Turn off all hot water faucets/taps. Press On/Off button twice. Turn hot water back on and test. You may have to try this a couple times to reset the system.Jul 5, 2018
How do I reset my tankless water heater?
The red button on the water heater is where the reset button is located. There are two buttons for each thermostat in some water heaters. The metal plate that holds the thermostat in place may have to be removed to access the reset button.
How do I reset my Rinnai controller?
control•r™ 2.0 - How do I factory reset the module? 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.
How do you reset a tankless water heater after a power outage?
Try resetting the thermostat by first bringing it down to zero. Wait for a couple of minutes and take it to the desired temperature. Hopefully, your water heater not working after power outage should be resolved. If this does not work, the chances are that you may have to replace the thermostat itself.Jul 17, 2019
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.Sep 3, 2018
Why is my tankless water heater not turning on?
Ensure there is no condensation or debris on the burners that may cause them to not ignite. If the flow is too low, the burner will not ignite. Low pressure is one of the most frequent tankless water heater problems and is easy to fix.
How do you reset Rinnai after flushing?
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.Jan 18, 2011