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This is relatively simple and can just mean shutting off all your hot water faucets. 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? Some simple issues can result in the water flow being low and you should be able to solve them yourself. If you dont get this reading, you must replace the PCB. To resolve this false flame issue, start by resetting the unit. Bath. No spam, we promise. First off, make sure there is enough fuel in your gas tank. Never had a problem or leak. Otherwise, you need to change the PCB. These two, if work out of order, can cause improper combustion inside the machine. Performing regular maintenance can also save you from having to solve any problems from occurring in the first place such as cleaning the filters, the air fan, and the heat exchanger fins. Improper fuel type, rusty or defective heat exchanger, and faulty Molex connector are some caveats responsible for triggering this error code. It is also known as flue or chimney, which expels exhaust gasses out of the house. To resolve the issue, try the following steps: Turn off the power to the water heater for 10 seconds and then back on. Any help you could provide or resource you can point me to would be greatly appreciated. Once you clean or change the blower motor, follow the steps in reverse to reinstall the blower motor. Now, remove the filter and wash it to eliminate sediment jammed in the inlet that is producing problems. These can include checking for damage to the thermistor wiring and to check the thermistor for the right number of ohms. Try plugging the unit into a different outlet. Save my name, email, and website in this browser for the next time I comment. If there are air flow restrictions surrounding the unit or obstructions at the vent terminal then this could also result in an error code 34. See if the fins on the heat exchanger are dirty and clean as necessary. Care Tips for Rheem Tankless Water Heaters, Rheem On Demand Water Heater Troubleshooting Quick Fixes, Excel Tankless Water Heater Troubleshooting (Complete Guide), Eternal Tankless Water Heater Troubleshooting (Complete, Furrion Tankless Water Heater Troubleshooting (Complete, Atwood Water Heater Troubleshooting Guide, A.O. Secondly, take your eyes on the heat exchanger to see whether it gets dirty or not. All rights reservedDisclaimer:The content published on is not professional advice. Code 02: This means that the water heater is actively heating water. You may even want to take out the flame to check it and clean it with some steel wool. Every Rheem tankless water heater, either non-condensing or condensing, utilizes the computer board to monitor the heating process, adjust the parameters, and help troubleshoot the potential problems. Once your have your parts together, here are the steps to descale the water heater. When you witness a problem with your Rheem tankless water heater, be sure to relate to the companion over. Apart from these, defective combustion systems, problems with the main burner or pilot, and faulty motor are other culprits responsible for throwing this error code. After cycling the unit if you notice any remaining flame through the view window, I bet the gas control assembly is the culprit. If you have a Rheem tankless water heater, you may be wondering what all the codes on the control panel mean. It represents a water protection fault at the indoor unit. In rare cases, Rheem tankless water heater code 76 may indicate a problem with the filter capacitor. The inlet water pressure may be too low. LPG users check Propane bottle level. A false flame can be attributed to the flame rod (or rods) touching the flame whenever the unit fires. Lets get started! Every water heater venting system uses a duct or pipe. The button must be held down for 3 full seconds in order for the reset to occur properly. Clogged condensate neutralizer. If you have a Rheem tankless water heater, you may have received a code 13 error. Check if the water inlet filter or fixture aerator is clogged and unblock it if it is. 36kW Tankless Electric Water Heater (240V / 4 Heating Chambers) $911.37. Rheem tankless water heaters use a condensing technology to offer continuous hot water without the use of a large water tank. See if the air inlet screen is dirty and clean as necessary. Am I right? This is largely because the Rheem tankless water heater is not specially designed for continuous running along with a circulation system. Check for an operational igniter and for any damage to the igniter wiring harness. 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. From the bottom of the unit, take out two screws that hold the computer bracket in place. Water volume control fault is what error code 65 indicates. First, check to make sure that the water supply to the unit is turned on and that there is adequate pressure. Press and hold the reset button for three seconds, then release it. Just turn off the water supply valve to slow down the flow. This error can be checked via two methods; checking that the front panel is installed properly and that the air filter door looks to be sealed correctly. Understanding Noritz error codes and troubleshooting Noritz water heaters. When this error code will pop up, understand there is no ignition on your tankless water heater. 90% of the time, this troubleshooting step will help to eliminate the warning message from the control panel. There are further elements that you can check including that the inlet water supply filter is clean. The alarm sounds every 60 seconds when the tap is open. The Rheem tankless water heater code 76 may be caused by a defective remote control, faulty remote control wiring, or a faulty filter capacity. The most common Rheem codes are found here on Rheems official website (click on the first drop-down FAQ section). 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. Again, check for leaks and blockages and ensure all connections are tight. There may also be foreign material or obstructions in the burner chamber so check that there are no blockages for the flame at the flame rod (or rods). Over heating. Connect a jumper wire to the remote terminal on the printer circuit board and try powering on the water heater using the remote control. A similar problem can be the outlet water temperature being beyond the remote thermostat setting. Save my name, email, and website in this browser for the next time I comment. If they get blocked by dirt, debris, and carbon buildups, this may cause a problem with the combustion. Finally, ensure the Molex connector is in good condition. 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. You may need to ensure that the inlet valve is completely open and there are no obstructions to the cold water inlet pipe. So, keep reading. Rheem offers several water heating solutions, and this article will focus on its line of tankless water heaters. For a condensing unit, confirm that the drain line is not blocked, and the shipping cap is removed. Before you make a service call for error code 51, check for any loose/damaged terminals on the wiring harness for the gas control valve. An example of data being processed may be a unique identifier stored in a cookie. I am glad to help. [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). I guess the PA error code is a air conditioner related fault code. Dont forget to release the blockage if needed. Unplug the unit from the power outlet on the wall. Performing regular maintenance on your Rheem tankless water heater should prevent error code 1L from occurring. Use a paperclip or similar object to press and hold the reset button for 3 seconds, then release it. Every Rheem tankless water heater, either non-condensing or condensing, utilizes the computer board to monitor the heating process, adjust the parameters, and help troubleshoot the potential problems. Code 03: An error code that indicates there is a problem with the gas supply to the unit. Checking the main burner and cleaning it will also worth it. But this task requires a lot of elbow grease. Your email address will not be published. We broke down everything that will help eliminate the error message from the control panel. 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. } When the ODS gets activated, your tankless water heater will trigger the error code 13. 2. Rheem is a trusted American appliance brand that is close to 100 years old. Inspect the venting system for any blockages. In that article, we described everything that causes your water heater to trigger the error message 12. Your tankless water heater will display this wrong message if the venting system fails or doesnt work properly. 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. Replace the combination gas control (thermostat). The water temperature on the remote control is set too high. So, follow the troubleshooting steps we mentioned to clear the error message. That may be the cause but it could also be due to a clogged neutralizer on the condensing unit and you can clean the air inlet screen and the heat exchanger fins. If the heater functions well, then there is an issue with the remote control. There may be a fundamental issue with your control board that it is not programmed properly or that the wrong gas type has been entered. Quantity Add To Cart. Water can corrode your water heater and result in tiny fractures or cracks that will inevitably lead to a leak. What causes water hammer in a house and what makes pipes to vibrate and make banging, ticking and popping sound? 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. Another fault could occur with your ambient thermistor which is the combustion air temperature sensor. Turn off the power to the unit at the breaker box. Check the number 11 where I break down the error code 61. Replacing the remote control may solve the code 76 issue and restore communication between the two components. Visit Document Before you try anything else, reset your Rheem water heater. Code 11 means that the ignition system has failed. Tank sizes range from 15 gallons to 105 gallons to fit any household need. A list of AO Smith tankless error codes for easy and inexpensive troubleshooting. 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. The neutralizer drainage ports should be clear and the neutralizer drainage line (see also 7 Awesome Tips For Sewer And Drainage Line Cleaning) outside the unit must be clear too. I have noticed that this problem occurs when the flame rods are dirty and needs to be cleaned. You could ohm out all the solenoid valves, inspect the flame rods for the correct voltage, or even replace the gas control valve altogether. If the issue persists, it could be due to a clogged filter or sediment buildup in the unit. This could be due to a faulty thermostat or an obstruction in the exhaust vent pipe. The gas solenoid valves should also be in decent condition though they may be open or have short-circuited. On the other hand, if you can't turn on the unit, we bet the remote control gets defective. 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. Consequently, this affects the communication between your remote control and the water heater. These codes can be confusing, but they usually indicate a simple problem that can be easily fixed. An error code E4 on your Rheem Tankless Water Heater indicates that the flow meter sensor gets faulty. In this case, you must replace the gas control assembly. Now, try to turn on your water heater using the remote control. In order to let your water heater run again, just switch it off at the breaker and then back on at the On position. Several reasons are responsible for the heater to throw this error message. Lastly, check the fan motor for proper operation. We turn unit off for 5 minutes and then turn back on each time C7 appears. As a second-generation plumber, it was easy for Anthony to get used to the technicalities of all from a tender age, Table Shower Ultimate Guide (Must Know Secrets), 3 Ways to REMOVE PVC Pipe From a FITTING (Video Review), AO Smith Tankless Error Codes: Problems And Troubleshooting, Where You Can Find Current Information For Your Rheem Tankless Water Heater, The Error Codes On A Rheem Tankless Water Heater. You will see a number that is flashing on the display, which will be accompanied by a beeping sound. [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). 7 Awesome Tips For Sewer And Drainage Line Cleaning, how to match wires size with circuit breaker, Hybrid Water Heaters: Everything You Need to Know. Your water heater is the backbone of all you do inside the house, like doing chores, practicing good hygiene, and taking advantage of essentials that use hot water. See how to troubleshoot the flame failure, not enough, no hot water . Water Heater Showing Yellow Light. Again, inspect the thermistor wiring for any damage and this is an ideal time to check then clean the ambient thermistor itself and perform a check for the correct number of ohms. Solution: Make sure that the hot water tap is open enough to provide at least the minimum required water flow. If the water doesnt flow, we recommend you increase the flow rate. If fault re-occurs book service call. If you are still having trouble after trying these steps, then you may need to call a professional for help. See if there is anything blocking the air vent on the device. Rheem Water Heater Blinking White Light. If the remote control works, we bet the wiring is at fault. The specific codes might also differ slightly depending on your specific model of Rheem. Info about all performed services, including dates. The wiring may become loose or corroded over time, hindering communication between your remote control and the water heater. For instance, the exhaust cannot be recirculated back into the units fresh air intake. More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. Remove any obstructions and try again. Error Code E1: This code indicates that there is insufficient water flow to the unit. Next, check the resistance of the heat exchanger thermistor. Also, dont forget to check the breather box for debris and use a vacuum cleaner or a lightly damp rag to clean the box. Check out advanced features for eco-friendly and cost-effective water heating. The unit will throw the error code e51 if the gas inlet solenoid valve is at fault. Reason: Current fault with the Blower Motor. 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. After cleaning the inlet filter, run the hot water only in the tap to check. Close hot tap, cycle power on and off at GPO and open hot tap again. If its dirty, clean it out according to the instructions in your owners manual. Make sure all of the above components are properly installed and secured before trying to use your Rheem tankless water heater again. . Finally, check for blockages in the inlet filter and combustion fan. There may also be loose or damaged connections attributed to the motor wiring harness that could be the true cause of the error code. Nov 16, 2014 Rheem Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm Again, there should be no obstructions to the airflow and the vent terminal should be clear. From this chapter, you can learn about the most common error codes the tankless water heater shows. Unless you have an in-depth knowledge of water heaters, youre best to not risk making the situation worse. 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. Remove the access panel from the front of the unit. 3 Common Causes (and How To, Troubleshooting Electrolux Dishwasher Error Codes, 5 Common Problems with Camplux Water Heaters. It's best to encompass your troubleshooting to the first and second tricks, which are: Rechecking whether the exhaust venting and the air intake is working properly. What Is The Most Common Problem Associated With A Water Heater? Protect Your Home u0003With Mobile Leak Alerts. Next, check the incoming water pressure to make sure it is within . Smith Water Heater Troubleshooting Guide, 5 Common Problems with Camplux Water Heaters, Rheem Tankless Water Heater Code 29 (How to Troubleshoot), Rheem Gladiator Leak Sensor Reset Fixed, Rheem Water Heater Pilot Light Wont Light, water heater produces harmful gasses like, [Fixed] Rheem Tankless Water Heater Code 12, Hot Water Heater Calcium Removal [How to Guide], Samsung Washer SUD Code but no SUDs? Your Rheem tankless water heater will trigger the P1 error codes if there is a lack of sufficient water flow to activate the unit. This error indicates that there is a problem with the water heaters combustion chamber. The above list of Rheem tankless error codes might help you troubleshoot the problem successfully, but if you cannot solve it, you cannot find the code here, or it is hard to fix the unit, I would recommend calling a professional. Man Tips! To learn more about error code 14, read this in-depth guide. Also how to clean the inlet water filter. You should also check that the fan motor looks to be working properly. The voltage should be 8 to 16 VDC. If your Rheem tankless water heater has been running continuously for over an hour you should look to reset the system. E5 on a Rheem Tankless Water Heater means there is a high flow rate. If the problem persists, call a qualified technician for service. If you find any, clean them out so that air can flow freely. The several inches of foam insulation give it up to 0.93 uniform energy factor. A false flame being detected may also necessitate a service call, yet there are certain steps to take first. Call the technician. Check that the gas supply is working properly and that the gas pressure is ideal, as per the manufacturers recommendations. Try resetting the device, and if that doesnt fix the issue, its best to have a professional address the situation. However, both codes would only be displayed on a condensing tankless water heater. If nothing works for you, I suspect the PCB is the culprit. In general, here are some additional things to check in order as you evaluate the issue with your unit. Nonetheless, freezing weather can also block up the neutralizer drainage system. The fan motor should also have the right voltage and may be water damaged due to condensation. Call the technician because the water heater is overheating. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. You could check the power and if the unit is actually plugged in which is a good idea after a tripped or turned off circuit breaker (see also our guide on how to match wires size with circuit breaker ). However, even the best tankless water heaters sooner or later may stop working or be affected by other Technicial Manual SVC810 Second GenerationPV, X and DV, RTG2-42, RTG53, RTG66 and RTG74.pdf. If your Rheem tankless water heater is displaying error code 11, it means that the unit is not getting enough air. 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 . A new remote control should facilitate communication and solve the Rheem code 76 error. This particular error code could also be triggered due to the wrong altitude setting if you reside in a high-altitude environment. So, lets get started right here. If it doesnt erase the error message, fix the issues that cause the heater to pop up the error code. One potential reason is a defective remote control. One such problem is the H103 error code. You can confirm if the filters capacitor is at fault by checking the water heaters control board. Another problem that might occur when the water flow is reduced is the excessive temperature of the heat exchanger. Then, locate the two terminals connected with the remote control. A faulty capacitor is usually the problem if the error code 76 flash persists after fixing the above two issues. If you do think that there are obstructions and foreign objects then they may be in the combustion chamber, the exhaust piping, the vent terminal, or preventing sufficient airflow from coming into the unit itself. To fix this issue, you need to slow down the flow rate. For this reason, you are best to check the owners manual for your device for an accurate, up-to-date list of codes. Hi there, i am Eugene - an experienced HVAC / appliance technician. Loose remote control wiring or the remote control itself gets defective. Error code 99 can indicate that there is a blocked flue fault that is causing the blower motor to be unable to vent. You can confirm if the remote control is the problem by disconnecting the remote control wiring on the PCB board. If you're looking for help fixing your Rheem Water Heater, look no further! If done correctly, you should hear a click when you release the button. If this drainage system gets clogged, your tankless water heater will flash the error code 29 to prevent the burner from being flooded. Other codes include F3 (for a problem with the thermostat), and P1 (for a pressure relief valve issue). 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.