Schwank SER(IR) - Manual (Page 22)

GP-MSER-BX-11A
SER / IR Manual
RD: March 2006
RL: 11A
KH
MAIN BURNER LIGHTS
Page 18
SPARK STOPS WHEN
BURNER LIGHTS
SYSTEM RUNS UNTIL CALL
FOR HEAT ENDS
CALL FOR HEAT ENDS:
SYSTEM SHUTS OFF
YES
YES
YES
YES NO
NO
NO
NO
→CHECK FOR 25 VAC ACROSS VALVE, IF NO
VOLTAGE, REPLACE IGNITION CONTROL
→SPARK IGNITER MAY BE OUT OF POSITION
→CHECK ELECTRICAL CONNECTION BETWEEN
IGNITION CONTROL AND GAS CONTROL, IF OKAY,
REPLACE GAS CONTROL OPERATOR
NOTE: IF IGNITION CONTROL GOES INTO
LOCKOUT, RESET SYSTEM.
→CHECK CONTINUITY OF SENSOR CABLE AND
GROUND WIRE
→CHECK THAT BURNER FLAME COVERS ALL
ELECTRODES
→IF CHECKS ARE OKAY, REPLACE IGNITION
CONTROL
NOTE: IF IGNITION CONTROLS GOES INTO
LOCKOUT, RESET SYSTEM
→CHECK CONTINUITY OF SENSOR CABLE AND
GROUND WIRE
→NOTE: IF GROUND IS POOR OR ERRATIC, SHUT
DOWNS MAY OCCUR OCCASIONALLY EVEN
THOUGH OPERATION IS NORMAL AT THE TIME
OF CHECKOUT
→IF CHECKS ARE OKAY, REPLACE IGNITION
CONTROL
→CHECK FOR PROPER TEMPERATURE
CONTROLLER OPERATIONS
→REMOVE GAS VALVE LEAD FROM IGNITION
CONTROL, IF GAS VALVE CLOSES, RECHECK
TEMPERATURE CONTROLLER AND WIRING, IF
NOT, REPLACE GAS CONTROL OPERATOR.
TROUBLESHOOTING ENDS