Rinnai error code 10 indicates that the air supply or exhaust system is blocked or has some restrictions to disrupt normal airflow or flue gas extraction. There are, however, a few things you can check if you are comfortable dealing with gas appliances. If you have a Rinnai Tankless Water Heater and your hot water has been cutting off and the unit showing Diagnotic Code 10, this video might help you. Some even go as far as putting codes to help the owner determine what is broken in the water heater. Check that the air filter is clean and in good repair. Remove the cover and look for discoloration on the surface of the heat exchanger in the area where the combustion box meets the copper section. The thermo-fuses are wrapped around the heat exchanger. When they blow, they will need to be replaced. If you have a code 51 issue, the unit will continue to operate. The code will continue to display until the problem is repaired. Flush your tankless by following the directions in your manual, or, After flushing, perform a hard reset by turning the power off and back on to the unit. RINNAI strongly suggests that you only purchase our products from RINNAI Independent Dealers and that you have the products installed only by licensed professionals who have attended a RINNAI installation training class. Currently showing code 11 which is ignition failure. The air pressure sensor measures the airflow. If the error code displays again, you'll need to. If the error code does not disappear, you should. Check that the igniter is functioning properly. causing a code 10. Look for broken, damaged or loose connections between the PC board and the sensor. Rinnai Tankless Error Codes Rinnai Tankless Error Codes Tankless Systems are … Check to see that nothing is blocking the flue inlet exhaust or fan. Locate your gas supply and ensure it is turned on. Have also seen code 53, code 70, and code 12. He doesn't get any hot or warm water. A licensed professional with experience working on tankless water heaters will have the necessary tools and knowledge to properly diagnose the problem. Although, if you are comfortable, you could drain down the tankless and remove and check for lime scale build-up on the thermistor. It's a bit like drawing a line to help keep track of the error codes. An error code 32 often means that the sensor is faulty and needs to be replaced. The issue could either be the bi-metal safety switch or the thermal fuses. Rinnai tankless water heaters show error codes for various reasons. This error code will only display on indoor tankless models. Contact a professional to troubleshoot and repair an error code 52. If you find evidence of water pooling, dry off the leak sensor as well as the inside of the cabinet. Rinnai Tankless Error Codes: How to Troubleshoot. Endless Support. If the indicator lamps are flashing or the error codes appears in the window display or indoor unit: Examples of error or fault codes are E0, E1, E2, E5, P0, P1, P2, P6, F0, F1, and F2. Inspect the sensor wiring harness. Rinnai RHFE-556WTA Pdf User Manuals. If your unit is under warranty, doing the work yourself, or disassembling your unit could void your warranty. In most cases, it's best to call a professional to troubleshoot this issue. Remove the flame rod. This error code is an indicator that there's a short circuit within the tankless. There may be damaged or loose wires. This information Specifically check the bottom pan of the tankless for signs of pooling water. Restart the tankless. If the tankless operates without the sensor in place, the sensor will need to be replaced. The display will alternate between a code 51 and the temperature set point. IMPORTANT: There are two types of error code 12. TanklessWaterHeaterExpress is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to Amazon(.com, .co.uk, .ca, etc) and any other website that may be affiliated with Amazon Service LLC Associates Program. Once the switch resets, the tankless will be able to operate again. If your thermo-fuses blow, it's generally best to. Not much on the web regarding diy procedures. You should flush your tankless as soon as possible to prevent damage to your heat exchanger. All rights reserved. If your Rinnai throws an error code 63, many people simply choose to call for service instead of troubleshooting the issue themselves. Let's find one nearby. However, there are a few things that you can check. Clean if needed. Look for debris build-up which could cause the flame rod to short out. Rinnai Gas Heater fault code 11 indicates a no ignition or no gas supply on your gas heater system. Check that the water supply to the tankless is at a flow rater of 6 gpm or higher. But at bare minimum, you'll have an idea of the problem before you call for repairs. This applies to all tankless water heaters from this manufacturer. With the power off, remove the fan motor. If you're comfortable doing some troubleshooting, you may be able to determine the problem yourself. On the temperature controller, press the on/off button twice. A Guide to the Broken Heaters: Rinnai Tankless Water Heater Code 11. 7 = 0.7 gpm, 25 = 2.5 gpm). Rinnai fault code 10 – Air supply or exhaust blockage. However, the code will continue to display until the underlying cause has been resolved. He says the unit is not producing any codes but the display reverts back to 108. This only happens when the temp outside is below 45 F. Cleaned the … Look for broken, damaged or loose connections. Inspect the heat exchanger and all the internal piping within the tankless. A few other things to check are listed below: The Rinnai Tankless will display an error code 51 if the the inlet water temperature thermistor is disconnected or open. If you see an error code 34, you should contact a professional to troubleshoot and make repairs. The following will help you determine which code 12 is your problem: If the error code 12 is due to flame failure, you should call a qualified professional. If you just installed your tankless, check that the hot and cold water lines are correctly attached. View online or download Rinnai RHFE-556WTA Service Manual, Owner's Operation And Installation Manual Rinnai has been manufacturing tankless water heaters for a long time and it is fair to assume that there have been changes over the years. If missing contact Rinnai for proper gas pressure setting procedures. Privacy Policy Check the following before calling for service: Your tankless should continue to work when it throws an error code LC, LC0 - LC9, although some newer units may shut down to prevent damage. This error code will only display on outdoor models. Rinnai error code 11 is an indication that there is no ignition in, or no gas supply to your hot water system. Check that the inlet water pressure to the tankless is between 30 to 50 psi. Once repaired, a hard reset (turn the power off to the unit and then back on) will need to be performed for the code to stop displaying. An error code 14 indicates that your Rinnai is over heating. Before calling for repair, check to see if the code resets when you perform a hard reset, by shutting the power off to the water heater and then turn it back on. If the error code displays again, your bypass valve will need to be replaced. This error code should be resolved by a professional as they will need to measure the winding resistance of the fan motor. The problem could be in a wiring harness, bypass valve, water flow control or another component within the DC circuit. Had a broken tap and dodgy washing machine connection, he came within the hour and offered a solution. Check that the flame rod is touching flame when the unit fires. Linking Policy, Need a Professional Installer? To counter that, some water heater manufacturer sends out manuals to come along with the water heater. Either maintenance or repair has been conducted on your unit when a code FF is used. The tankless may or may not be operating when this code is displaying. If you are not meeting the minimum flow rate the unit will not fire. (ie. The tankless may or may not be operating when the code is showing. Important: This error code should be taken very seriously. As an Amazon Associate we earn from qualifying purchases. When your unit displays an error code 73, you should call a professional for repair. Specifically look for clogging. Error code means there is an over temperature warning. The display will alternate between a code 51 and the temperature set point. Look for leakage. From here you can select an error code to see its cause. The temperature controller MC-91 is found on Rinnai water heaters as the standard feature, integrated into the front panel, while for the outdoor models is provided with the purchase. However, if the issue is the sensor, you may be able to fix it yourself. Copyright 2021, Rinnai America Corporation. An error code 12 is one of many Rinnai diagnostic codes used to identify problems in your Rinnai tankless water heater. Code Cause Place of verification 01 No ignition 1.Fuel and fuel system 2. flame sensor 3. filter and gear pump 02 Quasi Flame 1. flame sensor 2. regulator 03 Temp-ra, deviation. Check outside where the vent terminates. Do you have a Rinnai error code 10 on your system? Contact a professional to troubleshoot and replace the PC Board. One such manufacturer is Rinnai, a famous appliances manufacturer. They'll have the training and tools to find and resolve the problem. 99$ Toronto and area flush (647) 925-1930 A Word of Warning: We recommend contacting a professional to do the repairs for you. The problem could be electrical. When your Rinnai tankless water heater has a problem, an error code is shown on the display panel. If the outside air temperature thermistor is disconnected or open, the tankless will display an error code 41 and alternate to the set point temperature. Furthermore, how do I get a Rinnai error code? Rinnai tankless water heater: Troubleshooting. Although, the problem could be related to the wiring between the sensor and the PC board, there is a chance that you can fix this problem yourself. The number displayed will be your flow rate. Check if the tankless is producing a water flow using the temperature controller by pressing the "UP" button for 3 seconds and then the "ON/OFF" button. This alerts the system that any codes that occur after the FF code was entered occurred upon completion of the repairs. Look for debris or other obstructions that could prevent the fan wheel from turning. Rinnai Error Code 2 No Burner Operation During Freeze Protection Mode For you safety and the health of your equipment, Call or Contact Totally Tankless for further troubleshooting Schedule Service Call … While we always welcome feedback and questions, we have compiled some resources that you will find helpful in operating and servicing our products. This makes your owner’s manual your best resource for troubleshooting your unit. If one of these two opens, your unit will display an error code 57. Shut off the water flow and call a professional to troubleshoot the problem for you. Turn the power to the tankless back on, and fire the tankless up. If you see that the burner indicator is blinking, the possible reason is that hot water is used continuously for an hour There is no way to reset these fuses. If the issue is the heat exchanger and/or the internal piping, you'll most likely need to call a professional. If you don't find any leakage, look inside the cabinet. Don't forget to check the vent outside. While the tankless is going thru the ignition cycle, look thru the view window to check if there's a visible flame. If your Rinnai tankless throws and error code 31, you should. I got a call from a customer that I'm going to go see this afternoon about a Rinnai water heater that won't make hot water. Depending on which Rinnai tankless model you own, you may see an error code 19 instead. Check the wiring harness between the PC board and the fan motor. After making repairs to your tankless, the technician will enter a code FF. There's a number of issues that could be causing an error code 25. Test your gas supply by turning on a gas appliance, such as a stove-top. If any of the error codes show, the AC unit may cease working or continue to run in a safe manner. When this happens, try the following: If you have bypass valves installed on your tankless water heater, you may see an error code 05. Although we recommend having a professional work on this problem for you, there are a few things you can check yourself. If there was a power outage or interruption its possible that once the power is restored the water won't flow. If the tankless cycles 3-times after unplugging a component, you'll know the problem is from the unplugged component. It's sensors recorded the room temperature to be above 104 degrees Fahrenheit for more than 10 minutes. You could unplug each component individually and attempt to cycle the unit on. Never attempt to solve this problem yourself. Error Code 00 (or LC0 through LC9): Scale Build-up in Heat Exchanger. This information can be found under the front cover in the plastic holder. A local professional can help you diagnose the error code and help you correct it. to troubleshoot this error code. 1920 - The company Rinnai & Co. was established by the founders (Hidejiro Naito and Kenkichi Hayashi). Once the root problem has been repaired, the error code will clear. Check that the air gap between the condensate drain line and the unit has been maintained. There should be no obstructions. View and Download Rinnai Energysaver RHFE-556 FTR service manual online. However, the code will continue to display until the underlying cause has been resolved. Each Rinnai unit uses a temperature controller (either MC-91-1 or MC-91-2) on the front panel to display various configuration options for installation as well as error codes for when problems arise. The company Rinnai & Co was formed in 1920. Locate a Store. 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