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49-6000245 Rev. 0 21
TROUBLESHOOTING
Status Light Codes
Status Light Condition Action
OFF Gas control/thermostat turned off Follow instructions in Lighting and Shutdown, page 7,
to turn on the gas control/thermostat.
Pilot burner not lit Follow instructions in Lighting and Shutdown, page 7,
to light the pilot burner.
Power supply insufficient Confirm that the thermopile wire connectors are firmly
attached to the gas control/thermostat.
Inspect thermopile wires and replace if damaged.
Inspect pilot light assembly.
Constantly lit Pilot light recently extinguished and thermopile
cooling
Gas control/thermostat knob recently turned off
Follow instructions in Lighting and Shutdown, page 7,
to light the pilot burner.
1 blink
every 3 seconds
Normal
Gas control/thermostat knob in pilot position and
pilot burner lit
Turn gas control/thermostat knob to desired setting.
2 blinks
every 3 seconds
Low thermopile power, but pilot burner is lit Confirm that the thermopile wire connectors are firmly
attached to the gas control/thermostat.
If fault still occurs, call a qualified service technician.
4 blinks
every 3 seconds
High water temperature limit reached Call a qualified service technician.
5 blinks
every 3 seconds
Water temperature sensor failed Call a qualified service technician.
7 blinks
every 3 seconds
Gas control/thermostat failed Call a qualified service technician.
8 blinks
every 3 seconds
Faulty pilot flame signal Pilot light is out. Wait 10 minutes and attempt to
relight the pilot flame. If error continues, call a
qualified service technician.
STATUS LIGHT CODE
2
4
5
7
8
1
0
Thermopile Voltage Low
Water Over Temperature
Water Temperature Sensor
Gas Control Failure
Wait 10 minutes, Relight
Normal Operation
Control O/Pilot Out
If the yellow Status Light is
not blinking, relight the Pilot.
See Lighting Instructions
on water heater.
If the Status Light blinks more
than 1 flash every 3 seconds,
see Installation Instructions.
Normal Operation
System Error
COLOR
Yellow
Red
Red
Red
Red
Red
FLASHES
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