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