There are various reasons that a Rinnai water heater may experience a fault code such as ‘rinnai error code 11’. These may include gas type interruption, faulty wiring, reverse hot and cold water lines, and blockage of the water filter. Some Rinnai models may also fail with no error code at all, and in this case, the faulty part could be any of these. To troubleshoot a Rinnai error code 11 problem, you should try the following:
The first thing to do when faced with this error is to look for the cause of the problem. In most cases, the error code indicates that the thermal switch or thermal fuse is not functioning properly. To resolve this error, you may have to clean or replace the electrical components. Other possible causes of this error code include an obstruction in the airflow or the combustion chamber. If you encounter this error, it is advisable to contact a technician.
Other potential causes for Rinnai error code 11 include gas supply, ignitor, or excess moisture in the unit. However, it is important to determine which of these issues has caused the problem so that you can apply the right solution. If you can clean the ignitor, you can try the following solution:
In case you notice a gas flow error, the best way to troubleshoot the problem is to call a Rinnai repair technician. They can fix this problem quickly and easily. If the problem continues, you may need to call a technician and get the unit checked by an expert. It is also possible to diagnose the cause of the error code 11 by consulting the manufacturer’s manual. If all these methods don’t work, you can always contact a plumber.
Another cause of Rinnai error code 71 is a faulty solenoid valve. If this is the case, you should check the connection of the solenoid valve. Make sure that the leak sensor is in good condition. Check for loose connections and damaged piping to diagnose the cause of the error code. Otherwise, it means there is a leak in the gas valve. In order to fix the problem, you must replace the solenoid valve, gas valve assembly, and burner.
Another cause for Rinnai error code 51 is a malfunction in the modulating gas solenoid valve. If the flow rate is less than expected, there is a chance that the sparker is faulty. To test this, you need to shut off the unit and make sure all the dip switches are working properly. You may also find moisture on the PCB board. Regardless of the cause, contact a Rinnai service technician for a quick fix.
If you’re still experiencing a problem after troubleshooting the problem, consider calling a plumber. This is especially helpful if you’re not sure what to do next. For instance, if the problem is related to your tankless hot water system, a damaged air intake filter switch may be the culprit. Fortunately, there are some steps you can take to fix a Rinnai error code 11 and avoid the costly expense of calling a plumber.