Bradford White RG1D Installation & Operation Instructions page 30

Troubleshooting continued-
(Applies to RG1D and RG2D models)
LED Status
Six flashes, three
flashes, three
second pause
(Soft Lockout)
Six flashes, four
flashes, three
second pause
Seven flashes,
three second
pause
Eight flashes, one
flash, three second
pause
Eight flashes, two
flashes, three
second pause
Eight flashes,
three flashes,
three second
pause
Eight flashes, four
flashes, three
second pause
Control Status
Pilot flame extinguished,
system auto resets after (5)
minutes
Undesired false pilot flame
sensed, system auto resets
Flammable vapor sensor or
resettable thermal switch
fault detected, see warning
label
Flammable vapor sensor out
of specification, possible
short
Temperature sensor fault
detected
Electronics fault detected
Gas valve fault detected
Probable Cause
1. Unstable pilot
2. Pilot tube block or restricted
3. Oxidation build-up on pilot electrode
4. Wire damage to pilot assembly or bad
connection at gas valve
5. Insufficient combustion air
Pilot valve stuck in open position
1. Flammable vapor present
2. Flammable vapor sensor exposed to
excessive moisture
3. Flammable vapor sensor exposed to
extreme ambient temperature
4. Resettable thermal switch open
1. Flammable vapor sensor out of specification
2. Possible short in flammable vapor sensor or
resettable thermal switch wiring
1. Damage to thermal well sensor wires
2. Thermal well sensor resistance out of range
3. Replace thermal well
1. Verify control is not wet or physically
damaged
2. Reset control on/off switch
3. Replace electronic module if 8-3 error
persists
1. Verify control is not wet or physically
damaged
2. Reset control on/off switch
3. Replace gas control if 8-4 error persists
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