TROUBLESHOOTING GUIDE
These guidelines should be used by a qualifi ed service agent. Call Sears Service at
for assistance. Inform the associate that this is a “Flammable Vapor Ignition Resistant” Product.
Problem | LED Status | Cause | Solution | |
| OFF | Electronic control module off or pilot | Check for power to heater. | |
| Check wiring harness for proper connection. | |||
| assembly off. | |||
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| Check for line voltage at harness connectors. | ||
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| 1 flash * | Electronic control module is powered | Normal operation. No action required. | |
| and pilot lit. | |||
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| Inspect thermopile connection to gas control | |
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| valve. | |
| 2 flashes * | Thermopile voltage low. | Inspect flame coverage on thermopile. | |
| Check inlet gas pressure. | |||
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| Run open circuit thermopile output test and | |
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| change thermopile if output is low. | |
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| Replace pilot assembly. | |
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| Restart gas control valve. | |
| 3 flashes * | Gas control valve or tank sensor | If main burner turns on after restart, replace | |
| tank sensor. | |||
| failure. | |||
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| If main burner does not turn on after restart, | ||
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| replace gas control valve. | |
| 4 flashes * | Gas control valve overheat failure | Replace gas control valve assembly and | |
| (pilot off or burner off). | electric control module. | ||
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| Verify tank sensor is connected to electric | |
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| control module. | |
| 5 flashes * | Lower tank sensor failure (pilot on | Verify tank sensor is connected to the heater | |
| tank. | |||
| and burner off). | |||
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| Run tank sensor calibration check. | ||
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| Replace tank sensor and electric control | |
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| module. | |
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| Verify tank sensor is connected to electric | |
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| control module. | |
GAS | 6 flashes * | Upper tank sensor failure (pilot on | Verify tank sensor is connected to the heater | |
tank. | ||||
VALVE | and burner off). | |||
| Run tank sensor calibration check. | |||
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| Replace tank sensor and electric control | |
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| module. | |
| 7 flashes * | Electric control module failure (pilot | Replace electric control module. | |
| on or off and burner off). | |||
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| 8 flashes * | Gas control valve failure (pilot off and | Replace gas control valve assembly and | |
| burner off). | electronic control module. | ||
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| 6 second solid light | Pilot stays lit only when control knob | Overheat failure. Replace gas control valve | |
| followed by 4 flashes * | is depressed in PILOT position. | assembly and electronic module. | |
| 6 second solid light | Pilot stays lit only when control knob | Electronic control module failure. Replace | |
| followed by 7 flashes * | is depressed in PILOT position. | module. | |
| 6 second solid light | Pilot stays lit only when control knob | Gas control valve failure. Replace gas control | |
| valve assembly and electronic control | |||
| followed by 8 flashes * | is depressed in PILOT position. | ||
| module. | |||
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| 6 second solid light with | Pilot stays lit only when control knob | Overheat failure and electronic control | |
| combinations of 4 + 7 | module failure. Replace gas control valve | ||
| is depressed in PILOT position. | |||
| flashes * | assembly and electronic module. | ||
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| 6 second solid light with | Pilot stays lit only when control knob | Overheat failure and gas control valve failure. | |
| combinations of 4+ 8 | Replace gas control valve assembly and | ||
| is depressed in PILOT position. | |||
| flashes * | electric module. | ||
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| 6 second solid light with | Pilot stays lit only when control knob | Electric control module failure and gas | |
| combinations of 7 + 8 | control valve failure. Replace gas control | ||
| is depressed in PILOT position. | |||
| flashes * | valve assembly and electronic module. | ||
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| 6 second solid light with | Pilot stays lit only when control knob | Overheat failure, electronic control module | |
| failure, and gas control valve failure. Replace | |||
| combinations of 4 + 7 + 8 | |||
| is depressed in PILOT position. | gas control valve assembly and electronic | ||
| flashes * | |||
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| module. | ||
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| Continuous solid light | System shutdown/safety interlock. | Wait until light goes out to restart gas control | |
| valve. | |||
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* Flashes are approximately 1/10 second in duration with approximately three seconds between groups of flashes.
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