The venting should also be adequately sealed and you may want it inspected by an expert. What Is The Most Common Problem Associated With A Water Heater? Afterward, take out these two screws from the top of the computer board. Connect a jumper wire to the remote terminal on the printer circuit board and try powering on the water heater using the remote control. Error code 76 on Rheem Tankless Water Heater is an indication of faulty communication with the remote control. One such problem is the H103 error code. Use a paperclip or similar object to press and hold the reset button for 3 seconds, then release it. Check that the gas supply is working properly and that the gas pressure is ideal, as per the manufacturers recommendations. Initially, fine-tune the water flow or temperature. Read reviews and complaints about Rheem Water Heaters, detailing commercial services, tankless heaters and more. Try plugging the unit into a different outlet. Whichever issue it is, your unit will likely still be operating and you can solve the error yourself. We don't tend to provide any plumbing advice or any advice that should come from a certified professional. 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. The button must be held down for 3 full seconds in order for the reset to occur properly. Check if the water inlet filter or fixture aerator is clogged and unblock it if it is. Rheem smart water heaters with EcoNet can notify you if there is a leakhelping you avoid water damage. Another fault could occur with your ambient thermistor which is the combustion air temperature sensor. Inspect the gas valve wiring harnesses for loose or damaged terminals2. Resetting a Rheem Tankless Water Heater: Ultimate Guide, [Fixed] Rheem Tankless Water Heater Code 12, Hot Water Heater Calcium Removal [How to Guide], Samsung Washer SUD Code but no SUDs? If that does not work then you could confirm that the tankless unit is correctly grounded. If you encounter an code, it will be displayed on your Rheems digital thermostat display. Reason: Air Intake Filter Switch Malfunction. Begin with cleaning the air inlet filter. Join our exclusive 2,500+ email list to get tailored advice, product roundups, and be the first to see our new content. If the problem persists, call a qualified technician for service. If the unit comes on, the wiring of your remote control is at fault. If you are having trouble with your Rheem water heater, it is best to consult the owners manual for troubleshooting tips, or to contact a qualified technician for assistance. . Knowing that the ignition has failed is straightforward enough yet finding out why can prove difficult. No spam, we promise. You can use 100-grit sandpaper to remove the carbon buildup from the flame rods. Otherwise, you should replace the water flow sensor. })(); Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. There are many error codes on a Rheem tankless water heater (see also Rheem Water Heater LeakingWhat To Do?) and their reasons differ vastly. 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. A communication error with the remote control can result in error code 76. If its empty, dont forget to fill it with gas. WaterHeater HUB 2021 - All Rights Reserved. Begin with slowing down the flow rate of your water heater. As a basic inspection, start with verifying that there is water flow through the unit. There could also be loose or damaged connections on the wiring harness for the gas control valve which could set off error code 71. Also, turn the gas shut-off valve to stop the gas supply to the unit. Your tankless water heater will display this wrong message if the venting system fails or doesnt work properly. You could ohm out all the solenoid valves, inspect the flame rods for the correct voltage, or even replace the gas control valve altogether. You can find a full list of error codes here. Take the front cover off. Over heating. See whether its correctly installed and whether its functioning properly. Attach the remote control to the tankless unit with a different wire. Ignition failure at start up. Step 1 and 3 plus b. In this case, check the followings: 1. A false flame can be attributed to the flame rod (or rods) touching the flame whenever the unit fires. Error code 35 should require you to inspect each of the thermistor connections to the control board as they should all be securely connected. You could also check the outlet thermistor, heat exchanger thermistor, and the gas valve are all in good working order. However, if you are mechanically inclined, keep scrolling. Try resetting the device, and if that doesnt fix the issue, its best to have a professional address the situation. Copyright. My condensing tankless unit has been in service now for about 9 months and I recently got the "1L" code to descale. See the symptoms of How to fix water hammer problem in pipes. Err07, 08, 09 - RHW42 model only, this indicated a problem with the water shutoff valve. 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 ). To erase the error code 13, start with cleaning the dirty flame rods. The most common cause of this problem is a build-up of soot or debris in the combustion chamber. This fault may be caused by blockages to the heat exchanger, limescale build-up, or even a combination of the two. [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). Of course, dont hesitate to replace the blower motor if it gets broken. Among the common error codes is code 76, a sign of a problem with your water heater. As soon as you spot an error code on your Rheem tankless water heater you may begin to panic as to what it means. on: function(evt, cb) { Rheem tankless water heaters provide water on demand. Doing this will ensure that theres enough oxygen for proper combustion. In a worst case scenario, you may need to replace the control board. need to install plumbing. IN STOCK. Open the hot water faucets in your home and if there is a steady flow of water from those faucets then you may have a bleed-over problem which would require a service call. 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. Check the gas pressure; it might be too low, or the gas valve is not fully open. Then, inspect the heat exchanger fins for a clog and release the buildup. window.mc4wp = window.mc4wp || { In general, here are some additional things to check in order as you evaluate the issue with your unit. Remove the panel cover and locate the reset button behind the insulation. The Rheem tankless water heater allows you to access instant hot water. The specific codes might also differ slightly depending on your specific model of Rheem. In order to let your water heater run again, just switch it off at the breaker and then back on at the On position. Next, check the resistance of the heat exchanger thermistor. If its incorrect, you should adjust it. Several reasons are responsible for the heater to throw this error message. 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. It will not rust. Error codes are never a pleasant site, but theyre designed to make your life easier. Before testing a hot water source, you must ensure that all connections are properly secured. You may even want to take out the flame to check it and clean it with some steel wool. I am glad to help. In other cases, the error arises from a complex problem like a defective filter capacity. In this guide, we will describe the common error codes this tankless water heater displays. 12. An example of data being processed may be a unique identifier stored in a cookie. If the heater functions well, then there is an issue with the remote control. You can also check that the ohms are correct though your sensor may need to be replaced. The alarm sounds every 60 seconds when the tap is open. If needed, clean the inside of this motor. 3. To fix this issue, you need to slow down the flow rate. Besides, faulty water control assembly is another reason responsible for flashing the error code 65. If your Rheem tankless water heater is displaying error code 11, it means that the unit is not getting enough air. 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. Check the igniter itself to ensure it is working, including how it was wired to the device. Please select accurately so we can provide you with the best service providers in your immediate vicinity. Check the venting on the device for any blockage and clear as necessary. There are over 30 codes possible on Rheem devices. Resetting your tankless water heater will help you clear the error code from the control panel. Your email address will not be published. Check the air inlet filer and clean as required. In the past 2 weeks, its beeped at me and the remote thermostat shows a code of 11 when i turn the hot water on. Check the air filter. 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. If needed, replace it with a new one. Here are some steps you can take to troubleshoot and fix the problem: Did not see that error code here. { You could increase the flow rate or simply adjust the temperature though if all of these potential solutions fail then there may be a problem with the water flow sensor itself which needs to be replaced. If its dirty, replace it with a new one. Also, dont forget to check the breather box for debris and use a vacuum cleaner or a lightly damp rag to clean the box. The consent submitted will only be used for data processing originating from this website. 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. Inspect the venting system for any blockages. So, follow the troubleshooting steps we mentioned to clear the error message. Search. We and our partners use cookies to Store and/or access information on a device. Shut off the water heater by unplugging it, Open the end caps on the valves and attach the hoses to them, Fill a bucket with water and add vinegar to it. Error Code E3: This code indicates that the temperature of the outgoing hot water is too high. 1. Remove any obstructions and try again. . The inlet fuses to the power supply should also be in working order and ensure that the hot and cold water lines are not crossed following the installation. This can happen when there is insufficient gas supply to the tankless unit or a faulty ignitor coil. We recommend you check for a broken wire or poor electrical connection. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! If your Rheem tankless water heater keeps shutting off, there are a few possible reasons why. Consequently, this affects the communication between your remote control and the water heater. Besides, we will also depict those reasons that trigger the error messages and provide the solutions as well. Reason: Insufficient Heat Exchanger Temperature. 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. 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. Rheem tankless water heaters have many error codes that make it challenging to pinpoint the exact cause of each error. By understanding these simple codes, you can keep an eye on your Rheem tankless water heater and make sure its always operating properly. 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. Increase the temperature on the remote if it is set too low. Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. If nothing works for you, I suspect the PCB is the culprit. Check the pressure and adjust it accordingly. } . Secondly, take your eyes on the heat exchanger to see whether it gets dirty or not. This code is known as the continuous combustion fault. forms: { Locate the reset button inside the control panel. If done correctly, you should hear a click when you release the button. The most common codes include Codes 5, 11, 13 . Just release blockage from those components to get the ODS thermocouple back in the working condition. If you find any, clean them out so that air can flow freely. To resolve this false flame issue, start by resetting the unit. If using propane gas, make sure that the propane tank has enough gas. However, there is also another meaning of the error code 29. A false flame being detected may also necessitate a service call, yet there are certain steps to take first. Heres how to do it: This should allow the device to fully reset itself, and you might find the error code has magically disappeared. A fault with the water inlet temperature sensor would result in error code 31 and you may want to check certain elements of your Rheem tankless water heater yourself. Again, there should be no obstructions to the airflow and the vent terminal should be clear. I have just updated this article as per your request. 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. Again, check for leaks and blockages and ensure all connections are tight. If checking that the fan blade is tightly fitted on the motor shaft and spinning freely does not work then you may want to replace the sensor. Check to see that nothing is blocking the flue inlet exhaust or fan. Watch the following tutorial to learn how to replace the water flow sensor. If youre getting an error code 76 on your Rheem tankless water heater, it means that the unit is not receiving enough water flow. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. Troubleshooting John Wood tankless water heaters. . Double-check that the exhaust venting and air intake are both installed properly and look to be in good working order. The flame rod wire should be connected and it should be free of any carbon build-up. If it doesnt erase the error message, fix the issues that cause the heater to pop up the error code. The neutralizer may need to be replaced and if it does then error codes 92 and 93 may be set off. Error Code 29 indicates that the temperature is too low on the heat exchanger. If you encounter this, heres what you can do: These are the most common error codes, as well as the most common fixes for said codes. Solution. I guess the PA error code is a air conditioner related fault code. If you suspect either of these issues, contact a qualified technician for service. It will be better if you install the heat tape close to the exit to the main drain to get the best output. 5. More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. Clogged condensate neutralizer. There are further elements that you can check including that the inlet water supply filter is clean. Then, remove the front access panel. So, if you dont think you are up to the task, consult a professional. This particular error code could also be triggered due to the wrong altitude setting if you reside in a high-altitude environment. For the air intake, remove then clean the air inlet filter and clean both the heat exchanger fins and the combustion air fan. These can include checking for damage to the thermistor wiring and to check the thermistor for the right number of ohms. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. Turn on the power to the unit at the breaker box, and wait a few minutes for it to heat up before using it again. Before you do ask for extra help, find out what the error code means and you may be able to solve it without making a service call. Just like error code 65, you should also inspect the tankless water heater for any loose or damaged connections on the wiring harness of the water bypass valve. Also, make sure that there are no plumbing or technical problems such as crossovers. Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. Improper fuel type, rusty or defective heat exchanger, and faulty Molex connector are some caveats responsible for triggering this error code. What causes water hammer in a house and what makes pipes to vibrate and make banging, ticking and popping sound? If fault re-occurs book service call. 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). This number indicates the you are dealing with. If you have a Rheem tankless water heater, you may have received a code 76 error. Learn how to inspect and replace a water heater dip tube and solve the problems related to not enough hot water or sediment buildup. 10 Common Reasons. Your email address will not be published. Head to the electric panel and locate the water heater circuit. Shows hot to verify blue flame by removing panel cover. There may also be loose or damaged connections attributed to the motor wiring harness that could be the true cause of the error code. If your Rheem electric tankless water heater needs to be reset, follow these steps: If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. Then, reset the Rheem tankless water heater again. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Read More Propane Heater For Bed BugsContinue, Read More How Much Propane Does A Tankless Water Heater UseContinue, Read More Propane Vs Electric Water HeaterContinue, Read More Top 10 Best 80 Gallon Electric Water Heater (2022 Latest Price)Continue, Read More Top 10 Best 20 Gallon Electric Water Heater For 2022 (Buying Guide)Continue, Read More Best electric tankless water heater for rvContinue. The filter capacitor may become clogged and damaged over time, hindering its capacitance capability. Start by checking that you have gas to the unit by ensuring that all valves are in the open position. We recommend you check out this in-depth guideline on Rheem Tankless Water Heater Code 11. 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. Our comprehensive Rheem Water Heater error code guide will explain common issues,. Why Does My Stiebel Eltron Tempra High-limit Switch Keep Tripping? Therefore, our top advice is that you contact a professional plumber when you see an error code. How do you clear the error code on a Rheem tankless water heater? If the temperature is insufficiently low on the heat exchanger then you should receive error code 29 on your mid-efficiency or condensing unit. 1. Heres a quick guide to help you understand what each code means and what you should do if you see one: 36kW Tankless Electric Water Heater (240V / 4 Heating Chambers) $911.37. event : evt, If you fail to start the water heater after replacing the remote control or its wiring, we are 100% sure the culprit is the PCB or control board. This is relatively simple and can just mean shutting off all your hot water faucets. Remove the access panel from the front of the unit. Also, inspect the flame rod electrodes and clean them. Unless you have an in-depth knowledge of water heaters, youre best to not risk making the situation worse. Error code 12 means your tankless water heater fails to detect the flame. Lastly, ensure the igniter wire harness is intact. I was told to check the flue, gas, is it plugged in, who installed it. 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. Understanding Noritz error codes and troubleshooting Noritz water heaters. Cause: The water heater and its burner doesn't get enough gas. If there are none, check the exhaust and inlet flue for any blockages. I can turn it off and leave off for a while 30 minutes or so, then turn it back on and it'll work for a day or so. Water Heating. Press it inwards until it clicks in place and then releases. If it has flipped off, flip it on. Flame failure during operation. If not, continue reading. If its too low, the unit wont work properly. And lastly, check out the burner manifold pressure. The repair guide provides info on how to deal with the heating problems. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. Phase #1: Start by turning off the power supply to your water heater. Water Heater Showing Yellow Light. However, even the best tankless water heaters sooner or later may stop working or be affected by other It will be best to check the manual and use the fuel type recommended by the manufacturer. Find the most common problems and see how to fix issues. However, like any appliance, they can sometimes experience problems. What does E4 mean on a Rheem tankless water heater? 13 Common Rheem Tankless Water Heater Error Codes, 11. ); Reason: Remote Control Communication Fault. What Are The Signs To Look Out For In A Failing Water Heater? If your Rheem tankless water heater has been running continuously for over an hour you should look to reset the system. You can also try shutting off the water and then disconnect the remote control. According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. You may also want to ensure that the altitude settings are correct for your location. Ensure the condensate flow is free of dirt, debris, and buildups. This error indicates that there is a problem with the water heaters combustion chamber. If this doesnt work, your next step is to check the gas valve wire connections to ensure they are secure. 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. 2. Also, this warning message indicates that the unit has detected a false flame. 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. A Rheem tankless water heater should last 15 to 20 years, and potentially longer with proper maintenance and a water supply that doesn't contain too many minerals. Loose connections may still result in the code 76 error. 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. 1. Follow the descaling procedure to remove the scale build-up in the heat exchanger (there should be an error code). E5 on a Rheem Tankless Water Heater means there is a high flow rate. A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. It may be the case that both the fan motor and the control board need to be replaced. Next, access maintenance information to determine the flow rate. Call for service when your unit is showing this code. Loose remote control wiring or the remote control itself gets defective. There should definitely be no obstructions for the exhaust termination and flue inlet, check that both have the right amount of clearance space too. We also break down how to clear those error codes from the display. Aside from a defective remote control, faulty wiring may also lead to the Rheem tankless water heater code 76 error. A faulty capacitor is usually the problem if the error code 76 flash persists after fixing the above two issues. Rheem offers several water heating solutions, and this article will focus on its line of tankless water heaters. E4 on your Rheem tankless water heater indicates an issue with the flow meter sensor. Summary of Contents for Rheem RTGH-RH10DV. Check out advanced features for eco-friendly and cost-effective water heating. Tankless water heaters generally last considerably longer than a tank-type heater, as they don't hold corrosive water for prolonged periods. A false flame being detected may also necessitate a service call, yet there are certain steps to take first. Rinnai fault code 10 - Air supply or exhaust blockage. Reviewing ultra efficient Navien water heaters utilizing condensing and tankless technology. Other codes include F3 (for a problem with the thermostat), and P1 (for a pressure relief valve issue). 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. Have a different tankless water heater brand that needs troubleshooting? This is another fault that you may want to check with a professional. 14. 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. Often, understanding how to rectify each error code requires an understanding of how the device works as a whole and how each part works together. Call the technician because the water heater is overheating. local codes.The water heater requires 120 VAC/60Hz Visit Document Water volume control fault is what error code 65 indicates. Now, try to turn on your water heater using the remote control. Have a Rheem RTG 74 DVP 1 tankless water heater that showed code C8 first and now shows C7 about every 24 hours. See how to troubleshoot the flame failure, not enough, no hot water . Explore More on homedepot.com. What part of Australia are you from? See if the fins on the heat exchanger are dirty and clean as necessary. NOTE: Because these are potentially hazardous areas, dont attempt to fix a Code 11 unless you are a professional. Learning the error codes of your Rheem tankless water heater may seem exhaustive yet can prove to save you money. In my experience, in most cases, it is a false flame code because when I look through the site glass, the flame is still visible.