Bradford White U-100T-88R-3N - Manual (Page 6)

Page 6
LED Status Control Status Probable Cause Service Procedure
Three flashes
and three
second
pause.
Insufficient water
heating. System will
reset.
1. Thermowell
sensor and chamber
temperature sensor
out of calibration.
2. Possible short.
1&2. Replace gas
control, see page 15.
Four flashes
and three
second
pause.
Excessive tank
temperature. System
must be reset.
1. Thermowell
sensor out of
calibration.
2. Faulty gas valve.
1. See page 14.
2. Replace gas control,
see page 15.
Five flashes
and three
second
pause.
Thermostat well fault.
1. Damage to the
thermowell wire.
2. Thermowell
sensor resistance
out of range.
1&2. Replace gas
control, see page 15.
Seven flashes
and three
second
pause.
Gas valve electronic
fault detected.
1. Control needs to
be reset
2. Control is wet or
physically damaged
1.Turn gas control knob
to "OFF" position and
then follow lighting
instructions.
2. Replace gas control,
see page 15.
Eight flashes
and three
second pause
False pilot flame
present.
Pilot valve stuck in
open position. Replace gas control, see
page 15.
Gas Control Troubleshooting
ECO-MAGNUM
75/100-Gallon Atmospheric
6