Advertisement
START
ENGAGE SWITCH
TO CALL FOR HEAT
DOES THE PILOT
START TO SPARK
YES
AFTER PREPURGE
IS THERE SPARK
AT THE PILOT
YES
PILOT BURNER
LIGHTS
YES
SPARK STOPS
WHEN PILOT LIGHTS
YES
MAIN BURNER LIGHTS
YES
SYSTEM RUNS UNTIL
CALL OFF HEAT
YES
CALL FOR HEAT OVER
SYSTEM SHUTS OFF
YES
END TROUBLE SHOOTING
TROUBLESHOOTING CHART
NO
CHECK FOR 3V
ADAPTER CONNECTION
YES
REPLACE MODULE
NO
IS THERE ANY
AUDIBLE SPARK
NO
REPLACE MODULE
NO
NO
NO
NO
NO
CHECK SWITCHING DEVICE AND VALVE
CHECK LINE VOLTAGE,
TRANSFORMER OUTPUT,
WIRING, ETC.
YES
CHECK IGNITION WIRING
AND PILOT ASSEMBLY
CHECK VALVE,
WIRING, ETC.
CHECK FLAME SENSE
AND TP TERMINAL
CHECK IF FLAME COVERS
ROD, CLEAN SENSOR ROD
CHECK VALVE, WIRING
CHECK CONTINUITY OF
SENSOR AND TP TERMINAL
POOR GROUNDING MAY
CAUSE OCCAISONAL
SHUTDOWNS. CHECK FOR
EXCESSIVE HEAT AT ROD
Advertisement
Troubleshooting
