Samsung AR12KSWSJWKNCV User Manual

AIR CONDITIONER CONTENTS
SPLIT-TYPE AIR CONDITIONER
INDOOR UNIT OUTDOOR UNIT
Model Code :
AR09HSFSJWKNCV AR09HSFSJWKXCV
2. Pr ations
3. Alignment and Adjustments
4. Disassembly and Reassembly
5. Assy Control
6. Electrical Parts List
7. Wiring Diagram
8. PCB Diagram
9. Operating Instructions
10. Troubleshooting
11. Block Diagram
12. Reference Sheet
AR12HSFSJWKNCV AR12HSFSJWKXCV
AR18HSFSJWKNCV AR18HSFSJWKXCV
AR24HSFSJWKNCV AR24HSFSJWKXCV
AR12KSWSJWKXCV
AR09KSWSJWKXCV
AR18KSWSJWKXCV
AR24KSWSJWKXCV
Basic Code :
AR09KSWSJWKNCV RA 09KSWSJWKXCV
AR12KSWSJWKNCV K21RA SWSJWKXCV
AR18KSWSJWKNCV K81RA SWSJWKXCV
AR24KSWSJWKNCV RA 24KSWSJWKXCV
1.Precautions

Samsung AR12KSWSJWKNCV Specifications

General

Brand	Samsung
Model	AR12KSWSJWKNCV
Category	Air Conditioner
Language	English

Summary

Electrical Parts List

6-1 Indoor Main PCB Parts List (DB92-02873E)

Detailed list of electrical parts for the indoor main PCB.

6-4 Outdoor Main PCB Parts List (DB92-02866J)

Detailed list of electrical parts for outdoor main PCB DB92-02866J.

6-4 Outdoor Main PCB Parts List (DB92-02867N)

Detailed list of electrical parts for outdoor main PCB DB92-02867N.

Wiring Diagram

7-1 Indoor Unit Wiring Diagram

7-2 Outdoor Unit Wiring Diagram

PCB Diagram

8-1 Indoor PCB Layout and Connectors

8-2 Outdoor PCB Layout and Connectors (9K/12K)

Outdoor PCB Layout and Connectors (18K)

Troubleshooting

10-1 Initial Troubleshooting Checks

Basic checks to perform before troubleshooting errors.

10-2 Communication Error

Troubleshooting guide for communication errors between units.

10-2-2 Indoor temperature sensor error

10-2-3 Indoor Eva-in temperature sensor error

10-2-4 Louver Motor Operation Error

10-2-5 Indoor fan motor speed error

10-2-6 Outdoor temperature sensor error

10-2-7 Outdoor Coil temperature sensor error

10-2-8 Outdoor Discharge temperature sensor error

10-2-9 Outdoor Discharge over temperature error

10-2-10 Outdoor Fan motor error

10-2-11 Compressor starting error

Troubleshooting steps for compressor starting issues.

10-2-12 Compressor wire missing/rotation error

Troubleshooting for compressor wire connection or rotation errors.

10-2-13 O.C(Over Current) error

Troubleshooting for IPM Over Current (O.C) errors.

10-2-14 DC_link voltage sensor error

Troubleshooting for DC_link voltage sensor errors.

10-2-15 AC Input Voltage Sensor Error

Troubleshooting for AC Input Voltage Sensor Errors.

10-2-16 DC_link voltage/Over voltage/PFC load errors

Troubleshooting for DC-link voltage, over voltage, and PFC errors.

10-2-17 I_trip error, PFC over current

Troubleshooting for I_trip error and PFC over current.

10-2-18 Current sensor error/Input current sensor error

Troubleshooting for current and input current sensor errors.

10-2-19 Heatsink sensor error/Heatsink over heat

Troubleshooting for heatsink sensor errors and overheating.

10-2-20 Comp Vlimit error

Troubleshooting for compressor voltage limit (Vlimit) errors.

10-2-21 EEPROM error/OTP error

Troubleshooting for EEPROM and OTP errors.

10-2-22 Operation condition secession error

Troubleshooting for operation condition errors.

10-2-23 Gas leak error

Troubleshooting steps for gas leak detection.

102-24 No power outdoor (Initial Diagnosis)

Troubleshooting for outdoor unit no-power issues.

10-2-25 No power outdoor (Initial Diagnosis)

Further troubleshooting for outdoor unit no-power issues.

10-2-26 AC zero cross signal error

Troubleshooting for AC zero cross signal errors.

10-2-27 Capacity miss match error

Troubleshooting for capacity mismatch errors.

10-2-28 Remote control not receiving

10-2-29 EEV or Valve Close error-Self diagnosis

Self-diagnosis for EEV or valve close errors.

10-2-30 Smart Install error

10-3 PCB Inspection Method

10-4 ASSY WIFI KIT Inspection Method

Block Diagram

11-1 Indoor Unit Block Diagram

11-2 Outdoor Unit Block Diagram