Troubleshooting
4-21
NO
Error code
Remarks
Remarks
23
E440
Heating operation restricted at outdoor
temperature over Theat_ high value
1. Check the range of temperature
limited for heating operation
2. Check the outdoor temperature sensor
24
E441
Cooling operation restricted at outdoor
temperature below Tcool_low value
1. Check the range of temperature limited
for cooling operation
2. Check the outdoor temperature sensor
25
E458
Fan speed error
Check the fan1 and outdoor inverter PBA
26
E461
Error due to operation failure
of inverter compressor
1. Check the outdoor Inverter PBA
2. Check the compressor
27
E462
System stop due to full current control
Relocate the outdoor unit
28
E463
Over current trip / PFC over
current error
Check the OLP sensor
29
E464
IPM Over Current
1. Check the state of refrigerant
2. Check the compressor
3. Check if the service valve is open
30
E465
Comp. Over load error
1. Check if the service valve is open
2. Check the pressure of refrigerant
3. Check it the Fan Motor is running
4. Check the outdoor inverter PBA and
the compressor
31
E466
DC-Link voltage under/over error
Check AC Power and DC Link Voltage
32
E467
Error due to abnormal rotation of the compressor
or unconnected wire of compressor
Check the compressor wire
33
E468
Error on current sensor (Short or Open)
Check the outdoor inverter PBA
34
E469
Error on DC-Link voltage sensor
(Short or Open)
1. Check AC Power and DC Link Voltage
2. Check the outdoor inverter PBA
35
E470
Outdoor unit EEPROM Read/
Write error (Option)
Check the outdoor EEPROM data
36
E471
Outdoor unit EEPROM Read/
Write error (H/W)
Check the outdoor EEPROM PBA
37
E474
Error on IPM Heat Sink sensor of
inverter 1 (Short or Open)
Check the outdoor inverter PBA
38
E475
Error on inverter fan 2
Check the fan2 and outdoor inverter PBA
39
E483
H/W DC_Link Over Voltage Error
Check AC Power and DC Link Voltage
40
E484
PFC Overload (Over current) Error
Check the outdoor inverter PBA
41
E485
Error on input current sensor of inverter 1
(Short or Open)
Check the outdoor inverter PBA
42
E488
AC Input Voltage Sensor Error
Check AC Power and DC Link Voltage
43
E500
IPM over heat error on inverter 1
Check Outdoor Inverter PBA.
44
E554
Gas leak detected
Check the refrigerant leakage
45
E556
Error due to mismatching capacity of
indoor and outdoor unit
Check the indoor and Outdoor unit Capacity
46
E590
Inverter EEPROM CheckSum error
1. Reboot the EEPROM
2. Check the outdoor inverter PBA and
the main PBA
Error code [outdoor]
(cont.)
Содержание AC071MN4PKH
Страница 12: ...ProductSpecifications 2 9 2 3 4 Filter specifications Item Description CodeNo Remark FILTER AIR DB63 03764A ...
Страница 101: ...PCBDiagramandPartsList 5 4 5 1 3 Outdoor PCB Main PCB AC090 100 120 140MXAD H 1 2 3 4 5 6 8 9 10 11 12 ...
Страница 103: ...PCBDiagramandPartsList 5 6 Outdoor Unit PCB cont PF 4 INVERTER PCB SINGLE PHASE I AC090 100MXADKH 4 1 2 8 3 7 6 5 ...
Страница 105: ...PCBDiagramandPartsList 5 8 Outdoor Unit PCB cont PF 6 1 INVERTER PCB 3 PHASE I AC100MXADNH 1 2 8 4 6 5 3 7 ...
Страница 114: ...6 3 WiringDiagram ThisDocumentcannotbeusedwithoutSamsung sauthorization 3 phase PF 6 PF 6 1 Schematic Diagram ...