Error Code Cause Action - Noritz NRC1111-DV Owner's Manual

Check for an Error Code on the Remote Controller
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If there is a problem with the unit, a numerical error code will flash on the remote controller.
If this occurs, take appropriate measures as listed below.
When an error code appears, the display and the operation light will
flash together.
Error Code
• Any other error code appears.
• An error code is indicated again after the above actions were followed.
• There are any other questions.
Cause
Ignition error
Clogging of condensate
trap or drain pipe
[When supplying combustion
air from the indoors]
The air supply vent may
be clogged.
Abnormal combustion,
low gas supply pressure
Abnormal combustion
Contact Noritz America if:
Remote Controller
Action
Check whether the gas valve is open. Press the power
button to turn the unit off, open a hot water fixture,
and turn the unit back on. If the flashing number
doesn't return the problem is solved.
Check to see if the condensate drain pipe is clogged
or frozen ( p.8)
Contact the installer or Noritz America Technical
Support for assistance.
Clean the air supply vent.(
If the display continues, contact the nearest Noritz
agent.
Have a professional check the gas supply pressure.
Contact the nearest Noritz agent.
Contact the nearest Noritz agent.
Flashing
p.21)
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