Samsung AM048NXMDCR User Manual

Refer to the service manual in the GSPN(see the rear cover) for the more information.
AIR CONDITIONER CONTENTS
SYSTEM AIR CONDITIONER
OUTDOOR UNIT
AM036NXMDCR
AM048NXMDCR
AM053NXMDCR
AM060NXMDCR
■ Product Specifications
■ Disassembly and Reassembly
■ Refrigerant pipe installation
■ Troubleshooting
■ PCB Diagram
■ Wiring Diagram
■ Reference Sheet
■ Check Operation & Amount of
Refregent Automatically Checking

Samsung AM048NXMDCR Specifications

General

Cooling Capacity	48000 BTU/h
Refrigerant	R410A
Power Supply	220-240V, 50Hz
Operating Temperature (Cooling)	18°C to 43°C
Noise Level (Indoor)	45 dB(A)

Summary

Product Specifications

2. Product Specifications

Disassembly and Reassembly

Troubleshooting

2. Error Code Reference

Comprehensive list of error codes and their explanations for system diagnostics.

3. Symptom-Based Troubleshooting Guide

Detailed diagnostic flowcharts and procedures for common system symptoms and error codes.

3-1 Communication Error Troubleshooting

Steps for resolving communication errors between indoor and outdoor units.

3-13 Outdoor Temperature Sensor Error Troubleshooting

Troubleshooting for outdoor temperature sensor open/short circuit errors.

3-15 Compressor Down by Antifreeze Control (E403)

Troubleshooting compressor shutdown due to antifreeze control.

3-26 Compressor Starting/Rotation Error (E461, E467)

Steps to diagnose compressor starting and rotation errors.

3-29 DC-Link Voltage Under/Over Error (E466)

Troubleshooting DC-Link voltage under/over errors.

Wiring Diagram

Check Operation & Amount of Refrigerant Automatically Checking

1. Check Operation Overview

Troubleshooting "Undetermined" Sensor & Compressor Items

Diagnostic steps for "Undetermined" results concerning sensors and compressor operation.

1-2 Indoor Unit Temperature Sensor Troubleshooting

2) Outdoor Unit Temperature Sensor Troubleshooting

3) Pressure Sensor Troubleshooting

4) Abnormal Compressor Operation Troubleshooting

5) Cycle Status & Valve/EEV Troubleshooting

1-3 Automatic Commissioning Error Code

2. Automatic Refrigerant Amount Detection