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11/6/2018
© 2015 Rinnai America Corporation
PROPRIETARY and CONFIDENTIAL
Enhancing Lives By Changing The Way Water Is Heated
A fault code will flash on the temperature controller when a error is detected. The unit may stop operating
(code dependent). Turning off water flow or power will clear the code.
ERROR
FAULT
REMEDY
03
Power interruption during Bath fill
(Water will not flow when power returns)
- Turn off all hot water taps and press the ON/OFF button twice.
05
Bypass Flow Control
- Measure resistance values of the by-pass flow control
- Replace By-Pass Servo valve assembly
10
Air Supply or Exhaust Blockage
- 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
Condensate trap is full
(N
– Series Water Heaters)
- 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.
11
No Ignition
- Check air filter to ensure it is not clogged, clean if necessary.
- 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.
Fault Codes
