Outdoor Trouble Shooting - Samsung AC160JNHFKH Service Manual

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