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Observe green LED indicator on gas control. Status
flash codes are displayed with a three second pause
before repeating. Check and repair the system as
noted in the troubleshooting table below.
Honeywell V1 Gas Control Troubleshooting Chart
Flammable Vapor Ignition Resistant Water Heaters
LED Status
Control Status
Probable Cause
Service Procedure
Four flashes
and three
second pause
Excessive tank temperature.
System must be reset.
1. Temperature sensor
out of calibration.
2. Faulty gas control.
Replace gas control.
Five flashes
and three
second pause
Temperature sensor fault.
1. Damage to the
temperature sensor,
resistance is out of
range, or sensor is
unplugged.
2. Faulty gas control.
1.See Service Procedure VI
2.Replace gas control.
Six flashes
and three
second pause
Water leak detected by
accessory module.
Excessive amount of
water in drain pan/water
dam.
1. Check T&P valve.
2. Check all water fittings.
3. Pressurize and leak test
tank.
Seven flashes
and three
second pause
Gas control electronic fault
detected.
1. Control needs to be
reset.
2. Control is wet or
physically damaged.
1. Reset gas control
2. Replace gas control.
Eight flashes
and three
second pause
Standing pilot remains on
while setpoint knob is in
“OFF” position.
Pilot valve stuck in
open position.
Replace gas control.
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