Blodgett KLS-20G User Manual

29

Unit will not come on

- 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.

Unit will turn on electrically but will not heat

- 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.