Installation / Operation Instruction Manual

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