All installations and services must be performed by qualified service personnel.
TURN THERMOSTAT TO CALL FOR HEAT | No | |
DOES THERMOSTAT MAKE CONTACT? | ||
|
IS ROOM TEMPERATURE |
|
BELOW THERMOSTAT SETTING? | |
Yes |
|
Yes | No |
IS THE TRANSFORMER | |
SUPPLYING 24 VOLTS |
|
TO THE THERMOSTAT |
|
Yes
REPLACE THERMOSTAT
No | IS ROOM TEMPERATURE | No |
ABOVE THERMOSTAT | ||
| SETTING? |
|
Yes
COOL THE THERMOSTAT
ARE WIRES CONNECTED | No |
PROPERLY |
|
Yes |
IS THERE 120VAC | No |
ACROSS THE PRIMARY | |
SIDE OF THE |
|
TRANSFORMER? |
|
Yes |
REPLACE TRANSFORMER
TURN T'STAT SETTING
ABOVE ROOM TEMPERATURE
CORRECT WIRE
CONNECTIONS
CHECK INPUT POWER,
DOOR INTERLOCK,SERVICE
SWITCH AND FUSES
DOES BURNER MOTOR |
|
START? | No |
|
IS VOLTAGE PRESENT AT BURNER MOTOR?
Yes
No
IS THE PRIMARY RELAY No
LOCKED OUT ON SAFETY
Yes
PUSH IN RESET BUTTON
CHECK CONTINUITY
OF WIRING
Yes
IS MOTOR RESET | No | |
BUTTON POPPED OUT |
| |
|
|
Yes
PUSH IN RESET BUTTON
IS THE OIL PUMP
FROZEN UP?
Yes |
REPLACE OIL PUMP
No
REPLACE BURNER
MOTOR
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