Table of Contents
Advertisement
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.
LED Status
Five flashes and
Thermostat/well sensor fault.
three second pause
Six flashes and
Water leak detected by accessory
three second pause
module.
Seven flashes and
Gas Control electronic fault detected.
three second pause
Eight flashes and
Standing pilot remains on while set
point knob is in "OFF" position.
three second pause
Control Status
Probable Cause
1. Damage to the temperature sensor.
2. Temperature sensor resistance out of
range.
Excessive amount of water in drain
pan/water dam.
1. Control needs to be reset.
2. Control is wet or physically
damaged.
Pilot valve stuck in open position.
5
Green LED Indicator
Service
Procedure
1. See service
procedure V
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.
5
Advertisement
Table of Contents
