Bradford White FVIR Defender Safety System RG240T6N394264475 Installation/Operation Instruction Manual page 27

Gas-fired water heater
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Troubleshooting- White Rodgers Electronic
LED Status
None (LED not
on or flashing)
One flash
every four
seconds
One flash
every second
Solid ON
Two flashes
and three
second pause
Four flashes
and three
second pause
Five flashes
and three
second pause
Control Status
Indicates control is off.
Main and pilot burner
are off.
Not an error. Indicates
pilot is lit and main
burner is off.
Not an error. Indicates
main valve is open and
main burner is lit.
Not an error.
Indicates that the
control is in shutdown
mode.
Low thermopile
voltage; main burner
not lit.
Temperature cut-out
limit reached, causing
shutdown.
Electronics, sensor, or
gas valve fault
detected.
Probable Cause
Gas valve is functioning normally.
Gas valve is not powered. Light pilot.
Gas valve is powered and waiting for the
set point knob to be turned to a water
temperature setting. If the set point knob
is at desired setting, the thermostat is
satisfied.
Thermostat is calling for heat. Water
heater operating normally and is in heat
cycle.
Set point knob was recently turned to
"OFF" position. Wait until LED goes out
before attempting to relight.
Loose thermopile connections or weak
pilot flame.
Excessive temperatures may have been
reached. Shut off the control and reduce
the water temperature. Thoroughly verify
control operation, replace if exceeding
setpoint.
Control may be wet or damaged. Verify
all connections are tight; if problem
persists replace the control.
27

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