Troubleshooting chart – Kenmore 153.331492 User Manual

Page 36

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TROUBLESHOOTING CHART

PROBLEM

LED STATUS

POSSIBLE CAUSE(S)

CORRECTIVE ACTION

OFF

Electronic control module offer pilot

Check wiring harness for proper connection.

flame off

Ignite pilot flame.

1 flash *

Electronic control module is powered
and pilot lit.

Normal operation. No action required.

Inspect thermopile connection to gas control

valve/thermostat.

2 flashes *

Thermopile voltage low.

Inspect flame coverage on thermopile.

Check inlet gas pressure.

Run open circuit thermopile output test and
replace pilot assembly if output is below 350 mV.

Restart gas control valve.

3 flashes *

Gas valve or tank sensor failure.

If main burner turns on after restart, replace

tank sensor.

If main burner does not turn on after restart,

replace gas valve assembly.

4 flashes *

Gas control valve overheat failure
(pilot off or burner off).

Replace gas control valve/thermostat.

Verify tank sensor is connected to electronic

control module.

5 flashes *

Lower tank sensor failure (pilot on
and burner off).

Verify tank sensor is connected to the heater
tank.

Run tank sensor calibration check.

Replace tank sensor and electronic control
module.

GAS CONTROL

VALVE/

THERMOSTAT

Verify tank sensor is connected to electronic

control module.

6 flashes *

Upper tank sensor failure (pilot on
and burner off).

Verify tank sensor is connected to the heater
tank.

Run tank sensor calibration check.

Replace tank sensor and electronic control
module.

7 flashes *

Electronic control module failure
(pilot on or off and burner off).

Replace electronic control module.

8 flashes *

Gas control valve failure (pilot off
and burner off).

Replace gas control valve/thermostat.

6 second solid light
followed by 4 flashes *

Pilot stays lit only when control knob
is depressed in PILOT position.

Overheat failure. Replace gas control valve/
thermostat.

6 second solid light
followed by 7 flashes *

Pilot stays lit only when control knob
is depressed in PILOT position.

Electronic control module failure. Replace
module.

6 second solid light
followed by 8 flashes *

Pilot stays lit only when control knob
is depressed in PILOT position.

Gas control valve failure. Replace gas control
valve/thermostat.

6 second solid light with
combinations of 4 + 7
flashes *

Pilot stays lit only when control knob
is depressed in PILOT position.

Overheat failure and electronic control module

failure. Replace gas control valve/thermostat.

6 second solid light with
combinations of 4+ 8
flashes *

Pilot stays lit only when control knob
is depressed in PILOT position.

Overheat failure and gas control valve failure.
Replace gas control valve/thermostat.

6 second solid light with
combinations of 7 + 8
flashes *

Pilot stays lit only when control knob
is depressed in PILOT position.

Electronic control module failure and gas
control valve failure. Replace gas control valve/

thermostat.

6 second solid light with
combinations
of 4 + 7 + 8 flashes *

Pilot stays lit only when control knob
is depressed in PILOT position.

Overheat failure, electronic control module

failure, and gas control valve failure. Replace
gas control valve/thermostat.

Continuous solid light

System shutdown/safety interlock.

Wait until light goes out to restart the gas control
valve/thermostat.

Flashes are approximately 1/10 second in duration with approximately three seconds between groups of flashes.

36

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