On the other hand, you should get a neutralizer kit and install it on your water heater if the neutralizer drainage fails. If nothing works for you, I suspect the PCB is the culprit. Water volume control fault is what error code 65 indicates. Specifically, error code 92 would display when the water heater is continuing to operate and is a warning to replace the neutralizer soon. Reason: A false flame has been detected. Ignition failure at start up. Also, we broke down the troubleshooting steps to clear the message. If the problem persists, call a qualified technician for service. Every water heater venting system uses a duct or pipe. Step 1 and 3 plus b. The circuit breaker for the unit may have tripped. (24 hours) C read more Solution: Make sure that the hot water tap is open enough to provide at least the minimum required water flow. Here are some care tips for Rheem tankless water heaters: Rheem tankless water heater code 76 may be due to a simple issue like a loose remote control wiring. Remove the access panel from the front of the unit. One potential reason is a defective remote control. In general, here are some additional things to check in order as you evaluate the issue with your unit. However, like any appliance, they can sometimes experience problems. 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). . Pipe dope may also cause a blockage inside the water flow control turbine. Am I right? Make sure that the fan motor is operating properly. This can be caused by a number of things, including a clogged filter or a problem with the water supply line. A tankless water heater is a complicated device. A similar problem can be the outlet water temperature being beyond the remote thermostat setting. If you find any, clean them out so that air can flow freely. It will be best to check the manual and use the fuel type recommended by the manufacturer. NOTE: Because these are potentially hazardous areas, dont attempt to fix a Code 11 unless you are a professional. A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. Once you repair the damaged wiring, run the hot water tap to see whether the unit works or not. 2. c. Remove one ceramic heater plug. In that article, we described everything that causes your water heater to trigger the error message 12. Phase #1: Start by turning off the power supply to your water heater. LPG users check Propane bottle level. 1. 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. Consequently, this affects the communication between your remote control and the water heater. Also, make sure that there are no plumbing or technical problems such as crossovers. A defective or loose wire connection between the water control and the connector B on the PCB is the main culprit that causes your heater to pop up with this error message. During winter & freezing days, we recommend you insulate the drainpipe by using a heat tape. After cleaning the inlet filter, run the hot water only in the tap to check. 2. See whether its correctly installed and whether its functioning properly. Protect Your Home u0003With Mobile Leak Alerts. Checking the main burner and cleaning it will also worth it. Reason: Remote Control Communication Fault. Check to make sure all gas connections are tight and there are no leaks. If your water heater is old then you may want to pay more attention to the warning signs that it may be failing. The most common codes include Codes 5, 11, 13 . Check the pressure and adjust it accordingly. 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. On the other hand, if you have a direct connect, go to the circuit breaker and flip it down. If the unit comes on, the wiring of your remote control is at fault. The unit may be plugged into an outlet that does not provide enough power. The blower motor and flame rod FL-25 should also be checked. Alternatively, you can test each potential error and devise a suitable solution. When this process is completed, your water will be murky, because of the limescale that has been removed. These issues can include water leaks, that it runs out of hot water quickly, and suffers from an inconsistent water temperature. Therefore, our top advice is that you contact a professional plumber when you see an error code. There are a few different codes that can be associated with Rheem water heaters. 5. We recommend you read our in-depth guide on Rheem Tankless Water Heater Code 12. This can be due to a problem with your homes wiring or plumbing, or it could be an issue with the gas line itself. 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. The first thing you should check is the water pressure coming into your home. I am glad to help. The Rheem tankless water heater code 76 may be caused by a defective remote control, faulty remote control wiring, or a faulty filter capacity. })(); Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. Your email address will not be published. We recommend you check out this in-depth guideline on Rheem Tankless Water Heater Code 11. { Afterward, take out these two screws from the top of the computer board. Manage Settings Rheem is a trusted American appliance brand that is close to 100 years old. Never had a problem or leak. ); If you dont get this reading, you should replace the heat exchanger thermistor. Replace the combination gas control (thermostat). All Plumbers are screened, licensed, and insured. 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. They are dirty or defective flame rods, faulty ODS thermocouples, and incorrect burner manifold pressure. If you have a Rheem tankless water heater, you may have received a code 76 error. Loose remote control wiring or the remote control itself gets defective. Before testing a hot water source, you must ensure that all connections are properly secured. 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. That being said, customers have reported a much higher frequency of certain codes, which well cover here. Rheem ECO-180 LP by: Efren This water heater started to be a problem, 6 months after I bought it. There are a few things that could be causing this problem. It is also known as flue or chimney, which expels exhaust gasses out of the house. In this case, you must replace the gas control assembly. Do note that solving each code will require a comprehensive understanding of the technical details of a tankless water heater. There are a few things that could be causing this problem. 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. The wiring for the flame rod may also be damaged, and the flame rod needs to have sufficient voltage. Error codes are never a pleasant site, but theyre designed to make your life easier. Here faulty means either the blower motor itself gets defective or its housing gets clogged with dirt or debris. Find the most common problems and see how to fix issues. More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. All rights reservedDisclaimer:The content published on hotwatertalk.com is not professional advice. You can find a full list of error codes here. 3. Then, leave your water heater for 30 seconds in state of disconnected from the power source. However, you can also find a wealth of information from the owners manual which will be specific to your model of a tankless water heater. Thats all there is to it! Also, check that the vent terminal was installed properly on the device. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. You can only use an electrolytic capacitor if you know its polarity. 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. Filter FAQs by Category. Read Details: Rheem Tankless Water Heater Code 29. Code 01: This indicates that the water heater is in standby mode and is not currently heating water. The most common reason is that the water heater is not getting enough gas or electricity to stay on. There may also be blockages in the heat exchanger which should be removed. Among the common error codes is code 76, a sign of a problem with your water heater. Also how to clean the inlet water filter. If not, continue reading. If the igniter and the fan function but the main burner doesnt, we bet one of the gas solenoid valves doesnt work properly. As a basic inspection, start with verifying that there is water flow through the unit. All LED lit (1,2,3,A,B,C) This indicates there is a problem with the internal circuit. If yes, clean the heat exchanger. A false flame can be attributed to the flame rod (or rods) touching the flame whenever the unit fires. Confirming that the remote controls wiring is the issue before fixing it will save you resources and time. 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. 1. If you encounter an code, it will be displayed on your Rheems digital thermostat display. If its dirty, clean it out according to the instructions in your owners manual. Should you have a circulation pump installed, you can also turn that off or even remove it. I have installed many tank & tankless water heaters as I am a plumber. Replace the panel cover. 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. Otherwise, you should replace the remote control with a new one. RINNAI TANKLESS - Prices have dropped and there are decent deals to be had now!. need to install plumbing. We don't tend to provide any plumbing advice or any advice that should come from a certified professional. Finally, the heat exchanger should be checked to make sure that the fins, fan, and air intake all appear to be clean. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! We recommend you check the heat exchanger fins first for blockage. Required fields are marked *. I called the helpline and that's where the B.S. If your water heater is in a cold basement or garage, it may not reach this temperature unless you use a recirculating pump to bring warmer water from elsewhere in your home. There are over 30 codes possible on Rheem devices. Rheem hot water heater has low or no hot water flow. If you have a tankless water heater in your home, you may How Much Propane Does A Tankless Water Heater Use, Top 10 Best 80 Gallon Electric Water Heater (2022 Latest Price), Top 10 Best 20 Gallon Electric Water Heater For 2022 (Buying Guide), Best electric tankless water heater for rv. You may not need to contact a qualified specialist to take a look as the error codes can be troubleshot by yourself. To resolve this false flame issue, start by resetting the unit. Check if the water inlet filter or fixture aerator is clogged and unblock it if it is. There may be something blocking the inlet or outlet of the unit. If they get blocked by dirt, debris, and carbon buildups, this may cause a problem with the combustion. Otherwise, you need to change the PCB. Replacing the control board is the only solution to fix this water heater issue. 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. But like any other piece of technology, they develop faults. I guess the PA error code is a air conditioner related fault code. Rheem offers several water heating solutions, and this article will focus on its line of tankless water heaters. Finally, unplug the water heater, disconnect the remote control then plug the heater back in and test it without the remote control. Tankless water heaters generally last considerably longer than a tank-type heater, as they don't hold corrosive water for prolonged periods. The first thing you should do is check the filter and clean it if necessary. The consent submitted will only be used for data processing originating from this website. Rheem Water Heater Blinking White Light. Those error codes dont only help you understand the actual problem with the unit but also make it a breeze to fix them. According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. Your tankless water heater will display this wrong message if the venting system fails or doesnt work properly. You must use an authentic Rheem tankless water heater replacement capacitor for efficient operation. 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). } Leave the unit for 2o minutes. good stuff mate i have a rheem gas 871624pfj tankless it comes with code e 51 ,i turn unit off it clears error code and will work and stay working untill you stop using hot water then back to e51,cleaned filters ,still same any help pls. 5. Both error codes 80 and 81 suggest a problem with the gas cut-off valve. The filter capacitor may become clogged and damaged over time, hindering its capacitance capability. What Is The Most Common Problem Associated With A Water Heater? 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. Compare Now. Why is my Rheem tankless water heater beeping? With a full line of Rheem . Reason: Air Intake Filter Switch Malfunction. First, check for any debris around the burner assembly and clean it off if necessary. WaterHeater HUB 2021 - All Rights Reserved. You can confirm if the remote control is the problem by disconnecting the remote control wiring on the PCB board. As a concerned Rheem tankless water heater user, you may want to know what causes this error code and how to fix it. We will assume that the licensed plumber/installer professionally installed your Rheem tankless water heater. If they are then you may want to contact a specialist to take a look. This fault may be caused by blockages to the heat exchanger, limescale build-up, or even a combination of the two. Solution. Copyright. Shows hot to verify blue flame by removing panel cover. 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. The second trick is to check for any blockage in the exhaust venting. If your Rheem electric tankless water heater needs to be reset, follow these steps: Error code 76 on Rheem Tankless Water Heater is an indication of faulty communication with the remote control. How to troubleshoot Rheem tankless water heaters by using the service error codes chart. Learn More. 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. Obstructions could also result in error code 14 though if you cannot find one then consult a professional to troubleshoot the fault. This code indicates that the water heater is not able to properly heat the water. Begin with slowing down the flow rate of your water heater. This error indicates that there is a problem with the water heaters combustion chamber. One for the hot side and another for the cold side. . First, check to make sure that the water supply to the unit is turned on and that there is adequate pressure. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. The specific codes might also differ slightly depending on your specific model of Rheem. . Once confirmed, replace the faulty ignitor coil. Remove electrical connection box (single screw on outside left). Of course, dont hesitate to replace the blower motor if it gets broken. 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 . Just turn off the water supply valve to slow down the flow. Solution: If your tankless water heater is using natural gas, make sure that there is no interruption in gas supply from the distributor. 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. Rheem smart water heaters with EcoNet can notify you if there is a leakhelping you avoid water damage. Technicial Manual SVC810 Second GenerationPV, X and DV, RTG2-42, RTG53, RTG66 and RTG74.pdf. Water flow is below the minimum required. callback: cb And this is how the blower motor looks like: Inspect the blower motor for broken fins or dirt or debris that gets stuck inside it. Error Code E1: This code indicates that there is insufficient water flow to the unit. Use the error code guideline below to identify the problem, or. To check the remote control, unplug your water heater from electricity and pull out its cover. [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). Consult the guide and see whether you have a grasp on the problem indicated by the code. Reason: Too High Outlet Water Temperature. Check the venting on the device for any blockage and clear as necessary. 4. Secondly, inspect the exhaust vent or air intake pipe for a clog. First, check the exhaust and venting flue for any blockages. Again, check for leaks and blockages and ensure all connections are tight. If you dont get the appropriate voltage reading (8 to 16 VDC), you should replace the water control assembly. See an examplehow to descale a Bosch tankless heater. Next, inspect the ODS thermocouple to see whether it functions properly or not. Moisture can also build up in the water heater and the unit will also be connected to the plumbing system. The gas pressure to your water heater should range between 1.2- 3.5Kpa. From this chapter, you can learn about the most common error codes the tankless water heater shows. Check the air filter. The gas solenoid valves should also be in decent condition though they may be open or have short-circuited. If you have a Rheem tankless water heater, you may have received a code 13 error. Cause: The blockage in the air supply pipe, exhaust vent, or connection/termination is loose or not correctly done. This number indicates the you are dealing with. Next, check the resistance of the heat exchanger thermistor. Attach the remote control to the tankless unit with a different wire. Code 04: Another error code, this time indicating a problem with the venting system. Then, inspect the heat exchanger fins for a clog and release the buildup. Common symptoms, problems, and fixing tips. Loose connections may still result in the code 76 error. user-manual-Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm Manual. Solutions include replacing the remote controls wiring, changing the remote control, or changing the capacitor. If you are still having trouble after trying these steps, then you may need to call a professional for help. Then, remove the front access panel. The minimum flow rate should also be met to make sure that the tankless water heater fires. on: function(evt, cb) { The several inches of foam insulation give it up to 0.93 uniform energy factor. Check the air inlet filer and clean as required. There are certain steps you can take which include checking the high and low fire manifold pressures and that the right type of gas is used. What I recommend to you first is to clean the blower motor and its housing. If you need to reset the code on your Rheem tankless water heater, follow these steps: The cookie is used to store the user consent for the cookies in the category "Analytics". If this sensor senses that the heat exchanger of your water heater gets overheated, it will pop up this error message. 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. So, keep reading. Then, check all the pipelines for both the hot and warm water and confirm the lines don't cross. Watch the following tutorial to learn how to replace the water flow sensor. What does E5 mean on my Rheem tankless water heater? Save my name, email, and website in this browser for the next time I comment. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. You may need to flush the system using distilled white vinegar though do be careful as the water would naturally be hot. The flame rod wire should be connected and it should be free of any carbon build-up. In the troubleshooting manual, Rheem says that error code 29 stands for too low heat exchanger outlet temperature. Error code 65 may necessitate calling out a specialist yet you can check for a fault yourself. 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 jumper wire will help you confirm the remote control wiring problem. It will usually be red or black, and may be labeled reset. Again, there should be no obstructions to the airflow and the vent terminal should be clear. 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. Now, you may ask- how can I understand whether the solenoid valves function correctly or not? CANADIAN DEALS! As mentioned above, there are several more error codes you can potentially encounter with a Rheem tankless water heater. Finally, check for blockages in the inlet filter and combustion fan. If this doesnt work, your next step is to check the gas valve wire connections to ensure they are secure. 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? The most common codes include Codes 5, 11, 13, and 29. 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. 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. Rheem tankless water heaters use a condensing technology to offer continuous hot water without the use of a large water tank. It indicates a neutralizer drainage failure. These codes can be confusing, but they usually indicate a simple problem that can be easily fixed. I've had my tankless water heater for about 5 years now, and has never had a problem. Bath. When I can see a flame but the code displayed is Code 10, the problem is that the flame sensor is malfunctioning. Afterward, remove every speck of dirt, debris, and buildup from the air intake filter. Press it inwards until it clicks in place and then releases. So, follow the troubleshooting steps we mentioned to clear the error message. Improper fuel type, rusty or defective heat exchanger, and faulty Molex connector are some caveats responsible for triggering this error code. Doing this will ensure that theres enough oxygen for proper combustion. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger fan. d. Remove outlet pipe bracket and ceramic heater plug. Also, dont forget to check the breather box for debris and use a vacuum cleaner or a lightly damp rag to clean the box. As always, your best resource is your owners manual since it'll have the specific information you need for your model. Check the flame rod itself to see whether there are defects. 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 can confirm if the filters capacitor is at fault by checking the water heaters control board. The repair guide provides info on how to deal with the heating problems. 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. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Page 1 CONDENSING TANKLESS GAS WATER HEATER Service Manual Models 199,000Btu / 180,000Btu Natural Gas ( NG ) / Liquid Propane Gas ( LP ) WARNING If the information in these instructions is not followed exactly, a fire or explosion may result, causing property damage, personal injury, or death. Water Heating. The gas supply to the unit may be shut off or interrupted. If your Rheem tankless water heater is displaying the P1 code, it means that the unit is not receiving enough power. Turn off the power to the unit at the breaker box. Reason: Continuous combustion lasting an entire hour. 11. 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. If you have a Rheem tankless water heater, you may have received a code 76 error. In other words, youll need a very in-depth knowledge of these devices to understand each error code and an even more in-depth knowledge to solve it. Some simple issues can result in the water flow being low and you should be able to solve them yourself. Code 11 means that the ignition system has failed. 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. In other cases, the error arises from a complex problem like a defective filter capacity. Rheem tankless water heater starts malfunctioning over time. There are further elements that you can check including that the inlet water supply filter is clean. Quick View. Turn off you recirculation pump if your unit is connected to one. Error Code E2: This code means that the temperature of the incoming water is too low. If it doesnt erase the error message, fix the issues that cause the heater to pop up the error code. If you can solve a problem or a fault without having to make a service call then, not only will you learn more about how the water heater works, but you will likely save yourself some money. Search. Unless you have an in-depth knowledge of water heaters, youre best to not risk making the situation worse. Check the number 11 where I break down the error code 61. Of course, the internet is likely your go-to resource for any current information relating to your Rheem tankless water heater. Understanding the symptoms to look for will make it easier to fix the error. Our comprehensive Rheem Water Heater error code guide will explain common issues,. If the heat exchange fins get clogged, release the blockage. . In a worst case scenario, you may need to replace the control board. 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.