Bradford White Defender RG130T Series Service Manual page 9

Honeywell V1 Gas Control Troubleshooting Chart
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.
LED Status
None (LED not
Pilot assembly is not lit.
on or flashing)
1. If setpoint knob is in "PILOT"
position then pilot flame is
detected. Turn setpoint knob
One flash and
to desired setting.
three second
2. If the setpoint knob is
pause
already at the desired
setting, the water heater is
satisfied.
Setpoint knob has been recently
LED on
turned to the "OFF" position. Wait
continuously
until LED goes out before
(solid)
attempting to relight.
Two flashes Weak pilot signal detected.
and three System will reset when pilot
second pause flame is sufficient.
Three flashes
Insufficient water heating.
and three
System will reset.
second pause
V
Flammable Vapor Ignition Resistant Water Heaters
Control Status Probable Cause
Gas control is not
powered. Light pilot.
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.
Setpoint knob was
turned to "OFF"
position.
1. Thermopile failure.
2. Unstable pilot.
3. Pilot tube blocked or
restricted.
1. Thermal sensor out
of calibration.
2. Faulty gas control.
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Service Procedure
If the pilot will not stay lit
replace pilot assembly. If
problem persists replace
gas control.
Normal operation.
LED will go out and the
control will function
normally once the pilot is lit.
1. See Service Procedure IV
2. See Service Procedure II
3. See Service Procedure II
Replace gas control.
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