Samsung AC090FCAPEH Installation Manual page 62

No. Error Code
18 E422
19 E425
20 E440
21 E441
22 E458
23 E461
24 E462
25 E463
26 E464
27 E465
28 E466
29 E467
30 E468
31 E469
32 E470
33 E471
34 E472
35 E473
36 E474
37 E475
62
Meaning
Blockage detected on high pressure pipe
Reverse phase or open phase
Heating operation restricted at outdoor temperature over
Theat_high value (default: 30 °C)
Cooling operation restricted at outdoor temperature below
Tcool_low value (default: 0 °C)
Fan speed error
Error due to operation failure of inverter compressor
System stop due to full current control
Over current trip / PFC over current error
IPM Over Current(O . C )
Comp . Over load error
DC-Link voltage under/over error
Error due to abnormal rotation of the compressor or
unconnected wire of compressor
Error on current sensor (Short or Open)
Error on DC-Link voltage sensor (Short or Open)
Outdoor unit EEPROM Read/Write error (Option)
Outdoor unit EEPROM Read/Write error (H/W)
AC Line Zero Cross Signal out
Comp Lock error
Error on IPM Heat Sink sensor of inverter 1 (Short or Open)
Error on inverter fan 2
Remarks
1 . Check if the service valve is
open
2 . Check for refrigerant
leakage(pipe connections,
heat exchanger) and charge
refrigerant if necessary
3 . Check if there's any blockage
on refrigerant cycle(indoor
unit/outdoor unit)
4 . Check if additional
refrigerant has been added
after pipe extension
Check whether 3 phase is
reversed or opened .
HEATING
COOLING
FAN1 ERROR
-
-
Check OLP sensor
IPM
-
Check AC Power and DC Link
Voltage
Check Comp wire
Check Outdoor Inverter PBA .
-
Check Outdoor EEPROM Data
Check Outdoor EEPROM PBA
-
-
Check Outdoor Inverter PBA .
FAN2 ERROR