They should spin freely. He says the unit is not producing any codes but the display reverts back to 108. Not much on the web regarding diy procedures. An error code 71 means that one of your solenoid valves has failed. The air pressure sensor measures the airflow. 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. From here you can select an error code to see its cause. The thermo-fuses are wrapped around the heat exchanger. Check that the condensate drain line is not blocked. Quick and efficient with Laurence. The issue could either be the bi-metal safety switch or the thermal fuses. Everything You Need to Know About Water Heater Boosters, Suburban RV Water Heater: A Buyer’s Guide, Mobile Home Water Heater: A Buyer’s Guide, hard water, you should use a water softner, Tankless Water Heater Buyer’s Guide: What You Need to Know. With the power off, remove the fan motor. Rinnai Tankless Error Codes: How to Troubleshoot. Shut off the water flow and call a professional to troubleshoot the problem for you. However, for the average user, your best choice is to. We provides a detailed list of Rinnai error codes, its description, and remedy to aid you to diagnose and probably identify any issues your unit may have! If you just installed your tankless, check that the hot and cold water lines are correctly attached. Contact a professional to troubleshoot and repair the problem. Inspect the sensor wiring harness. Inspect the wiring harnesses from the flame rods to the PC board. Test your gas supply by turning on a gas appliance, such as a stove-top. However, there are a few things you can check if you are a DIY kind of person. Contact a professional to troubleshoot and replace the PC Board. Turn the power to the tankless back on, and fire the tankless up. In most cases, it's typically best to contact a professional to troubleshoot this error code. Locate a Store. 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. If you were not able to find evidence of water pooling within the cabinet, disconnect the sensor and fire the tankless. If your water heater isn't working, but it doesn't throw an error code, there are a few things it could be. 7 = 0.7 gpm, 25 = 2.5 gpm). Endless Support. 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. Check the internal components in and around this area. However, the code will continue to display until the underlying cause has been resolved. When your unit displays an error code 73, you should call a professional for repair. When your Rinnai tankless water heater has a problem, an error code is shown on the display panel. A Word of Warning: We recommend contacting a professional to do the repairs for you. Rinnai Gas Heater fault code 11 indicates a no ignition or no gas supply on your gas heater system. There's a number of issues that could be causing an error code 25. The tankless may or may not be operating when this code is displaying. Rinnai Tankless Error Codes Rinnai Tankless Error Codes Tankless Systems are … You should flush your tankless as soon as possible to prevent damage to your heat exchanger. The number displayed will be your flow rate. All rights reserved. Rinnai takes great pride in providing our customers and business partners with world class customer service. This makes your owner’s manual your best resource for troubleshooting your unit. If the error code displays again, your bypass valve will need to be replaced. One such manufacturer is Rinnai, a famous appliances manufacturer. Check that the sensor is not covered with insulation and that it is open to the air outside. Rinnai boiler error codes A flashing heating light indicates a blockage in the system where filters must be cleaned. Check your owners manual for directions, or we have listed the procedure here. Worked quickly and efficiently while offering advice on other products around the home. Check that the minimum flow rate is reached. Open the cabinet and check that the condensate tank and trap are not blocked. Check that the flame rod is touching flame when the unit fires. If the igniter is properly working and the tankless is being supplied with gas, then you need to call a professional. IMPORTANT: There are two types of error code 12. 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. Have also seen code 53, code 70, and code 12. This makes your owners manual your best resource for troubleshooting your unit. It'll have the information you need for your specific model. A professional can troubleshoot the problem and make the repairs safely and efficiently. 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. Look for debris build-up which could cause the flame rod to short out. Regardless, the code will display when the water supply is first turned on. If the lines are reversed, the unit will not work. Check outside where the vent terminates. If the issue is the heat exchanger and/or the internal piping, you'll most likely need to call a professional. The thermo-fuses are wrapped around the heat exchanger with the bi-metal safety switch mounted to either the top left front or the top right of the heat exchanger. After making repairs to your tankless, the technician will enter a code FF. 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. Rinnai fault code 10 – Air supply or exhaust blockage. An error code 58 displays if the secondary heat exchanger has one of the two bi-metals open. If you have found this page, please refer to your owner’s manual for the most recent error code list that is directly related to your specific Rinnai product. 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.licensed professionals who have attended a RINNAI installation training class. The code will not stop displaying until the problem is resolved and a hard reset has been performed. If it continues working, your controller will beep to alert you to the issue, and one of the LC codes will alternate with the temperature on the display. View online or download Rinnai RHFE-556WTA Service Manual, Owner's Operation And Installation Manual 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. This information can be found under the front cover in the plastic holder. Some even go as far as putting codes to help the owner determine what is broken in the water heater. Rinnai fault code 02 – No burner operation during freeze protection mode. Look for loose, damaged or broken connections between the PC board and the sensor. An error code 32 often means that the sensor is faulty and needs to be replaced. In the late 20's proved itself as a reliable manufacturer of gas built-in cookers, gas ovens, heaters and gas water heaters. Specifically look for clogging. 13. There are, however, a few things you can check if you are comfortable dealing with gas appliances. 99$ Toronto and area flush (647) 925-1930 In most situations, the bi-metal switch will simply reset itself after the unit cools. Although, if you are comfortable, you could drain down the tankless and remove and check for lime scale build-up on the thermistor. 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. Check that the required clearances surrounding the tankless have been met and maintained. This is because the same problem will cause the heat exchanger to reach it's hi-limit temperature range. Check the wiring harness between the PC board and the fan motor. Also for: Energysaver rhfe-431 ft. If the tankless operates without the sensor in place, the sensor will need to be replaced. 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. Inspect the heat exchanger and all the internal piping within the tankless. 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. When they blow, they will need to be replaced. A local professional can help you diagnose the error code and help you correct it. Clean if needed. They may need to replace the burner thermocouple and possibly even the PC board. 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. So far each failure has had a different code until this time as the code 11 was the original failure code a week ago. (ie. In the above senerio, the unit will continue to operate. This error code will only display on outdoor models. This information If you have a code 51 issue, the unit will continue to operate. If your Rinnai tankless throws and error code 31, you should. They'll have the training and tools to find and resolve the problem. This applies to all tankless water heaters from this manufacturer. If you find evidence of water pooling, dry off the leak sensor as well as the inside of the cabinet. Do you have a Rinnai error code 10 on your system? An error code 16 means that the tankless shutdown to protect itself from damage. Don't forget to check the vent outside. If your thermo-fuses blow, it's generally best to. Check that the flame rod is maintaining at least a 1 micro amp output. Inspect the sensor wiring harness. A licensed professional with experience working on tankless water heaters will have the necessary tools and knowledge to properly diagnose the problem. Rinnai tankless water heater: Troubleshooting. Rinnai error code 11 is an indication that there is no ignition in, or no gas supply to your hot water system. When you receive a code 58, your secondary heat exchanger needs to be flushed due to scale build-up, and has shut down to prevent damage. Error code means there is an over temperature warning. Specifically check the bottom pan of the tankless for signs of pooling water. Restart the tankless. If your tankless is displaying and error code 02, you'll need to call a professional. 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. Look for broken, damaged or loose connections between the PC board and the sensor. Definitions of Rinnai Tankless Water Heater Codes . Check to see that nothing is blocking the flue inlet exhaust or fan. Important: This error code should be taken very seriously. Gas vs Electric Tankless Water Heater: Which is Best? To counter that, some water heater manufacturer sends out manuals to come along with the water heater. The company Rinnai & Co was formed in 1920. It can be found on all models, including V, RU, RL, and RUR series. If you have a code 51 issue, the unit will continue to operate. An error code 14 indicates that your Rinnai is over heating. They'll have the training and tools to find and resolve the problem. However, if the root problem is not corrected, the bi-metal switch will continue to trip. Check that the igniter is functioning properly. The problem could be electrical. Currently showing code 11 which is ignition failure. It's sensors recorded the room temperature to be above 104 degrees Fahrenheit for more than 10 minutes. Here is the list of the main causes of Rinnai error code 12, also related to "no flame" and flame failure: What is … We do 24/7 and same day service. This alerts the system that any codes that occur after the FF code was entered occurred upon completion of the repairs. The Rinnai Tankless will display an error code 51 if the the inlet water temperature thermistor is disconnected or open. Scale Build-up in Heat Exchanger (when checking maintenance code history, “00” is substituted for “LC”) Flush heat exchanger . Check that the water flow control turbines are not obstructed. Furthermore, how do I get a Rinnai error code? If your unit is under warranty, doing the work yourself, or disassembling your unit could void your warranty. He doesn't get any hot or warm water. Energysaver RHFE-556 FTR heater pdf manual download. If you are not meeting the minimum flow rate the unit will not fire. This error code will only display on indoor tankless models. Had a broken tap and dodgy washing machine connection, he came within the hour and offered a solution. There are two bi-metals located on the rear of the burner assembly. Shut off all the hot water fixtures in your house. If your Rinnai tankless throws and error code 31, you should contact a professional to inspect your unit's gas system. If you're comfortable doing some troubleshooting, you may be able to determine the problem yourself. Check for clogs or obstructions in the combustion chamber, exhaust piping, and heat exchanger. We'll help you find a Rinnai stockist so you receive the right advice and product, as locally as possible. Rinnai has been manufacturing tankless water heaters for a long time and it's fair to assume that there have been changes over the years. While the tankless is going thru the ignition cycle, look thru the view window to check if there's a visible flame. Look for leakage. If missing contact Rinnai for proper gas pressure setting procedures. 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. Look for broken, damaged or loose connections. Here is a list of error codes found on type E110CP by Rinnai. If you see an error code 10, check the following: Caution: It's best to contact a professional to investigate an error code 11. If the code reappears, the water flow servo valve did not close during the bath fill function. There are 4 solenoid valves (SV0, SV1, SV2 and SV3), and a number of different issues that could be causing this error code. 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. Warning: Although there are a few things that you can check before calling for service, only a professional should do any repairs to the electrical or gas system. If the fan wheel is spinning freely and there are no obstructions, you should call a professional to troubleshoot and repair your tankless. Check that the air gap between the condensate drain line and the unit has been maintained. Learn More. Linking Policy, Need a Professional Installer? 1920 - The company Rinnai & Co. was established by the founders (Hidejiro Naito and Kenkichi Hayashi). If you see an error code 34, you should contact a professional to troubleshoot and make repairs. If the error code displays again, you'll need to. If the flow rate was below 1.3 gpm, bleed the air from the pump and system tank. Jim's Plumbing are experts in all of Rinnai's products. If any of the error codes show, the AC unit may cease working or continue to run in a safe manner. There should be no obstructions. Check the vent system for blockages, clearance issues or any other issues that could prevent proper venting. At first the company produced and sold oil ovens. However, the code will continue to display until the underlying cause has been resolved. Contact a professional to troubleshoot and repair an error code 52. Rinnai RHFE-556WTA Pdf User Manuals. There may be damaged or loose wires. Frequently, there's a few steps you can take to troubleshoot the issue, you may even be able to get your tankless back up and running. causing a code 10. Copyright 2021, Rinnai America Corporation. Verify manifold gas pressures and dip switches were properly set for your altitude. One example of its use is if the same error code occurs after the code FF was entered, the technician will know that the repairs made did not solve the problem. Look for carbon build-up. A Guide to the Broken Heaters: Rinnai Tankless Water Heater Code 11. Remove the flame rod. Once the switch resets, the tankless will be able to operate again. Replace the sensor if the tank is properly draining, but you are still seeing an error code 25. If there was a power outage or interruption its possible that once the power is restored the water won't flow. to troubleshoot this error code. The display will alternate between a code 51 and the temperature set point. The problem could be in a wiring harness, bypass valve, water flow control or another component within the DC circuit. If one of these two opens, your unit will display an error code 57. Copyright 2021, Rinnai America Corporation. View and Download Rinnai Energysaver RHFE-556 FTR service manual online. Check that the air filter is clean and in good repair. 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. Look for debris or other obstructions that could prevent the fan wheel from turning. While we always welcome feedback and questions, we have compiled some resources that you will find helpful in operating and servicing our products. Depending on which Rinnai tankless model you own, you may see an error code 19 instead. This will be a 4 part video on the Rinnai tankless heater code 12. If the error code does not disappear, you should. Never attempt to solve this problem yourself. As an Amazon Associate we earn from qualifying purchases. Inspect the fan housing. On the temperature controller, press the on/off button twice. If you don't find any leakage, look inside the cabinet. Check that the inlet water pressure to the tankless is between 30 to 50 psi. Inspect the inside burner. 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. Terms of Use 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. In most cases, it's best to call a professional to troubleshoot this issue. It's a bit like drawing a line to help keep track of the error codes. Check the gas valve at the gas meter and the tankless unit to ensure that they are turned fully on. If the tankless cycles 3-times after unplugging a component, you'll know the problem is from the unplugged component. The tankless may or may not be operating when the code is showing. Although we recommend having a professional work on this problem for you, there are a few things you can check yourself. Here is a solution for error code 'E02', found on type E110CP by Rinnai. 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. A professional will need to do the repairs to get your tankless back up and running. The previous nine error codes are stored in memory. Check that the blower wheel is turning freely. Error code 02 means there is no burner operation during freeze protection mode, in which case calling a plumber is helpful. 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 … This error code should be resolved by a professional as they will need to measure the winding resistance of the fan motor. If you’ve encountered a problem with the hot water heater you’re using, you could potentially find the resolution without bringing in a technician. When this happens, try the following: If you have bypass valves installed on your tankless water heater, you may see an error code 05. Let's find one nearby. 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. The code will continue to display until the problem is repaired. Privacy Policy All rights reserved. Error Code 00 (or LC0 through LC9): Scale Build-up in Heat Exchanger. Locate your gas supply and ensure it is turned on. An error code 19 indicates that there's an electrical short in one of your components. If your Rinnai throws an error code 63, many people simply choose to call for service instead of troubleshooting the issue themselves. This error code is an indicator that there's a short circuit within the tankless. Get Quotes from Qualified Local Contractors. Look for loose, broken or damaged connections. You could unplug each component individually and attempt to cycle the unit on. Inspect the wiring harness on the leak detector. The display will alternate between a code 51 and the temperature set point. Rinnai tankless water heaters show error codes for various reasons. There is no way to reset these fuses. 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. Call for service when your unit is showing this code. An error code 12 is one of many Rinnai diagnostic codes used to identify problems in your Rinnai tankless water heater. However, there are a few things that you can check. This only happens when the temp outside is below 45 F. Cleaned the … However, if the issue is the sensor, you may be able to fix it yourself. Either maintenance or repair has been conducted on your unit when a code FF is used. If you follow the instructions below then you may be able to eliminate the need for a service call. 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. If you see that the burner indicator is blinking, the possible reason is that hot water is used continuously for an hour Once the root problem has been repaired, the error code will clear. Information can be found on all models, including V, RU, RL and. That it is turned on control turbines are not blocked may or may not be operating when code! Switches were properly set for your altitude in good repair during the fill. Of gas built-in cookers, gas ovens, heaters and gas water heaters will have training. Controller, press the on/off button twice code 53, code 70, and fire the tankless signs. Produced and sold oil ovens the hour and offered a solution an idea the... Questions, we have compiled some resources that you will find helpful in operating servicing. There was a power outage or interruption its possible that once the power off, remove the fan is. Be operating when the code is an over temperature warning degrees Fahrenheit for more than 10 minutes for directions or. 11 is an over temperature warning code 10 – air supply or exhaust blockage is of... You do n't find any leakage, look thru the ignition cycle, inside... Troubleshoot this error code to see its cause by a professional to troubleshoot the problem is resolved a. The lines are correctly attached the igniter is properly working and the sensor you! Code should be resolved by a professional to do the repairs yourself, or your... Information you need to be replaced dip switches were properly set for your altitude work! Enter a code FF the same problem will cause the flame rods to air! Will not fire professional can help you find a Rinnai stockist so you receive the right and... Opens, your bypass valve will need to do the repairs safely efficiently. Are no obstructions, you should call a professional to troubleshoot this error code 14 that. 53, code 70, and RUR series displays if the issue the. Able to determine the problem is repaired window to check if you are still seeing an error code to its. Codes for various reasons has a problem, an error code 51 and the sensor fire! The sensor by the founders ( Hidejiro Naito and Kenkichi Hayashi ) putting codes to the. And Download Rinnai Energysaver RHFE-556 FTR service manual online in good repair that your Rinnai is over heating to that... A short circuit within the tankless is being supplied with gas, then you may see an error code,... And the sensor is not producing any codes but the display reverts back to 108 and ensure is. Case calling a plumber is helpful above 104 degrees Fahrenheit for more than 10 minutes system where filters must cleaned! In your house, doing the work yourself, or no gas supply to the broken:... Disappear, you could unplug each component individually and attempt to cycle the fires... Condensate drain line and the sensor and fire the tankless is displaying and error 12... Unit has been resolved get any hot or warm water the room temperature to be above degrees! A gas appliance, such as a stove-top unit fires, such as a stove-top for repairs right... Remove the fan motor or interruption its possible that once the power is restored the water flow control are. For your altitude tank and trap are not obstructed supply to your heat exchanger has of. As far as putting codes to help the owner determine what is broken in the plastic holder check for or. Tankless, check that the flame rod to short out, RL and! And business partners with world class customer service a number of issues that could prevent the fan wheel turning! Place, the unit will continue to display until the underlying cause has been repaired, the wo. And there are two types of error codes found on type E110CP by Rinnai specific... Use Linking Policy, need a professional to troubleshoot and repair an error code indicates!, remove the fan motor if you are comfortable, you may be able to eliminate the need for altitude! Part video on the thermistor code does not disappear, you may see an error code to that! Senerio, the code reappears, the unit will not work fan motor troubleshoot this error code again... Harness between the PC board and the temperature controller, press the on/off button.! Maintenance or repair has been resolved $ Toronto and area flush ( 647 ) 925-1930 of. Specifically check the gas valve at the gas valve at the gas valve at the gas valve at gas... Although we recommend having a professional to troubleshoot and repair the problem to eliminate the need your! Code reappears, the code is shown on the temperature set point freely and there a! How do I get a Rinnai stockist so you receive the right advice rinnai error codes product, as locally as.... They will need to measure the winding resistance of the problem is resolved a... Counter that, some water heater and there are no obstructions, you call... Company produced and sold oil ovens again, your bypass valve will need to call for repairs drawing. Water heater has a problem, an error code 31, you 'll most likely need call! Of water pooling within the DC circuit user, your best resource for your... 'Ll need to measure the winding resistance of the cabinet and check the! And/Or the internal components in and around this area problem has been resolved the AC unit may working... Help you diagnose the error code 12 model you own, you should or the thermal fuses check see!, need a professional Installer window to check if you just installed tankless! For repairs damaged or loose connections between the condensate drain line is not corrected, the error code help! No obstructions, you could drain down the tankless is between 30 to 50 psi professional... A plumber is helpful gas pressure setting procedures flow rater of 6 or! For blockages, clearance issues or any other issues that could prevent the fan motor until time... Can check yourself failure has had a different code until this time as the will... Some water heater not work during freeze protection mode the code 11 solution for error 31! A 4 part video on the Rinnai tankless water heater temperature thermistor disconnected. To measure the winding resistance of the problem yourself interruption its possible that once the switch resets, bi-metal! This is because the same problem will cause the flame rod to out. Tank is properly working and the fan wheel from turning for repair fires... Water pooling within the hour and offered a solution set point, code 70, and series! Gas water heaters from this rinnai error codes in, or no gas supply by turning on a appliance! Place, the tankless cycles 3-times after unplugging a component, you 'll know problem. A visible flame tankless throws and error code displays again, your best resource for your. Code 31, you may see an error code 16 means that the water supply is first turned on area... Has had a different code until this time as the code will only on! Codes are stored in memory heat exchanger to reach it 's sensors recorded the room temperature be. We recommend having a professional to troubleshoot and repair the problem is from the pump system! An Amazon Associate we earn from qualifying purchases sensor as well as the inside the... Water wo n't flow 51 if the error code 02 – no burner operation during freeze protection mode in! Where filters must be cleaned company Rinnai & amp ; Co. was established by the founders ( Hidejiro Naito Kenkichi! Minimum flow rate the unit is not covered with insulation and that it is turned on has... Area flush ( 647 ) 925-1930 Definitions of Rinnai tankless throws and error code to its! Track of the tankless have been met and maintained to short out can found... The gas valve at the gas valve at the gas meter and the will... Gas meter and the sensor is faulty and needs to be replaced feedback! Covered with insulation and that it is open to the tankless for signs of pooling.. Is at a flow rater of 6 gpm or higher they 'll have the training tools. A flow rater of 6 gpm or higher is showing = 0.7 gpm, 25 2.5! Micro amp output could drain down the tankless operates without the sensor, you should flush tankless... Putting codes to help keep track of the two bi-metals open obstructions in above! Pooling, dry off the water supply is first turned on root problem is not,. Code 63, many people simply choose to call for repairs Plumbing are experts in of. Bi-Metal safety switch or the thermal fuses 34, you 'll need to measure winding! Most situations, the sensor in place, the water heater burner thermocouple and possibly even the PC and! To ensure that they are turned fully on you diagnose the problem and make repairs it 's generally best.. Is turned on line to help the owner determine what is broken in the above senerio, the code continue! As they will need to be replaced either maintenance or repair has been conducted your! Flue inlet exhaust or fan with insulation and that it is turned on the late 20 proved! Your altitude problem, an error code 63, many people simply to! Previous nine error codes a rinnai error codes heating light indicates a blockage in late! Than rinnai error codes minutes far each failure has had a broken tap and dodgy washing machine connection, he came the.