Bradford White RG1PV50S6X19-264 Manual page 35

Troubleshooting continued-
LED Status
Six flashes-two
flashes, three
second pause
(Soft lockout)
Six flashes-three
flashes, three
second pause
(Soft lockout)
Six flashes-four
flashes, three
second pause
(Soft lockout)
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
Pressure switch or
blower
temperature
switch opened
during burner
operation.
System auto
resets after 5
minutes.
Pilot flame
extinguished.
System resets
after 5 minutes.
Undesired-false
pilot flame sensed.
System auto
resets.
Flammable vapor
sensor fault
detected, see
warning label.
Flammable vapor
sensor out of
specification.
Possible short.
Temperature
sensor fault.
Electronics fault
detected.
Gas valve fault
detected.
Probable Cause
1. Pressure switch tubing kinked or blocked.
2. Vent blockage or improper vent
configuration.
3. Vent termination being affected by windy
conditions.
4. Blower not spinning up to speed.
5. Vent temperature too high.
6. Faulty pressure switch or blower temp.
switch.
1. Unstable pilot.
2. Pilot tube blocked 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.
1. Flammable vapor sensor out of
specification.
2. Possible short.
1. Damage to sensor or wire in control's well.
2. Control's sensor resistance out of range.
3. Replace Control.
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.
35