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Troubleshooting continued-
LED Statu
s
Control Status Probable Cause
Six flashes, two
flashes, three
second pause
(
Soft Lockout
)
Relay not working properly
during burner operation,
system auto resets after
(
5
)
minutes
Faulty relay
Six flashes, three
flashes, three
second pause
(Soft Lockout)
Pilot flame extinguished,
system auto resets after
(5) minutes
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
Six flashes, four
flashes, three
second
p
ause
Undesired false pilot flame
sensed, system auto
resets
Pilot valve stuck in open position
Seven flashes,
three second
pause
Flammable vapor sensor or
resettable thermal switch
fault detected, see
warning label
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 o
p
en
Eight flashes, one
flash, three
second pause
Flammable vapor sensor
out of specification,
possible short
1. Flammable vapor sensor out of
specification
2. Possible short in flammable vapor sensor
or resettable thermal switch wiring
Eight flashes,
three flashes,
three second
pause
Thermal well sensor
damaged or unplugged or
gas valve electronics fault
detected
1. Damage to thermal well wires
2. Thermal well sensor resistance out of
range
3. Replace thermal well
4. Verify control is not wet or physically
damaged
5. Reset control on/off switch
6. Replace electronic module if 8-3 error
p
ersists
Eight flashes, four
flashes, three
second pause
Gas valve fault detected
1. Verify control is not wet or physically
damaged
2. Reset control on/off switch
3. Replace gas control if 8-4 error persists
Fault Probable Cause
Resettable Thermal Switch Tripped (Open)
1. Insufficient combustion air
2. Flammable vapors present