Honeywell Gas Control Troubleshooting Chart
Flammable Vapor Ignition Resistant Water Heaters
Observe green LED indicator on Gas Control. Error flash codes are displayed with a three second pause before repeating. Check and repair the system as noted in the troubleshooting table below.
Green LED Indicator
LED Status | Control Status | Probable Cause | ||
|
|
|
|
|
Service
Procedure
Five flashes and
three second
pause
Six flashes and
three second
pause
Seven flashes and
three second
pause
Eight flashes and
three second
pause
Thermostat/well sensor fault.
Water leak detected by accessory module.
Gas Control electronic fault detected.
Standing pilot remains on while set point knob is in “OFF” position.
1.Damage to the temperature sensor.
2.Temperature sensor resistance out of range.
Excessive amount of water in drain pan/water dam.
1.Control need to be reset.
2.Control is wet or physically damaged.
Pilot valve stuck in open position.
1.See service procedure
1.Check T&P valve
2.Check all water fittings.
3.Pressurize and leak test tank.
1.Reset Gas Control
2.Replace Gas Control.
Replace Gas Control.
6
66
