Bradford White ECO-DEFENDER U130T*FRN Service Manual page 6

Ultra low nox gas water heater
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LED Status
Five flashes
and three
second
pause.
Six flashes
and three
second
pause.
Seven flashes
and three
second
pause.
Eight flashes
and three
second pause
Ten flashes
and three
second pause
6
Control Status
Thermostat well fault.
Chamber door
temperature sensor out
of specification.
Possible electrical
short.
Gas valve electronic
fault detected.
False pilot flame
present.
Insufficient combustion
air detected. Reset
system.
Gas Control Troubleshooting
Probable Cause
1. Damage to the
thermowell wire.
2. Thermowell
See page 14.
sensor resistance
out of range.
1. Chamber door
temperature sensor
out of calibration.
See page 18.
2. Possible
electrical short.
1.Turn gas control knob
1. Control needs to
to "OFF" position and
be reset
then follow lighting
2. Control is wet or
instructions.
physically damaged
2. Replace gas control,
see page 16.
Pilot valve stuck in
Replace gas control, see
open position.
page 16.
Insufficient
See page 19 and 23.
combustion air.
Page 6
Service Procedure

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