Model reference
Honeywell GPX
Water Heater
1 document8 error codes
Available documentation
Service Manual
- Service Handbook - Residential FVIR Gas Water Heaters32 pg
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Error codes (8)
CodeMeaning
0 FlashesControl is off or pilot is out.1 FlashNormal operation (bright/dim heartbeat).2 FlashesThermopile voltage is low.4 FlashesTemperature exceeded (ECO activated).5 FlashesSensor failure.7 FlashesInternal control failure.8 FlashesPower off failure.Status Light On (solid)Pilot light was recently extinguished and the thermopile is cooling down.Related Honeywell water heater models
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