TROUBLESHOOTING |
|
PROBLEM | LOOK FOR |
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. |
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