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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
V
LED Status
Control Status
Probable Cause
Service Procedure
None (LED not
on or flashing)
Pilot assembly is not lit.
Gas control is not
powered. Light pilot.
If the pilot will not stay lit
replace pilot assembly. If
problem persists replace
gas control.
One flash and
three second
pause
1. If setpoint knob is in “PILOT”
position then pilot flame is
detected. Turn setpoint knob
to desired setting.
2. If the setpoint knob is
already at the desired
setting, the water heater is
satisfied.
1. Gas control is
powered and waiting
for setpoint knob to
be turned to a water
temperature setting.
2. Water heater is
satisfied and
operating normally.
Normal operation.
LED on
continuously
(solid)
Setpoint knob has been recently
turned to the “OFF” position. Wait
until LED goes out before
attempting to relight.
Setpoint knob was
turned to “OFF”
position.
LED will go out and the
control will function
normally once the pilot is lit.
Two flashes
and three
second pause
Weak pilot signal detected.
System will reset when pilot
flame is sufficient.
1. Thermopile failure.
2. Unstable pilot.
3. Pilot tube blocked or
restricted.
1. See Service Procedure IV
2. See Service Procedure II
3. See Service Procedure II
Three flashes
and three
second pause
Insufficient water heating.
System will reset.
1. Thermal sensor out
of calibration.
2. Faulty gas control.
Replace gas control.
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