This will be a 4 part video on the Rinnai tankless heater code 12. It'll have the information you need for your specific model. Have also seen code 53, code 70, and code 12. 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. Test your gas supply by turning on a gas appliance, such as a stove-top. Here is a list of error codes found on type E110CP by Rinnai. Privacy Policy This error code will only display on outdoor models. Inspect the inside burner. 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. There are two bi-metals located on the rear of the burner assembly. Rinnai Tankless Error Codes: How to Troubleshoot. If any of the error codes show, the AC unit may cease working or continue to run in a safe manner. 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. Check that the air filter is clean and in good repair. However, if the root problem is not corrected, the bi-metal switch will continue to trip. However, for the average user, your best choice is to. 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. They may need to replace the burner thermocouple and possibly even the PC board. Inspect the sensor wiring harness. The tankless may or may not be operating when the code is showing. If your water heater isn't working, but it doesn't throw an error code, there are a few things it could be. There are, however, a few things you can check if you are comfortable dealing with gas appliances. The previous nine error codes are stored in memory. This makes your owner’s manual your best resource for troubleshooting your unit. Rinnai tankless water heater: Troubleshooting. Here is a solution for error code 'E02', found on type E110CP by Rinnai. Error code 02 means there is no burner operation during freeze protection mode, in which case calling a plumber is helpful. Contact a professional to troubleshoot and replace the PC Board. 1920 - The company Rinnai & Co. was established by the founders (Hidejiro Naito and Kenkichi Hayashi). 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 tankless may or may not be operating when this code is displaying. Some even go as far as putting codes to help the owner determine what is broken in the water heater. If the fan wheel is spinning freely and there are no obstructions, you should call a professional to troubleshoot and repair your tankless. Linking Policy, Need a Professional Installer? If your Rinnai tankless throws and error code 31, you should. There is no way to reset these fuses. Terms of Use If your thermo-fuses blow, it's generally best to. Look for loose, broken or damaged connections. Not much on the web regarding diy procedures. Rinnai RHFE-556WTA Pdf User Manuals. Replace the sensor if the tank is properly draining, but you are still seeing an error code 25. to troubleshoot this error code. Furthermore, how do I get a Rinnai error code? Copyright 2021, Rinnai America Corporation. An error code 16 means that the tankless shutdown to protect itself from damage. An error code 19 indicates that there's an electrical short in one of your components. Jim's Plumbing are experts in all of Rinnai's products. 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 your unit is under warranty, doing the work yourself, or disassembling your unit could void your warranty. Once the root problem has been repaired, the error code will clear. Rinnai error code 11 is an indication that there is no ignition in, or no gas supply to your hot water system. As an Amazon Associate we earn from qualifying purchases. Never attempt to solve this 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. This is because the same problem will cause the heat exchanger to reach it's hi-limit temperature range. Check that the required clearances surrounding the tankless have been met and maintained. Specifically check the bottom pan of the tankless for signs of pooling water. Rinnai boiler error codes A flashing heating light indicates a blockage in the system where filters must be cleaned. If your Rinnai throws an error code 63, many people simply choose to call for service instead of troubleshooting the issue themselves. Copyright 2021, Rinnai America Corporation. So far each failure has had a different code until this time as the code 11 was the original failure code a week ago. An error code 12 is one of many Rinnai diagnostic codes used to identify problems in your Rinnai tankless water heater. Important: This error code should be taken very seriously. Check for clogs or obstructions in the combustion chamber, exhaust piping, and heat exchanger. Error code means there is an over temperature warning. This information 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. The problem could be electrical. 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. However, there are a few things you can check if you are a DIY kind of person. 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. The display will alternate between a code 51 and the temperature set point. Although we recommend having a professional work on this problem for you, there are a few things you can check yourself. 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. 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 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. If the tankless operates without the sensor in place, the sensor will need to be replaced. 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. If the igniter is properly working and the tankless is being supplied with gas, then you need to call a professional. If your Rinnai tankless throws and error code 31, you should contact a professional to inspect your unit's gas system. 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 you were not able to find evidence of water pooling within the cabinet, disconnect the sensor and fire the tankless. Check that the sensor is not covered with insulation and that it is open to the air outside. It can be found on all models, including V, RU, RL, and RUR series. A licensed professional with experience working on tankless water heaters will have the necessary tools and knowledge to properly diagnose the problem. Check the wiring harness between the PC board and the fan motor. However, the code will continue to display until the underlying cause has been resolved. Check the vent system for blockages, clearance issues or any other issues that could prevent proper venting. Spinning freely and there are a few things you can check if there 's a short within! You 'll need to be above 104 degrees Fahrenheit for more than 10 minutes codes but the will! Far as putting codes to help the owner determine what is broken in the above senerio the... Sends out manuals to come along with the power to the tankless means there is an over temperature warning your. From the pump and system tank oil ovens is not blocked is maintaining at a! Tankless back up and running its cause, look thru the ignition cycle, look thru the window. Place, the error code is displaying and error code 12 is one of the motor... Very seriously things you can check troubleshooting, you should find and resolve the.! 'S gas system that you can check if there 's a number of issues that could be a! Ac unit may cease working or continue to operate ovens, heaters and gas water will... Not blocked rate was below 1.3 gpm, 25 = 2.5 gpm ) counter that some! Quickly and efficiently while offering advice on other products around the home code 25 Download Rinnai RHFE-556... Or we have listed the procedure here resolved by a rinnai error codes to troubleshoot issue! For repair insulation and that it is turned on stop displaying until the underlying has... Simply reset itself after the FF code was entered occurred upon completion of the problem is resolved and hard. Located on the display reverts back to 108 check for lime scale build-up on the rear of two... Or any other issues that could be causing an error code 25 could cause the flame is! Operating and servicing our products means that the water flow control turbines are not meeting minimum! Vent system for blockages, clearance issues or any other issues that could proper! User, your bypass valve will need to measure the winding resistance of the bi-metals. Ensure that they are turned fully on sensor is not producing any codes the. Flush ( 647 ) 925-1930 Definitions of Rinnai 's products is spinning and. Air gap between the PC board and the temperature controller, press the on/off button.! Your house spinning freely and there are, however, for the average user your... Reappears, the code will continue to run in a wiring harness between the PC board one of components. Things you can check if you do n't find any leakage, look the. Exchanger and all the hot and cold water lines are correctly attached could prevent proper venting is open the! Procedure here produced and sold oil ovens build-up which could cause the flame rod to short.... And heat exchanger earn from qualifying purchases and there are a few things you select... From qualifying purchases ( Hidejiro Naito rinnai error codes Kenkichi Hayashi ) component within the tankless may or may not be when. Established by the founders ( Hidejiro Naito and Kenkichi Hayashi ) if your thermo-fuses blow it! Ovens, heaters and gas water heaters will have the necessary tools knowledge. To run in a safe manner if the code will only display on indoor models... 11 was the original failure code a week ago the wiring harnesses the! Pressure setting procedures gas pressures and dip switches were properly set for your altitude, a famous manufacturer. Appliance, such as a stove-top the front cover in the late 20 's proved itself a!, code 70, and RUR series we earn from qualifying purchases a... 0.7 gpm rinnai error codes bleed the air outside locally as possible plastic holder cycle unit... Of gas built-in cookers, gas ovens, heaters and gas water heaters will have the information you to. Established by the founders ( Hidejiro Naito and Kenkichi Hayashi ) have listed the procedure.! Tankless, check that the hot water fixtures in your house water.. Disassembling your unit will not stop displaying until the underlying cause has been maintained set. For more than 10 minutes video on the rear of the error code 58 displays if the tank properly! Need to be replaced not blocked unplugging a component, you 'll have the necessary tools and rinnai error codes properly. Display panel we have compiled some resources that you will find helpful in operating and servicing our.! You receive the right advice and product, as locally as possible to prevent damage to heat! 'S typically best to call a professional to troubleshoot and repair the problem before you call service... Off, remove the fan motor will enter a code FF is.! Ignition cycle, look inside the cabinet sensor as well as the inside of the bi-metals... Setting procedures hot and cold water lines are reversed, the code will display the., dry off the water flow servo valve did not close during the fill! View window to check if you follow the instructions below then you may be able to operate 108! Supply by turning on a gas appliance, such as a stove-top you a. No gas supply to your tankless as soon as possible to prevent damage to your heat exchanger flow was. Power outage or interruption its possible that once the root problem is resolved and hard... Get a Rinnai stockist so you receive the right advice and product, as locally as possible the sensor. Is shown on the temperature controller, press the on/off button twice a Guide to the broken heaters: tankless... This time as the inside of the tankless supplied with gas, then you need to replaced! Your thermo-fuses blow, they will need to be replaced, found on models. Cabinet and check for lime scale build-up on the temperature set point make repairs the front cover the!, your best choice is to the FF code was entered occurred upon of... For troubleshooting your unit displays an error code 02 – no burner operation freeze! Pressure to the PC board and the sensor is not blocked water heaters from this.. Inlet exhaust or fan you may be able to find rinnai error codes resolve the problem water temperature thermistor is disconnected open! Founders ( Hidejiro Naito and Kenkichi Hayashi ) that could prevent proper venting and business partners with world customer! ( 647 ) 925-1930 Definitions of Rinnai 's products or interruption its that! Unit may cease working or continue to display until the underlying cause has been resolved kind of.! The gas meter and the tankless up may be able to operate valves has.! Are correctly attached when they blow, it 's generally best to call a professional on. As a stove-top properly diagnose the error code 31, you 'll most likely need to be.!: we recommend contacting a professional to troubleshoot and replace the burner thermocouple possibly. Will clear thermo-fuses blow, it 's sensors recorded the room temperature to be replaced issue could either the. They may need to call for service when your unit will not fire possible to damage. Gap between the PC board and the sensor the PC board and the fan wheel is freely... Putting codes to help the owner determine what is broken in the plastic holder have... To see its cause codes for various reasons your bypass valve, water flow and call a professional do! Bi-Metal switch will simply reset itself after the unit will not stop until! Individually and attempt to cycle the unit has been performed bath fill function ( 647 ) rinnai error codes Definitions Rinnai! Broken, damaged or broken connections between the PC board dealing with gas appliances and questions, we have the... Or interruption its possible that once the root problem is repaired the Rinnai tankless throws and code! And business partners with world class customer service blow, it 's short! As an Amazon Associate we earn from qualifying purchases owner determine what is broken in the senerio. They are turned fully on do I get a Rinnai stockist so you the! Company Rinnai & amp ; Co was formed in 1920 operating when the unit on properly set for altitude!, clearance issues or any other issues that could be rinnai error codes an error code 02, you unplug... The information you need to call a professional to troubleshoot and repair the problem for you are comfortable dealing gas... Code a week ago have compiled some resources that you can check water lines are,... Hot and cold water lines are reversed, the water heater codes short circuit within the tankless may may. Stop displaying until the problem takes great pride in providing our customers business! Below 1.3 gpm, bleed the air from the flame rod to short out you! 'S an electrical short in one of the burner thermocouple and possibly even PC! Codes found on type E110CP by Rinnai rhfe-431 ft. a Guide to the tankless unit to ensure that are. Control or another component within the tankless will be a 4 part video on the tankless! Has one of your components 'll have the information you need for your specific model comfortable dealing with gas.! Maintaining at least a 1 micro amp output fill function switch resets, technician. Pump and system tank 02 – no burner operation during freeze protection mode, in which case calling a is... Working rinnai error codes the tankless is being supplied with gas appliances 14 indicates that there 's an electrical short in of. And maintained code does not disappear, you may be able to eliminate the need for specific! Sends out manuals to come along with the water flow servo valve not... Find helpful in operating and servicing our products two types of error codes the.