Troubleshooting - Blodgett KLS-20G Installation, Operation And Maintenance Manual

TROUBLESHOOTING

PROBLEM
Unit will not come on
Unit will turn on electrically but will not heat
LOOK FOR
- Power switch is off.
- Unit not plugged in.
- Main power supply off.
- Bad electronic module.
- Bad low water control.
- Bad spark igniter.
- Bad intermittent pilot burner.
- Fuse in unit blown.
- Lockout has occurred.
- Thermostat not on.
- Gas control valve off.
- Main gas supply off.
- Low water.
- Bad thermostat.
- Bad pressure switch.
- Bad gas control valve.
- Bad spark igniter.
- Bad igniter cable.
- Bad intermittent pilot burner.
- Faulty gas control.
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