How Do I Reset My Rinnai Hot Water Heater


How do I reset my Rinnai water heater?

How To Factory Reset - Press and hold the Connect button (see below) on the module until the LED blinks RED and WHITE, release the button, quickly tap 3 times (the confirms that you really want to factory reset), the module will reboot and the module LED turns solid RED for 5 minutes then returns to solid WHITE when via

Why is my Rinnai water heater not working?

How to Fix: Check for low flow in the water circulation system which causes short cycling. Confirm there are no obstructions in the combustion chamber or exhaust piping. Confirm no blockage in heat exchanger fins. Clean out heat exchanger fins or replace heat exchanger. via

How do you clear the code on a Rinnai tankless water heater?

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. via

Where is the reset button on a 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. via

Why is my tankless water heater not getting hot?

Because tankless units only heat water as it's needed, running too many hot water appliances at the same time could mean the unit just can't keep up. On the other hand, your “no hot water” problem could be cause by a bigger issue such as: Plugged heat exchanger (due to hard water) A blocked vent/air intake. via

How long do Rinnai water heaters last?

The life expectancy (or useful lifespan) of a Rinnai tankless water heater is up to 20 years. Actual life is impacted by water quality, usage and proper maintenance. For comparison, a tankless water heater lasts about twice as long as a tank water heater, making them a better value in the long run. via

Why is my water heater not heating up?

If an electric water heater is not producing hot water, it could be a simple problem like a blown fuse or tripped circuit breaker. Additionally, some electric water heaters have a circuit-style safety switch located near or on the thermostat. via

What is the most common problem with water heaters?

A water tank that produces too little hot water is one of the many common water heater problems you may encounter. Usually this can be solved by turning up the temperature on the tank's thermostat. Be careful, however, not to turn the temperature up too high, as this can be a scalding hazard. No hot water. via

How do you reset a gas hot water heater? (video)

Does a Rinnai tankless water heater have a reset button?

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. via

How do I fix my Rinnai Code 12?

  • 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.
  • via

    What is code 11 on a Rinnai?

    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. Make sure the heat exchanger is not clogged and that low water flow is not causing short cycling. via

    Is there a reset button on a tankless hot water heater?

    To prevent accidental resets, tankless water heaters are designed to prevent accidental resets, so you are probably going to have to hold the button down to get the reset to trigger. via

    What trips the reset button on a hot water heater?

    The reset button: a red button located on the water heater itself (just above the thermostat) that trips when the water temperature exceeds 180 F. The reset button is sometimes referred to as the “ECO” (emergency cut off) or “high limit switch”. via

    How many years does a tankless water heater last?

    Most tankless water heaters have a life expectancy of more than 20 years. They also have easily replaceable parts that extend their life by many more years. In contrast, storage water heaters last 10–15 years. via

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