Samsung AC030JN4DCH User Manual

AIR CONDITIONER CONTENTS
SYSTEM AIR CONDITIONER
4 WAY CASSETTE SERIES
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference Sheet
INDOOR UNIT OUTDOOR UNIT
Model :
AC030JN4DCH
AC036JN4DCH
AC030JXSCCH
AC036JXSCCH

Samsung AC030JN4DCH Specifications

General

Power Supply	220-240V, 50Hz
Refrigerant	R410A
Weight (Indoor Unit)	8.5 kg
Cooling Capacity	9000 BTU/hr
Energy Efficiency Ratio (EER)	3.21
Type	Split System
Power Source	AC
Noise Level	50 dB (Outdoor)

Summary

Precautions for Samsung Air Conditioner Service

1-1 Precautions for the Service

1-2 Precautions Related to Static Electricity and PL

1-3 Precautions Related to Product Safety

Details essential safety measures regarding power cords, plugs, and grounding.

Samsung Air Conditioner Product Specifications

Disassembly and Reassembly Procedures

3-1 Indoor Unit Disassembly

Step-by-step instructions for safely disassembling the indoor unit's components.

3-2 Outdoor Unit Disassembly

Step-by-step instructions for safely disassembling the outdoor unit's components.

Troubleshooting Common Issues

4-1 Setting Indoor Unit Address and Installation Option

4-2-1 Test Run Mode and View Mode

4-2-3 Four Directions Cassette Type

4-2-4 Wired Remote Controller Errors

4-3 Troubleshooting by Symptoms

Provides diagnostic procedures based on observed symptoms and error codes.

4-3-1 Indoor Temperature Sensor (Open/Short)

Troubleshooting steps for indoor temperature sensor open or short circuit errors.

4-3-2 Indoor Heat Exchanger Temperature Sensor (Open/Short)

Diagnosing errors related to the indoor heat exchanger temperature sensor.

4-3-3 Indoor FAN Error

Steps to diagnose and resolve issues with the indoor unit's fan.

4-3-4 Communication Error After Finishing Tracking

Troubleshooting for communication errors between indoor and outdoor units.

4-3-5 Indoor Unit Float Sensor Error

Diagnosing errors related to the indoor unit's float sensor and drain pump.

4-3-6 EEPROM Circuit Failure

Steps to diagnose and resolve EEPROM circuit failures.

4-3-7 Thermal Fuse Open Error

Troubleshooting procedure for thermal fuse open errors.

4-3-8 When Outdoor Unit Power Is Not ON

Initial diagnosis steps for issues where the outdoor unit has no power.

4-3-9 Indoor/Outdoor Communication Error (1min.)

Troubleshooting for communication errors between indoor and outdoor units.

4-3-10 Communication Error Between Outdoor Unit INV↔ MAIN MICOM (1 min.)

4-3-11 External Sensor Error

4-3-12 Outdoor Unit Fan Error

4-3-13 Error of Compressor Startup and Rotation

Troubleshooting steps for compressor startup and rotation errors.

4-3-14 Error of Under-current Error / PFC Over-current

4-3-15 IPM Over-current Error

4-3-16 DC LINK Over-current and Low-voltage Error

4-3-17 Gas Leakage Error

4-3-18 Pipe Blocking Error

4-3-19 Other

PCB Diagrams and Parts Lists