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AIR CONDITIONER
AR07CXCAAWKNEU
AR09CXCAAWKNEU
AR12CXCAAWKNEU
AR09TXCAAWKXEU
AR12TXCAAWKXEU
SPLIT-TYPE AIRCONDITIONER
INDOOR UNIT
AR07CXCAAWKNEU
MODEL CODE
AR09CXCAAWKNEU
AR12CXCAAWKNEU
CONTENTS
1. Precautions
2. Product Specifications
3. Alignment and Adjustments
4. Disassembly and Reassembly
5. ASSY CONTROL
6. Wiring Diagram
7. PCB Diagram
8. Operating Instructions
9. Troubleshooting
10.Block Diagram
11. Reference Sheet
OUTDOOR UNIT
-
AR09TXCAAWKXEU
AR12TXCAAWKXEU
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Table of Contents
Troubleshooting
Related Manuals for Samsung AR09CXCAAWKNEU
Summarization of Contents
Safety Precautions
Installing the Air Conditioner
Safety guidelines for air conditioner installation.
Power Supply and Circuit Breaker
Electrical safety and connection requirements for the unit.
During Operation Safety
Safe usage practices and warnings during air conditioner operation.
Unit Disposal Guidelines
Proper procedures for discarding the air conditioner unit.
General Operational Notes
Additional miscellaneous safety and operational points.
Product Specifications
Key Product Features
Highlights of the air conditioner's advanced functionalities and benefits.
Detailed Technical Specifications
Comprehensive data on performance, dimensions, and electrical requirements.
Comparative Model Specifications
Side-by-side comparison of specifications for different models.
Accessory and Option Specifications
Details on included accessories and optional components.
Alignment and Adjustments
Test Mode Operation
Procedure for entering and utilizing the unit's test mode.
Error Display and Check Methods
Guide to interpreting error codes and troubleshooting procedures.
Setting Option Setup Procedure
Step-by-step instructions for configuring unit options via the remote.
Disassembly and Reassembly
Necessary Tools for Service
List of required tools for disassembly and reassembly tasks.
Indoor Unit Disassembly Steps
Detailed procedures for taking apart the indoor unit.
Outdoor Unit Disassembly Steps
Detailed procedures for taking apart the outdoor unit.
Assembly Control
Assy Kit DB92-04845L Components
List and identification of parts for Assy Kit DB92-04845L.
Assy Kit DB92-04842J Components
List and identification of parts for Assy Kit DB92-04842J.
Wiring Diagrams
Indoor Unit Wiring Diagram
Schematic illustrating electrical connections for the indoor unit.
Outdoor Unit Wiring Diagram
Schematic illustrating electrical connections for the outdoor unit.
PCB Diagrams
Indoor Main PCB Layout
Diagram showing connectors and components on the indoor main PCB.
Outdoor Main PCB Layout
Diagram showing connectors and components on the outdoor main PCB.
Display PCB Layout
Diagram of the display PCB, showing connector assignments.
Indoor Terminal Block Wiring Guide
Best practices for connecting wires to indoor unit terminal blocks.
Operating Instructions
Indoor Unit Main Parts Identification
Visual guide to the primary components of the indoor unit.
Wireless Remote Control Operation
Explanation of buttons and features on the wireless remote control.
Troubleshooting Common Issues
Initial Troubleshooting Checklist
Fundamental checks to perform before detailed error diagnosis.
Communication Error Diagnosis
Steps to resolve communication errors between indoor and outdoor units.
Indoor Temperature Sensor Error
Diagnosis and resolution for indoor temperature sensor faults.
Indoor Fan Motor Speed Error
Troubleshooting steps for indoor fan motor speed detection errors.
Outdoor Temperature Sensor Error
Diagnosis and resolution for outdoor temperature sensor faults.
Outdoor Condensing Temperature Sensor Error
Troubleshooting steps for outdoor condensing temperature sensor issues.
Outdoor Discharge Temperature Sensor Error
Diagnosis and resolution for outdoor discharge temperature sensor faults.
Operation Condition Secession Error
Troubleshooting for errors related to operating condition restrictions.
EEPROM or OTP Error Diagnosis
Steps to resolve EEPROM or OTP related errors.
Outdoor Fan Motor Error Troubleshooting
Steps to diagnose and fix outdoor fan motor errors.
Compressor Starting Error Diagnosis
Troubleshooting for issues preventing compressor startup.
Compressor Wire Missing/Rotation Error
Steps to resolve errors related to compressor wiring or rotation.
Current Sensor / Input Current Sensor Error
Troubleshooting for current sensor and input current sensor faults.
O.C. (Over Current) Error Troubleshooting
Diagnosis and resolution for over current protection errors.
No Power Outdoor Diagnosis
Procedures for diagnosing no-power issues in the outdoor unit.
Louver Motor Operation Error
Troubleshooting for errors with the louver motor's movement.
Remote Control Receiving Error
Steps to fix issues where the remote control is not received.
Smart Install Error Troubleshooting
Guide for resolving errors encountered during the Smart Install process.
Outdoor OLP Over Temperature Error
Troubleshooting for outdoor OLP over-temperature protection errors.
EEV or Valve Close Error (C422)
Diagnosis and resolution for EEV or valve close errors.
Block Diagrams
Indoor Unit Block Diagram
Functional block representation of the indoor unit's electrical system.
Outdoor Unit Block Diagram
Functional block representation of the outdoor unit's electrical system.
Reference Sheets
Low Refrigerant Pressure Distribution Chart
Chart showing refrigerant pressure variations under different conditions.
Pressure and Capacity Conversion Marks
Table for converting pressure and capacity units.
Troubleshooting Q&A (Non-Trouble)
Common questions and answers for non-critical issues.
Cleaning and Filter Maintenance
Instructions for cleaning the unit and replacing filters.
Installation Procedures Overview
General guidelines and steps for installing the air conditioner.
Installation Diagram and Air-Purge/Pump-Down
Visual guide and procedures for installation and refrigerant handling.
Model Name Reference Index
Index for understanding model name coding and configurations.
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