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.
What is code 11 on a tankless water heater?
Noritz Error Code 11
This indicates ignition failure in your tankless water heater. It means that your unit is not firing up to heat the water, a situation that can be caused by insufficient gas supply, insufficient airflow or debris on the ignition plug.
How do you clear a Rinnai code?
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 tankless?
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.
How do I fix noritz Code 11?
How to Troubleshoot a Noritz Code 11
- Find the gas valve connected to the Noritz water heater and turn the gas valve counterclockwise until it no longer turns to open it completely. Video of the Day.
- Turn the power off to the unit by pressing the “Power” button.
- Turn the hot water back off.
How do I fix Error 11 on Rinnai gas heater?
Troubleshoot your error code:
- Usually indicates a no ignition or no gas supply on your gas system.
- Make sure your gas supply is turned on.
- Check the filters grills are clean.
- Make sure the heater is plugged in,
- Switch off the power for at least 5 seconds then switch it back on.
How do I reset my Rinnai Code 11?
Rinnai Error Code 11
- Check your hot water system for any visible damage or loose parts.
- Locate your gas supply and ensure it is turned on.
- Test your gas supply by turning on a gas appliance, such as a stove-top. Ensure you turn it off after testing.
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.Incorrect gas pressure supply your hot water unit.
How do I stop my Rinnai from beeping?
If you’ve overloaded the system, but it continues to operate, the only way to improve the hot water supply is to reduce the demand. Turn off faucets, for example. If the system shuts down because of the overloading, it may reset itself once you reduce hot water demand. If not, you’ll need to do a manual reset.
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.
How do you check gas pressure on a tankless water heater?
Adjusting Manifold Gas Pressures
- Turn on the gas valve and inspect the unit for any gas leaks before closing the water valve and reconnecting the power to the unit.
- To test the gas pressures, turn on the manometer and wait until it displays 0.00.
- Locate the burner glass window and confirm there is a flame.
How do I fix noritz error code F76?
Noritz error code F76 means there is a problem in the communication system of multiple tankless water heaters. To fix a Noritz error code F76, you must restart the heaters, check the quick connect cord, and ensure that only one remote is connected to the two units.
How long do Noritz tankless water heaters last?
Double the lifespan Noritz tankless gas water heaters can last up to 20 years. Peace of Mind All Noritz instant hot water heaters include a 12-year warranty on the heat exchanger, 5 years on parts and 1 year labor.
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.
How do you check a Rinnai igniter?
Verify igniter is working. Turn off gas valve feeding the appliance. Unplug igniter wire; hold the igniter wire with an insulated pair of pliers about a 1/4″ from a piece of metal. Cycle the unit to ensure you see a spark when unit is cycling.
What is code 12 on a tankless water heater?
Error Code 12 relates to flame failure which is when the heater can’t maintain a flame. You should check that the system is receiving gas that’s the right pressure and type. Also, check for carbon buildup in the flame rod and bleed excess air from the gas lines.
Why is my Rinnai hot water heater beeping?
A water heater may sound a beep to warn that there is a water leak. Leaks may be obvious if the floor is wet near the water heater, but the leak might also be somewhere along the line. The beeping may be initiated by a water heater shutoff feature, a flood prevention device. Beeping may also signal a gas leak.
When you press the “Priority button,” the green light will glow, indicating that the controller controls the temperature and that a water heater is ready. Rinnai water heaters work in the temperature range from 98 F to 140 F, while they come with the factory setting of approximately 120-125 F.
How do you find the error code on a Rinnai?
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.
Where are the DIP switches on a Rinnai water heater?
Locate the dip switches, which are located under the bottom right corner beneath the label.
What temperature should Rinnai be set at?
120?
For your safety, Rinnai tankless water heaters come with a maximum temperature default setting of 120? to help prevent scalding. However, by following these simple steps, you can increase the temperature to 140? if you choose.
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