How do I find my Rinnai error code?
You can easily find the most recent error codes if your water heater is connected to MC-91 or MCC-91. Press and hold the ON/OFF button for two seconds and press the arrow “UP,” and the last nine Rinnai error codes will appear and flash one after the other.
How do I reset my Rinnai error code?
To temporarily reset the code, press the ON/OFF button 5 times. This will allow the unit to operate for 70 hours after which another LC code will lock the unit from operating.
Why does my Rinnai heater keep turning off?
The main reasons that a gas water heater automatically shuts off are because the pilot light goes out, the pilot light can’t start, or there are problems with the gas supply. If your gas water heater keeps shutting off, the thermocouple could be dirty, bent or damaged.
What is a code 10 on a Rinnai?
Rinnai fault code 10 – Air supply or exhaust blockage. Check to see that nothing is blocking the flue inlet exhaust or fan.
How do I fix error code 12 on Rinnai?
Rinnai Error Code 12 Troubleshooting
- Check gas is turned on at the gas metre or cylinder.
- Check gas is turned on at the water heater.
- Check there are no obstructions to the flue outlet.
Why is my Rinnai beeping?
Your tankless water heater will “beep” and display an error code to alert you to a problem with the system. Tankless water heaters will alert you with an audible alarm when service is required, a component fails, or a gas or water leak is present.
Why is my Rinnai beeping 11?
Rinnai fault code 11 – No ignition. Check to make sure the gas is turned on at the water heater, gas meter or tank. Ensure the igniter is operational. If gas is being supplied to the tankless water heater and the igniter is working, call for an evaluation by a qualified plumber.
How do I fix my Rinnai Code 12?
How do I fix my Rinnai Code 14?
Thermal Fuse or Overheat An error code 14 indicates that your Rinnai is over heating. The issue could either be the bi-metal safety switch or the thermal fuses. 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.
What does error code 03 mean on a Rinnai Water Heater?
Rinnai error code 03 indicates that there has been a power interruption or outage while the Rinnai water heater happens when in use. This commonly occurs when filling a bathtub, causing the water heater to stop producing hot water.
Why does my Rinnai tankless water heater have no hot water?
If you have no hot water, you may have exceeded your tankless water heater capacity or likely have at least one error code. To find your Rinnai error code, you need to check the unit’s digital display where the error code will flash.
What does error code 11 mean on a Rinnai refrigerator?
Rinnai error code 11 is indicative of a problem with the ignition of the unit. Problems with the gas and electrical system can cause a Rinnai error code 11, so they should be inspected for problems. The Rinnai error code 11 may need to be assessed and fixed by a trained technician.
What should I do if my Rinnai heat exchanger does not work?
If this does not work, you may need to replace the heat exchanger. Rinnai error code 00 will usually be replaced by LC code, followed by a number between 0 to 9 in the maintenance code history. It can be observed alternating between the current temperature setting and the LC error code, accompanied by a beeping sound.