Samsung AC Series Installation Manual page 34

Troubleshooting
Error
No.
Code
Heating operation restricted at outdoor temperature over
20 E440
Theat_high value (default:30°C)
Cooling operation restricted at outdoor temperature below
21 E441
Tcool_low value (default:0°C)
22 E458 Fan speed error
23 E461
Error due to operation failure of inverter compressor
24 E462 System stop due to full current control
25 E463 Over current trip / PFC over current error
26 E464
IPM Over Current(O.C)
27 E465 Comp. Over load error
28 E466 DC-Link voltage under/over error
Error due to abnormal rotation of the compressor or
29 E467
unconnected wire of compressor
30 E468
Error on current sensor (Short or Open)
31 E469 Error on DC-Link voltage sensor (Short or Open)
32 E470
Outdoor unit EEPROM Read/Write error (Option)
33 E471 Outdoor unit EEPROM Read/Write error (H/W)
34 E474 Error on IPM Heat Sink sensor of inverter 1 (Short or Open)
35 E475
Error on inverter fan 2
36 E483 AC Input voltage is over-voltage error
37 E484
PFC Overload (Over current) Error
38 E485 Error on input current sensor of inverter 1 (Short or Open)
39 E488
Error on AC Input voltage sensor (Short or Open)
40 E500 IPM over heat error on inverter 1
41 E508 Smart install is not installed
42 E554
Gas leak detected
Error due to mismatching capacity of indoor and outdoor
43 E556
unit
44 E557 DPM remote controller option error
45 E590
Inverter EEPROM Checksum error
46 E660 Inverter Boot Code error
34 English
Meaning Remarks
1. Check the range of temperature limited for heating
operation
2.Check the outdoor temperature sensor
1. Check the range of temperature limited for cooling
operation
2.Check the outdoor temperature sensor
FAN1 ERROR
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Check OLP sensor
1.Check if the service valve is open
2.Check the state of refrigerant
3.Check if connecting wire and the pipe are OK
4.Check the compressor
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Check AC Power and DC Link Voltage
Check Comp wire
Check Outdoor Inverter PBA.
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Check Outdoor EEPROM Data
Check Outdoor EEPROM PBA
Check Outdoor Inverter PBA.
FAN2 ERROR
Check AC Power
Check Outdoor Inverter PBA.
Check Outdoor EEPROM PBA
Check Outdoor Inverter PBA.
Check Outdoor Inverter PBA.
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Check the refrigerant
Check the indoor and outdoor unit capacity
Check the indoor option code
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