Table of Contents
Advertisement
TROUBLESHOOTING
LED
DESCRIPTION
ACTIVITY
OEM FACTORY TEST
STEADY ON
MODE
RAPID
FIELD TEST MODE
FLASH
1 FLASH
LOW FLAME SENSE
2 FLASHES
ID PLUG FAILURE
3 FLASHES CONTROL FUSE OPEN AMBER
STANDBY NORMAL
STEADY ON
OPERATION NO
THERMOSTAT CALL
RAPID
CLEAR ERROR
FLASH
HISTORY
CALL FOR
1 FLASH
HEATING
CALL FOR
2 FLASHES
COOLING
CONTINUOUS
3 FLASHES
FAN OPERATION
MINIMUM
COLOR
LOCKOUT PERIOD
AMBER
N/A
AMBER
N/A
AMBER
N/A
HARD LOCKOUT
AMBER
HEATING MODE
5 MINUTES
GREEN
N/A
GREEN
N/A
GREEN
N/A
GREEN
N/A
GREEN
N/A
POSSIBLE CAUSES
• Flame sensor incorrectly
positioned in burner
flame.
• Flame sensor is coated
and/or oxidized.
• Improper gas pressure ot
combustion air.
• Improper ID plug.
• Blown fuse.
CORRECTIVE ACTIONS
• Inspect for proper sensor alignment.
• Clean flame rod.
• Compare gas pressure to rating plate info.
Adjust as needed.
• Replace ID plug.
• Inspect wiring for damage, mis-wiring or short to
ground.
• Replace integrated control module fuse (3A).
38
Advertisement
Table of Contents
