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ENGLISH
FAULT DIAGNOSIS BY REMOTE CONTROLLER
The temperature display sections indicate corresponding codes.
1. When the ON TIMER CANCEL button or OFF TIMER CANCEL button is held down for
5 seconds, a “
” indication flashes on the temperature display section.
2. Press the ON TIMER CANCEL button or OFF TIMER CANCEL button repeatedly until a
continuous beep is produced.
• The code indication changes as shown below, and notifies with a long beep.
FAULT DIAGNOSIS (For Inverter only)
ERROR
MEANING
CODE
00 NORMAL
A1 INDOOR PCB ERROR
A3 DRAIN PUMP ABNORMAL
A5 ANTIFREEZE (COOLING)/HEAT EXCHANGER OVERHEAT (HEATING)
A6 INDOOR FAN MOTOR ABNORMAL
AH ELECTRICAL AIR CLEANER ABNORMAL
C4 INDOOR HEAT EXCHANGER (1) THERMISTOR SHORT/OPEN
C5 INDOOR HEAT EXCHANGER (2) THERMISTOR SHORT/OPEN
C7 LOUVER LIMIT SWITCH ERROR
C9 INDOOR ROOM THERMISTOR SHORT/OPEN
E1 OUTDOOR PCB ERROR
E3 HIGH PRESSURE PROTECTION
E4 LOW PRESSURE PROTECTION
E5 COMPRESSOR MOTOR LOCK/COMPRESSOR OVERLOADED
E6 COMPRESSOR START-UP ERROR
E7 OUTDOOR DC FAN MOTOR LOCK
E8 AC INPUT OVER CURRENT
E9 EXV ERROR
EA 4 WAY VALVE ERROR
F3 DISCHARGE PIPE OVERHEAT
F6 HEAT EXCHANGER OVERHEAT
HO COMPRESSOR SENSOR SYSTEM ERROR
H3 HIGH PRESSURE SWITCH ERROR
H6 COMPRESSOR FEEDBACK DETECTION ERROR
H7 FAN MOTOR OVERLOADED/OVERCURRENT/SENSOR ABNORMAL
H8 AC CURRENT SENSOR ERROR
TURBO QUIET
SLEEP
ON OFF
MODE
TIMER
CANCEL
CANCEL
CLOCK
ON TIMER CANCEL
OFF TIMER CANCEL
1 OM-GS01-1209(0)-McQuay 1/14/10, 4:37 PM3