Bradford White U-65T-55FR-3N - Manual (Page 11)

11
Troubleshooting continued-
(In addition to instruction manual.)
LED Status Control Status Probable Cause
Five flashes and three
second pause.
Thermostat well fault.
1. Damage to the
thermowell wire.
2. Thermowell sensor
resistance out of
range.
3. Replace thermowell.
4. Verify control is not
wet or physically
damaged.
5. Turn set point knob to
"OFF" position. Turn
set point knob to
"PILOT" position and
light pilot.
6. Replace gas valve if
five flash error
persists.
Six flashes and three
second pause.
Chamber temperature sensor
out of specification. Possible
short.
1. Chamber temperature
sensor out of
calibration.
2. Possible short.
Seven flashes and
three second pause. Gas valve electronic fault
detected.
1. Verify control is not
wet or physically
damaged.
2. Turn set point knob to
"OFF" position. Turn
set point knob to
"PILOT" position and
light pilot.
3. Replace gas valve if
seven flash error
persists.
Eight flashes and three
second pause.
False pilot flame present.
Pilot valve stuck in open
position.
Ten flashes and three
second pause. Insufficient combustion air
detected. Reset system.
Insufficient combustion air.