38
English
Fault diagnosis by remote controller
The remote controller can receive from the indoor unit a corresponding error code according •
to the fault.
When 1. is held down for 5 seconds, a
“
” indication blinks on the temperature
display section.
Press
2. repeatedly until a continuous
beep is produced.
The code indication changes as shown below, and notifi es with a long beep. •
CODE MEANING
SYSTEM
00 NORMAL
U0 REFRIGERANT SHORTAGE
U2 OVER-VOLTAGE DETECTION
U4 SIGNAL TRANSMISSION ERROR (BETWEEN INDOOR AND OUTDOOR UNIT)
INDOOR
UNIT
A1 INDOOR UNIT PCB ABNORMALITY
A5
HEATING PEAK-CUT CONTROL OR FREEZE-UP PROTECTION (PERCEPTIBILITY BY
THERMISTOR FOR INDOOR HEAT EXCHANGER)
A6 FAN MOTOR (DC MOTOR) ABNORMALITY
A9
RADIANT PANEL TEMPERATURE RISE OR MOTOR OPERATED VALVE ABNORMALITY
FREEZE-UP PROTECTION (PERCEPTIBILITY BY THERMISTOR FOR RADIANT PANEL)
CE RADIANT PANEL THERMISTOR ABNORMALITY
C4 INDOOR HEAT EXCHANGER THERMISTOR ABNORMALITY
C9 ROOM TEMPERATURE THERMISTOR ABNORMALITY
OUTDOOR
UNIT
EA FOUR WAY VALVE ABNORMALITY
E1 OUTDOOR UNIT PCB ABNORMALITY
E5 OL ACTIVATION (COMPRESSOR OVERLOAD)
E6 COMPRESSOR LOCK
E7 DC FAN LOCK
F3 DISCHARGE PIPE TEMPERATURE CONTROL
H0 COMPRESSOR SYSTEM SENSOR ABNORMALITY
H6 POSITION SENSOR ABNORMALITY
H8 DC VOLTAGE / CURRENT SENSOR ABNORMALITY
H9 OUTDOOR TEMPERATURE THERMISTOR ABNORMALITY
J3 DISCHARGE PIPE THERMISTOR ABNORMALITY
J6 OUTDOOR HEAT EXCHANGER THERMISTOR ABNORMALITY
L4 RADIATION FIN TEMPERATURE RISE
L5 OUTPUT OVERCURRENT DETECTION
P4 RADIATION FIN THERMISTOR ABNORMALITY
NOTE
A short beep and two consecutive beeps indicate non-corresponding codes.•
To cancel the code display, hold •
for 5 seconds. The code display also cancel itself if the button is not pressed for 1 minute.
01_EN_3P276869-1A.indb 3801_EN_3P276869-1A.indb 38 8/8/2012 4:18:35 PM8/8/2012 4:18:35 PM
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