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LED STATUS PROBLEM CORRECTIVE ACTION
4 FLASHES The Gas Control Valve's
temperature sensor has detected
that the water temperature was too
high. Once this condition occurs,
the Main Burner and the Pilot Light
wilt be shut off. Since the Pilot light
will be off, should this condition
occur, this Flash Code will only
be displayed immediately after
the Pilot has been relit. Turn Gas
Control Valve/Thermostat knob to
OFF.
Relight pliot and verify 4 flashes. If 4 flashes are
observed turn Gas Control Valve/Thermostat knob
to OFF. Turn Main Gas Supply OFF. Replace the
Gas Control Valve/Thermostat.
5 FLASHES The temperature sensor Turn Gas Control Valve/Thermostat knob to OFF.
(thermistor) is defective. Replace the Gas Control Valve/Thermostat.
7 FLASHES Gas Control Valve failure. Turn Gas Control Valve/Thermostat knob to OFF.
Turn Main Gas Supply OFF. Gas Control Valve/
Thermostat.
8 FLASHES
This condition only appears if the
gas control/temperature knob has
been turned off and the thermopite
continued to produce electric
power. This condition can occur
if the thermopile does not cool
down as quickly as expected when
the unit is shut off. This condition
can also occur if the gas control/
temperature knob has been turned
off and the pilot continues to
operate because the pilot valve is
stuck in the open position.
Make sure that the gas control valve/thermostat
knob is set to OFF. Wait one minute. Remove
the outer door. Look through the sight glass for
a pilot flame. If a pilot flame is observed with the
gas control valve/thermostat knob set to the OFF
position, the pilot valve is stuck open. Turn the main
gas supply OFF. Replace the gas control valve/
thermostat. For instructions, see "Removing and
Replacing the Gas Control Valve/Thermostat."
If the pilot flame is not observed when the gas
control valve/thermostat knob is set to the OFF
position, wait 10 minutes for the thermopite to cool,
then attempt to relight the pilot by following the
lighting instructions on the water heater's label. If
this condition returns, replace the gas control valve/
thermostat. See "Removing and Replacing the Gas
Control Valve/Thermostat" for instructions.
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