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Troubleshooting
CODE
MEANING
SYSTEM
00
NORMAL
UA
INDOOR-OUTDOOR UNIT COMBINATION FAULT
U0
REFRIGERANT SHORTAGE
U2
DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE
U4
FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT)
INDOOR
UNIT
A1
INDOOR PCB DEFECTIVENESS
A5
HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR
A6
FAN MOTOR FAULT
C4
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
C9
FAULTY SUCTION AIR TEMPERATURE SENSOR
OUTDOOR
UNIT
EA
COOLING-HEATING SWITCHING ERROR
E1
CIRCUIT BOARD FAULT
E5
OL STARTED
E6
FAULTY COMPRESSOR START UP
E7
DC FAN MOTOR FAULT
E8
OVERCURRENT INPUT
F3
HIGH TEMPERATURE DISCHARGE PIPE CONTROL
F6
HIGH PRESSURE CONTROL (IN COOLING)
F8
OPERATION HALT DUE TO COMPRESSOR INTERNAL TEMPERATURE ABNORMALITY
H0
SENSOR FAULT
H6
OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR
H8
DC CURRENT SENSOR FAULT
H9
FAULTY SUCTION AIR TEMPERATURE SENSOR
J3
FAULTY DISCHARGE PIPE TEMPERATURE SENSOR
J6
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
L3
ELECTRICAL PARTS HEAT FAULT
L4
HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
L5
OUTPUT OVERCURRENT
P4
FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR
Fault diagnosis by remote controller
•
The remote controller can receive relevant error codes from the indoor unit.
1.
When
is held down for about 5 seconds,
“
” blinks in the temperature display section.
2.
Press
repeatedly until a long beep is
produced.
• The code indication changes as shown below, and notifi es you with a long beep.
NOTE
•
A short beep and 2 consecutive beeps indicate non-corresponding codes.
•
To cancel the code display, hold
down for about 5 seconds. The code display also clears if no button is pressed for 1 minute.
16
When the Need Arises
01_EN_3P477582-2.indd 16
6/14/2017 14:12:49
Summary of Contents for CDXM25RVMA
Page 12: ...3P472684 5A M16B252A 1707 HT The two dimensional bar code is a manufacturing code...
Page 13: ...OPERATION MANUAL WIRELESS REMOTE CONTROLLER KIT MODELS BRC086A11 BRC086A12...
Page 30: ...Memo 17...
Page 31: ...18...
Page 32: ...3P477582 2 M16B322 1706 HT The two dimensional bar code is a manufacturing code...