FAQ - What does a 90 error code mean?
Article Number: 216 | Rating: 3.6/5 from 9 votes | Last Updated: Mon, Oct 6, 2014 2:33 PM
A 90 error code indicates a combustion abnormality. This means that the mixture of fuel and air is off from specification and is resulting in poor quality combustion.
Common issues associated with a 90 error code:
1) Insufficient gas supply
2) Blockage in the flue vent
3) Debris in the fan motor
It is recommended you contact a servicer to troubleshoot this error.
Common issues associated with a 90 error code:
1) Insufficient gas supply
2) Blockage in the flue vent
3) Debris in the fan motor
It is recommended you contact a servicer to troubleshoot this error.
Please visit http://support.noritz.com/servicereplocator.php to find a local service representative.
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