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3P098574-3_Eng_1.book Page 26 Wednesday, October 16, 2002 2:51 PM
Fault diagnosis
FAULT DIAGNOSIS BY REMOTE CONTROLLER
IN THE EVENT OF AN ABNORMALITY, THE RELEVANT ABNORMALITY CODE APPEARS FLASHING
IN THE REMOTE CONTROLLER'S TEMPERATURE DISPLAY.
CODE
00
U0
SYSTEM
U4
U2
A1
A5
INDOOR UNIT
A6
C4
C9
EA
E5
E6
E8
F3
H6
OUTDOOR
H8
UNIT
H9
J3
J6
L4
L5
P4
26
REFRIGERANT SHORTAGE
FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT)
DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE
INDOOR PCB DEFECTIVENESS
HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR
FAN MOTOR FAULT
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
FAULTY SUCTION AIR TEMPERATURE SENSOR
COOLING-HEATING SWITCHING ERROR
OL STARTED
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
CT ABNORMALITY
FAULTY SUCTION AIR TEMPERATURE SENSOR
FAULTY DISCHARGE PIPE TEMPERATURE SENSOR
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
OUTPUT OVERCURRENT
FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR
MEANING
NORMAL
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