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Fault diagnosis.
FAULT DIAGNOSIS BY REMOTE CONTROLLER
In the ARC433A series, the temperature display sections on the main unit indicate corresponding codes.
1. When the TIMER CANCEL button is held down for 5 seconds, a "
temperature display section.
2. Press the TIMER CANCEL button repeatedly until a continuous beep is produced.
• The code indication changes as shown below, and notifies with a long beep.
CODE
00
U0
SYSTEM
U2
U4
A1
A5
INDOOR
A6
UNIT
C4
C9
EA
E5
E6
E7
E8
F3
H6
OUTDOOR
UNIT
H8
H9
J3
J6
L4
L5
P4
NOTE
1.A short beep and two consecutive beeps indicate non-corresponding codes.
2.To cancel the code display, hold the TIMER CANCEL button down for 5 seconds. The code dis-
play also cancel itself if the button is not pressed for 1 minute.
30
F
F
HOME LEAVE
TEMP
POWERFUL
MODE
FAN
SILENT
SENSOR
ON
OFF
TIMER
REFRIGERANT SHORTAGE
DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE
FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT)
INDOOR PCB DEFECTIVENESS
HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
FAULTY SUCTION AIR TEMPERATURE SENSOR
COOLING-HEATING SWITCHING ERROR
FAULTY COMPRESSOR START UP
OPERATION HALT DUE TO DETECTION OF INPUT OVER CURRENT
HIGH TEMPERATURE DISCHARGE PIPE CONTROL
OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR
FAULTY SUCTION AIR TEMPERATURE SENSOR
FAULTY DISCHARGE PIPE TEMPERATURE SENSOR
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR
" indication flashes on the
O N
ON/OFF
SWING
TIMER CANCEL button
CANCEL
It cancels the timer setting.
MEANING
NORMAL
FAN MOTOR FAULT
OL STARTED
DC FAN MOTOR FAULT
CT ABNORMALITY
OUTPUT OVERCURRENT
IEnglish
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