Samsung AC160JNHFKH - Outdoor Trouble Shooting

4-4 Samsung Electronics
4-2 Outdoor Trouble shooting
The table below give indication about self diagnostic routine. Some of error code requires activities exclusively for
Authorized Service Center.
Outdoor unit
If an error occurs during the operation, it is displayed on the outdoor unit PCB LED, both MAIN PCB and INVERTER
PCB.
No.
Displayed
PCB Assy
Meaning Remarks
Error
Code
Remark
- MAIN/INVERTER
Normal operation
(MAIN : IndoorOutdoor : Green ON)
(INVERTER : MAIN PCBINVERTER PCB : Green
ON)
- 4-3-10
1 MAIN
Unit quantity miss matching between indoor
and outdoor.
Check indoor quantity setting
in outdoor
E201
4-3-112 MAIN/INVERTER
Abnormal state, no communication between
Indoor and Outdoor Main PCB
Check electrical connection
and setting
E202
3 MAIN/INVERTER
1min. Time out of communcation
error(MainInverter)
Check electrical connection
and setting
E203
4 MAIN Outdoor temp sensor error
Check Outdoor sensor Open/
Short
E221
4-3-12
5 MAIN Cond. temp sensor error
Check Cond. sensor Open/
Short
E231
6 MAIN Discharge temp sensor error
Check Discharge sensor
Open/Short
E251
7 MAIN OLP Sensor Error Check OLP sensor Open/Short E320
8 MAIN
Detection of Outdoor Freezing when Comp.
Stop
Check Outdoor Cond. E403 4-3-13
9 MAIN
Protection of Outdoor Overload when Comp.
Stop
Check Comp. when it start E404 4-3-23
10 MAIN
Discharge temperature of a compressor in an
outdoor unit is overheated.
E416 4-3-14
11 MAIN
Heating operation is not available since
the outdoor air temperature is over 30°C.
Heating E440
4-2-15
Cooling operation is not available since
the outdoor air temperature is lower than
-15°C.
Cooling E441
12 MAIN/INVERTER Outdoor unit BLDC Fan 1 or Fan 2 error
FAN1 error E458
4-3-16
FAN2 error E475
13 MAIN/INVERTER Comp. Starting error E461 4-3-17
14 MAIN Primary Current Trip error E462 4-3-18
15 MAIN Over current trip / PFC over current error Check OLP sensor E463 4-3-19
16 MAIN/INVERTER IPM(IGBT Module) Over Current(O.C) E464 4-3-20
17 MAIN/INVERTER Comp. Over load error E465 4-3-23
18 MAIN/INVERTER DC-Link voltage under/over error
Check AC Power or
DC_Link voltage
E466 4-3-21
19 MAIN/INVERTER Comp. wire missing error Check Comp. wire E467 4-3-17
20 MAIN/INVERTER Current sensor error Check Outdoor Inverter PBA E468
4-3-23
21 MAIN Outdoor EEPROM error Check Outdoor EEPROM data E471
22 MAIN/INVERTER
IPM(IGBT Module) or PFCM Temperature sen-
sor Error
Check Outdoor Inverter PBA E474
23 MAIN/INVERTER PFC Overload Error Check Outdoor Inverter PBA E484 4-3-18