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