By understanding these simple codes, you can keep an eye on your Rheem tankless water heater and make sure its always operating properly. 90% of the time, this troubleshooting step will help to eliminate the warning message from the control panel. c. Remove one ceramic heater plug. The disk capacitor across the remote control terminal should range from 7.5 to 10 microfarads. Check if the water inlet filter or fixture aerator is clogged and unblock it if it is. After cleaning the inlet filter, run the hot water only in the tap to check. Error code 79 should indicate that there is a problem with the current heading to the blower motor and you may want to do a service call. The good news is that you can prevent most of these defects by taking good care of your water heater. How to use diagnostic system and fix the problems using the error codes that appear on the remote controller. If your Rheem water heater is flashing white light, it shows that your pilot light is out and the water will still be cold. If it gets tripped, you can simply reset the unit. Every water heater venting system uses a duct or pipe. Reason: A false flame has been detected. If the water pressure is low, the water heater is making strange noises, and keeps on coming up with a variety of error codes then it may be time to replace it. If your Rheem tankless water heater has been running continuously for over an hour you should look to reset the system. When there is any problem with the unit, it will pop up an error code on the display. The circuit breaker for the unit may have tripped. Leave the unit for 2o minutes. Locate the flame rods on the front right side, Remove the rod by unscrewing the brackets that secure them to the burner, Clean them and screw them back into place. For this reason, you are best to check the owners manual for your device for an accurate, up-to-date list of codes. The water heater will trigger the error code E5 if there is too much water flow. If the problem persists, call a qualified technician for service. . This can be caused by a number of things, including a clogged filter or a problem with the water supply line. When this error code will pop up, understand there is no ignition on your tankless water heater. The second trick is to check for any blockage in the exhaust venting. Next, disconnect the wiring from the remote control and plug your water heater into an outlet. If you do not feel comfortable performing this yourself then you can contact a professional to do it for you. Increase the temperature on the remote if it is set too low. Obstructions could also result in error code 14 though if you cannot find one then consult a professional to troubleshoot the fault. Why Do You Feel Sticky After Swimming? This code indicates that the water heater is not able to properly heat the water. Code 11 means that the ignition system has failed. Performing regular maintenance on your Rheem tankless water heater should prevent error code 1L from occurring. If you dont get the appropriate voltage reading (8 to 16 VDC), you should replace the water control assembly. Call the service if none of the steps taken above works. Ensure that the vent pipes are connected to the vent termination and that the venting meets various requirements (such as lengths, diameter, the construction material). 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. If that does not work then you could confirm that the tankless unit is correctly grounded. There are a few things that could be causing this problem. RUR199iN - $2,900 - Nat Gas Compare at $3853 - SAVE $953; RUR199iP - $2,950 - Propane Compare at $3777 - SAVE $827 ; RU199iN - $2,600 - Nat Gas Compare at $3094 - SAVE $494 ; RU199iP - $2,600 - Propane Compare at $3033 - SAVE $433 Now, remove the filter and wash it to eliminate sediment jammed in the inlet that is producing problems. This code indicates that the unit is not getting enough water flow. Recalled Tankless Water Heaters - WebForm1 Recalled Tankless Water Heaters Paloma Rheem, Ruud, Rheem-Ruud and Richmond Brands Only the indoor power vent 199,900 BTU models are affected. Both error codes 80 and 81 suggest a problem with the gas cut-off valve. You can only use an electrolytic capacitor if you know its polarity. Knowing what each error code means can save you from having to make a service call and can give you peace of mind about how serious, or not so serious, the problem is. That being said, here are the most common codes and some potential fixes for each: Code 00 indicates that the water heater has been running without stopping for an hour. The cookie is used to store the user consent for the cookies in the category "Analytics". The specific codes might also differ slightly depending on your specific model of Rheem. No spam, we promise. Find the most common problems and see how to fix issues. If you get the voltage reading, take another measurement at connector B between the White#2 and White#8 wires. Your water heater will flash this error message on the control panel due to: Firstly, determine whether there is a problem with the remote control wiring or the remote control itself. Turn off you recirculation pump if your unit is connected to one. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below.
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