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TROUBLESHOOTING
DIAGNOSTIC
LED - RED
1 FLASH
2 FLASHES
3 FLASHES
4 FLASHES
5 FLASHES
6 FLASHES
DIAGNOSTIC
LED - AMBER
1 FLASH
2 FLASHES
NOTE:
Fault Recall
The ignition control stores the last 5 faults in memory with the most recent fault indicated first. To retrieve the faults, de-
press the fault recall button for 2 seconds while in the stand-by mode. To clear the fault memory, depress fault button for 5
seconds but not more than 10 seconds.
ON
NORMAL OPERATION
NO POWER OR
OFF
INTERNAL CONTROL
IGNITION FAILURE
PRESSURE SWITCH OPEN
PRESSURE SWITCH CLOSED
WITHOUT INDUCER ON
OPEN LIMIT SWITCH
FALSE FLAME DETECTED
COMPR. SHORT CYCLE DELAY
OFF
NO FLAME PRESENT
NORMAL FLAME PRESENT
ON
LOW FLAME SIGNAL
FALSE FLAME DETECTED
APPENDIX
STATUS
FAULT
CHECK PRESSURE SWITCH
CHECK PRESSURE SWITCH
CHECK WIRING FOR SHORTS
CHECK MAIN LIMIT SWITCH
CHECK AUXILIARY LIMIT SW.
CHECK ROLLOUT LIMIT SW.
STATUS
21
CHECK
CHECK
-
-
CHECK INPUT POWER
CHECK FUSE(S)
GAS FLOW
GAS PRESSURE
GAS VALVE
FLAME SENSOR
CHECK TUBING
CHECK VENT MOTOR
CHECK GAS VALVE
CHECK FOR SHORTS IN
FLAME SENSOR WIRING
3 MIN COMP. SHORT
CYCLE DELAY
CHECK
-
-
GAS FLOW
GAS PRESSURE
GAS VALVE
FLAME SENSOR
CHECK GAS VALVE
CHECK FOR SHORTS IN
FLAME SENSOR WIRING
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