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List of Malfunction Code
SiEN18-622
320
Troubleshooting
3. List of Malfunction Code
9
: Blink
8
: ON
7
: OFF
Malfunction
code
Malfunction contents
Page Referred
RA Indoor
Unit
SkyAir
Indoor Unit
BP Unit
Outdoor
Unit
Indoor
Unit
A0
Error of external protection device
—
—
—
—
A1
PC board defect, E
2
PROM defect
322
333
—
—
A3
Malfunction of drain level control system (33H)
—
334
—
—
A5
Freeze-up protection or high pressure control
323
—
—
—
A6
Fan motor (MF) lock, overload
325, 326
337, 338
—
—
A7
Malfunction of swing flap motor (MA)
—
340
—
—
A9
Malfunction of electronic expansion valve (20E)
—
—
352
—
AF
Drain pump error
—
336
—
—
AJ
Malfunction of capacity setting
—
342
—
—
C4
Malfunction of thermistor (R2T) for heat exchanger
(loose connection, disconnection, short circuit,
failure)
328
343
—
—
C5
Malfunction of thermistor (R3T) for heat exchanger
(loose connection, disconnection, short circuit,
failure)
—
344
—
—
C7
Shutter drive motor / shutter limit switch abnormality
329
—
—
—
C9
Malfunction of thermistor (R1T) for air inlet (loose
connection, disconnection, short circuit, failure)
328
345
—
—
CA
Malfunction of thermistor for air outlet (loose
connection, disconnection, short circuit, failure)
—
—
—
—
CJ
Malfunction of thermostat sensor in remote control
—
346
—
—
Outdoor
Unit
E1
PC board defect, E
2
PROM defect
—
—
—
359
E2
Faulty BP unit PCB
—
—
353
—
E3
Actuation of high pressure switch
—
—
—
360
E4
Actuation of low pressure switch
—
—
—
362
E5
Compressor motor lock
—
—
—
364
E6
Standard compressor lock or over current
—
—
—
—
E7
Malfunction of outdoor unit fan motor
—
—
—
365
E9
Malfunction of moving part of electronic expansion
valve (Y1E~3E)
—
—
—
366
F3
Abnormal discharge pipe temperature
—
—
—
368
F6
Refrigerant overcharged
—
—
—
369
H3
Malfunction of high pressure switch
—
—
—
—
H4
Actuation of low pressure switch
—
—
—
—
H7
Abnormal outdoor fan motor signal
—
—
—
—
H9
Malfunction of thermistor (R1T) for outdoor air (loose
connection, disconnection, short circuit, failure)
—
—
—
370
J0
Faulty BP liquid or gas pipe thermistor
—
—
354
—
J2
Current sensor malfunction
—
—
—
—
J3
Malfunction of discharge pipe thermistor (R2T) (loose
connection, disconnection, short circuit, failure)
—
—
—
371
J5
Malfunction of thermistor (R3T, R5T) for suction pipe
(loose connection, disconnection, short circuit,
failure)
—
—
—
372
J6
Malfunction of thermistor (R4T) for heat exchanger
(loose connection, disconnection, short circuit,
failure)
—
—
—
373
J7
Malfunction of liquid thermistor (R7T)
—
—
—
374
J8
Malfunction of thermistor for oil equalizing pipe.
(loose connection, disconnection, short circuit,
failure)
—
—
—
—
J9
Malfunction of subcooling heat exchanger thermistor
(R6T)
—
—
—
375
JA
Malfunction of discharge pipe pressure sensor
—
—
—
376
JC
Malfunction of suction pipe pressure sensor
—
—
—
377
L0
Inverter system error
—
—
—
—
Summary of Contents for FTKS50BVMB
Page 1: ...SiEN18 622 E Series Service Manual Applied Models zSuper Multi Plus Cooling Only Heat Pump ...
Page 105: ...Refrigerant Flow for Each Operation Mode SiEN18 622 92 Refrigerant Circuit ...
Page 157: ...Indoor Unit SkyAir Models SiEN18 622 144 Function ...
Page 312: ...SiEN18 622 Ceiling Mounted Cassette Type System Configuration 300 ...
Page 424: ...Method of Replacing The Inverter s Power Transistors Modules SiEN18 622 412 Troubleshooting ...
Page 446: ...Wiring Diagrams SiEN18 622 434 Appendix ...
Page 452: ...SiEN18 622 vi Index ...