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Samsung AQV12A Series User Manual

Samsung AQV12A Series
67 pages
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Refer to the service manual in the GSPN(see the rear cover) for the more information.
AIR CONDITIONER CONTENTS
AQV09AAN, AQV12AAN
SPLIT-TYPE AIR CONDITIONER
INDOOR UNIT OUTDOOR UNIT
Basic : AQV09VBA
AQV12VBA
Model
: AQV09AA Series
AQV12AA Series
Model Code : AQV09A
AN AQV09AAX
AQV12
AAN AQV12AAX
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Parts List
6. PCB Diagram and Parts List
7. Wiring Diagram
8. Schematic Diagram
9. Reference Sheet
AQV09AAX, AQV12AAX

Table of Contents

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Samsung AQV12A Series Specifications

General IconGeneral
TypeSplit System
Heating Capacity4.0 kW
Power Supply220-240V, 50Hz
RefrigerantR410A
Outdoor Unit Weight26 kg
Cooling Capacity3.5 kW
Operating Temperature (Cooling)18°C to 43°C

Summary

Precautions

Troubleshooting

Display Error and Check Method

How to interpret and troubleshoot error codes displayed by the unit.

Display Error Modes

Details on error codes and their corresponding causes and solutions.

Fault Diagnosis by Symptom

Systematic troubleshooting based on observed symptoms and error codes.

Communication Error (E101/E102)

Troubleshooting steps for communication errors E101/E102.

Indoor Temperature Sensor Error (E121)

Diagnosing and resolving indoor temperature sensor errors.

Indoor Heat Exchanger Sensor Error (E122)

Troubleshooting heat exchanger temperature sensor errors.

Indoor Fan Motor Speed Error (E154)

Steps to diagnose indoor fan motor speed detection issues.

Outdoor Temperature Sensor Error (E221)

Troubleshooting for outdoor temperature sensor errors.

Coil Temperature Sensor Error (E237)

Diagnosing and fixing coil temperature sensor errors.

Discharge Temperature Sensor Error (E251)

Procedure for troubleshooting discharge temperature sensor errors.

Outdoor Unit Fan Error (E458)

Troubleshooting steps for outdoor fan errors.

Compressor Start Error (E451)

Steps to diagnose and resolve compressor start errors.

O.C. (Over Current) Error (E464)

Troubleshooting procedure for over current errors.

Total Current Sensor Error (E468)

Steps to troubleshoot total current sensor errors.

DC-Link Voltage Sensor Error (E469)

Diagnosing and resolving DC-Link voltage sensor errors.

No Power (Initial Diagnosis)

Initial steps for troubleshooting a completely dead unit.

Outdoor Unit Power Supply Error

Troubleshooting outdoor unit power supply errors.

Exploded Views and Parts List

PCB Diagram and Parts List

Wiring Diagram

Schematic Diagram

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