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Troubleshooting
CODE
00
U0
SYSTEM
U2
U4
A1
A5
INDOOR
A6
C4
UNIT
C7
C9
EA
E1
E5
E6
E7
F3
H0
OUTDOOR
H6
UNIT
H8
H9
J3
J6
L4
L5
P4
NOTE
• A short beep and 2 consecutive beeps indicate non-corresponding codes.
• To cancel the code display, hold
39
„ Fault diagnosis by remote controller
• The remote controller can receive relevant error codes from the indoor unit.
1.
When
"
" blinks in the temperature display
section.
2.
Press
beep is produced.
• The code indication changes as shown below, and notifi es you with a long beep.
NORMAL
REFRIGERANT SHORTAGE
OVER-VOLTAGE DETECTION
SIGNAL TRANSMISSION ERROR (BETWEEN INDOOR AND OUTDOOR UNIT)
INDOOR UNIT PCB ABNORMALITY
FREEZE-UP PROTECTION OR HEATING PEAK-CUT CONTROL
FAN MOTOR (DC MOTOR) ABNORMALITY
INDOOR HEAT EXCHANGER THERMISTOR ABNORMALITY
FRONT PANEL OPEN /CLOSE FAULT
ROOM TEMPERATURE THERMISTOR ABNORMALITY
FOUR WAY VALVE ABNORMALITY
OUTDOOR UNIT PCB ABNORMALITY
OL ACTIVATION (COMPRESSOR OVERLOAD)
COMPRESSOR LOCK
DC FAN LOCK
DISCHARGE PIPE TEMPERATURE CONTROL
COMPRESSOR SYSTEM SENSOR ABNORMALITY
POSITION SENSOR ABNORMALITY
DC VOLTAGE / CURRENT SENSOR ABNORMALITY
OUTDOOR TEMPERATURE THERMISTOR ABNORMALITY
DISCHARGE PIPE THERMISTOR ABNORMALITY
OUTDOOR HEAT EXCHANGER THERMISTOR ABNORMALITY
RADIATION FIN TEMPERATURE RISE
OUTPUT OVERCURRENT DETECTION
RADIATION FIN THERMISTOR ABNORMALITY
for about 5 seconds. The code display also clears if no button is pressed for 1 minute.
is held down for about 5 seconds,
repeatedly until a continuous
MEANING
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