42
Troubleshooting-3
Contact Noritz America if:
• Any other error code appears.
• An error code is indicated again after the above actions were followed.
• There are any other questions.
Error Code Cause
Action
Ignition error
Check whether the gas valve is open. Press the power button to turn
the unit off, open a hot water fixture/faucet, and turn the unit back on.
If the flashing number doesn't return the problem is solved.
Check air supply vent for blockage or obstruction. (
p.35)
[When supplying combustion
air from the indoors]
The air supply vent may
be clogged.
Check exhaust vent for blockage or obstruction.
Have a professional check the gas supply pressure.
Check condensate drain line is clogged or frozen.
If the display continues, contact nearest Noritz agent.
Exhaust vent may be clogged.
Abnormal combustion,
low gas supply pressur.
Condensate drain line may
be clogged.
When a failure occurs, information relating to the error blinks on the display.
The error alarm may also continuously sound.
Checking for Error Conditions
The display may indicate the type
of failure that has occured depending
on the system configuration.
Error Code Display Screen
To Stop the Error Alarm
Press the
button (the indicator will turn off).
This unit is equipped with an automatic service reminder.
Excessive scale build-up may cause premature failure of the heat exchanger.
Excessive dust or lint build-up in the fan and air intake may affect
efficiency and combustion performance.
Contact Noritz America for additional information about recommended
maintenance procedures (866-766-7489).
Service Reminder
(Warning Indication)
11
90
C1#
# = 1-9
Summary of Contents for GQ-C3259WZ-FF US
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