Samsung AM048JNCDCH/AA

Questions and Answers

A
Andrea CollinsJul 25, 2025
Why does my Samsung AM048JNCDCH/AA show a communication error between indoor and outdoor units?
- J
  Jacob WilliamsJul 26, 2025
  This error occurs due to several reasons: 1. There is no communication between the indoor and outdoor units for 2 minutes. 2. A communication error was received from the outdoor unit. 3. There is a 3-minute tracking error on the outdoor unit. 4. A communication error occurred after tracking due to an unmatching number of installed units. 5. An error is due to a repeated communication address. 6. The communication address is not confirmed, or another outdoor unit communication error not listed above occurred. The error codes associated with these issues are E101, E102, E202, E201, E108 and E109.
C
Carlos PetersenAug 2, 2025
What does it mean when my Samsung Air Conditioner shows an error related to the outdoor temperature sensor?
- L
  Laura RasmussenAug 2, 2025
  An error related to the outdoor temperature sensor on your Samsung Air Conditioner could indicate: 1. Error on outdoor temperature sensor (Short or Open). 2. Error on cond sensor. 3. Error on discharge sensor. The error codes associated with these issues are E221, E237 and E251.
K
Kevin AlvarezAug 9, 2025
What does E121 error mean on a Samsung Air Conditioner?
- S
  Sharon ChurchAug 9, 2025
  Error E121 on a Samsung Air Conditioner indicates an error on the indoor temperature sensor (Short or Open).
J
Jonathan MillerAug 17, 2025
How to fix E108 error on Samsung AM048JNCDCH/AA?
- N
  Nicholas RoblesAug 17, 2025
  To fix the E108 error on your Samsung Air Conditioner, change the address and reset the system.

Summary

1. Precautions

1-1 Precautions for the Service

Guidelines for servicing, including parts, connections, assembly, and dust removal.

1-2 Precautions for the Static Electricity and PL

Handling precautions for static electricity and potential hazards during repair and measurement.

1-3 Precautions for the Safety

Essential safety measures to prevent electric shock, fire, and injury during operation and maintenance.

1-4 Precautions for Handling Refrigerant for Air Conditioner

Safety and environmental guidelines for handling refrigerants, including release and container precautions.

1-5 Precautions for Welding the Air Conditioner Pipe

Safety measures before welding air conditioner pipes, including refrigerant removal and oxide prevention.

1-6 Precautions for Additional Supplement of Air Conditioner Refrigerant

Procedures for adding refrigerant, including precise calculation and avoiding container heating.

1-7 Other Precautions

General precautions related to pipe installation, refrigerant withdrawal, and air entry into the system.

2. Product Specifications

2-1 Product Specifacations

Detailed technical specifications for indoor units: capacity, power, fan, sound, piping, dimensions, and functions.

2-2 Accessory and Option Specifications

Lists available accessories and optional components for the air conditioner units, including remote controllers and kits.

3. Disassembly and Reassembly

3-1 Indoor Unit

Step-by-step instructions for disassembling and reassembling indoor air conditioner units, covering various types.

4. Troubleshooting

4-1 Check-up Window Description

Description of the check-up window on the PCB and the function of each numbered item for diagnostics.

4-2 Service Operation

Special operations for service technicians, including key inputs for mode selection and special functions like pump-down.

4-3 Troubleshooting

Procedures for setting options and inputting codes using the remote controller for indoor unit configuration.

4-4 Appropriate Measures for Different Symptom

Troubleshooting guide for various symptoms, including operation flows and specific error code measures for indoor and outdoor units.

5. PCB Diagram and Parts List

5-1 Indoor Unit

Visual diagrams and part lists for various indoor unit PCB layouts, detailing connector pin assignments.

6. Wiring Diagram

6-1 Indoor

Wiring diagrams for indoor units, detailing connections for different cassette, duct, and wall-mounted types.

7. Reference Sheet

7-1 Index for Model Name

A guide to understanding the model code structure for Samsung air conditioners based on classification, capacity, version, and features.

7-2 Pump-down Method

Detailed procedures for pump-down operations for single and multiple outdoor unit installations, including safety precautions.

7-3 How to Put Refrigerant in Refrigerant Container

Instructions for safely transferring refrigerant into a container before pump-down, including high pressure checks and scale usage.