Rinnai fault code 10 – Air supply or exhaust blockage. Check to see that nothing is blocking the flue inlet exhaust or fan. Rinnai fault code 11 – No ignition. Check to make sure the gas is turned on at the water heater, gas meter or tank.
How do you clear error codes on Rinnai?
After flushing water heater, the procedure to reset LC codes: Push the two switches (A and B) on PC Board at the same time for five seconds. Water heater will return to normal operation and LC# count returns to 0. This hard reset procedure is not in owners/installation manual or tech sheet.
How do I reset my Rinnai hot water heater?
Press and hold the Connect button on the module until the LED blinks RED and WHITE, and then release then QUICKLY tap 3 times. This will restore the module back to original factory settings.
What is code 11 on a Rinnai heater?
An error code 11 on a Rinnai tankless water heater can appear due to an issue with the ignitor, gas supply, flame rod, venting, excess moisture, and more. Finding the exact cause is important to apply the right solution and get your water heater running again.
Why does my Rinnai gas 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.
Why does my tankless water heater go cold?
A broken flow sensor can cause your tankless water heater to run hot and cold. The flow sensor measures the water entering your system and sends that information to your unit’s control board. If there’s a burst of cold coming into the system, then the controller adjusts the flame.
Why is my Rinnai beeping?
A Rinnai tankless water heater’s alarm can beep continuously when it encounters errors. Some of these potential faults include error codes 2 through 79. Certain events may also cause the unit’s display to show error codes accompanied by other letters instead of numbers.
Why is my Rinnai tankless water heater not working?
This could be a buildup of carbon or a white substance on flame rod, bad connection at flame rod, loose or damaged flame rod, bad PC board, gas valve or low inlet gas pressures. Before replacing the PC board or gas valve continue troubleshooting the steps below. 11.
How long do Rinnai water heaters last?
One of the most common questions asked by consumers about tankless water heaters is how long they will last. A tankless water heater can last anywhere from 15 to 20 years with proper maintenance and operation.
How do I reset my Rinnai Infinity?
Go to a mixer tap in the house and turn it to the full hot position. Then turn the tap handle on and off 10 times. Check if hot water is being produced. If not, repeat for a further 10 times and then check.
What is code 12 on Rinnai?
If you’re getting Rinnai error code 12 on your hot water unit, it indicates that a flame failure has occurred on the system. In this instance, your hot water unit has not recognised that there is a flame in the burner box.
What is code 12 on a tankless water heater?
Error Code 12 occurs when your tankless unit cannot detect a flame. First, check that the gas valve to the unit is open that that there is gas to you home. If there is sufficient gas, the problem is that your flame rods are dirty and need to be cleaned.
Why is my heater flashing 11?
Gas Heater error code 11 is flashing on the digital monitor of your unit, or on the status monitor if you have a Gas Heater controller installed, the first thing that you should do is check that your gas supply is turned on at the heater or gas meter.
Do I need to service my Rinnai gas heater?
Service Frequency
Manufacturers typically recommend that gas heater maintenance and hot water service of their gas appliances be serviced every one or two years. For example, both Rinnai and Bosch generally recommend 2 year and hot water service intervals while Rheem and Paloma recommend annual servicing.
Why does my wall heater turn off after a few minutes?
Lack of air can cause the heaters to shut off of their own accord. If there is not a sufficient amount of air provided to the heater, the exchanger in the set won’t be able to give off heat as a transfer. Take a look at your supply vents and ensure that the area is not blocked.
Why does my propane heater keep shutting off?
If the thermocouple is too far from the flame, this can cause the pilot to go out and shut down the propane heater; you can fix this easily by moving the thermocouple closer to the flame. The thermocouple could also be worn out, in which case it needs to be replaced.
