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Fault Codes
A fault code will flash on the temperature controller when a error is detected. The unit may stop operating
ERROR
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© 2015 Rinnai America Corporation
PROPRIETARY and CONFIDENTIAL
(code dependent). Turning off water flow or power will clear the code.
FAULT
Air Supply or Exhaust Blockage
Condensate trap is full
(N – Series Water Heaters)
No Ignition
Enhancing Lives By Changing The Way Water Is Heated
REMEDY
-
Ensure internal air filter is not clogged, clean if necessary.
-
Ensure combustion air and exhaust venting is not blocked and approved
venting is being used.
- Check all vent components for proper connections.
-
Ensure vent length is within
limits.
- Check fan for blockage and proper operation.
-
Verify high altitude parameter was properly set.
-
Ensure exhaust check valve behind fan is not stuck in the closed position.
- Replace fan
-
Check condensate drain line for blockage.
- Check for proper slope of drain line.
- Ensure drain line does not have any sags, allowing water to build-up in pipe.
- Ensure condensate drain line and termination is not frozen up.
-
Check air filter to ensure it is not clogged, clean if
- Check that the gas is turned on at the water heater, gas meter, or cylinder.
- If the system is Propane, ensure the tank has adequate quantity of gas in it.
-
Ensure the appliance and circuit board are properly grounded.
- Ensure gas type and inlet gas pressure are correct.
- Ensure gas line, meter and or regulator are sized properly.
-
Bleed all air from the gas lines.
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necessary.
8/17/2021
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