Daikin DP14UM Service Instructions Manual page 35

TROUBLESHOOTING CHARTS
LED
DESCRIPTION
ACTIVITY
OEM FACTORY TEST
STEADY ON
MODE
RAPID
FIELD TEST MODE
FLASH
1 FLASH LOW FLAME SENSE AMBER
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
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 • Inspect for proper sensor alignment.
positioned in burner • Clean flame rod.
flame. • Compare gas pressure to rating plate info.
• Flame sensor is coated Adjust as needed.
and/or oxidized.
• Improper gas pressure ot
combustion air.
• Improper ID plug. • Replace ID plug.
• Blown fuse. • Inspect wiring for damage, mis-wiring or short to
ground.
• Replace integrated control module fuse (3A).
CORRECTIVE ACTIONS
35