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Air-Con ABXEM4H4S09 - User Manual

Air-Con ABXEM4H4S09
70 pages
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1
Service Manual
MODEL:
ABXEM4H4S09/ABXCI4H4S0
9
ABXEM4H4S12/ABXCI4H4S1
2
ABXEM4H4S18/ABXCI4H4S1
8
ABXEM4H4S24/ABXCI4H4S2
4

Table of Contents

Questions and Answers

  • K
    Kimberly WilliamsAug 3, 2025
    What to do if there is a communication failure between indoor and outdoor unit on my Air-Con Air Conditioner?
    • A
      Arthur McdanielAug 3, 2025
      If you are experiencing a communication failure between the indoor and outdoor units of your Air-Con Air Conditioner, here are a few things to check: * Ensure the communication cable is securely connected. * Verify the communication cable is not damaged. * Check the connection between the filter board and the outdoor control board, ensuring it's correct and secure. * Also, check the connection between the filter board and the terminal, making sure it is correct and secure. Additionally, the indoor control board, PFC board, power board, or outdoor control board might have failed.
  • K
    Kevin SpencerAug 7, 2025
    Why does my Air-Con Air Conditioner have current overload protection?
    • A
      Amanda DyerAug 7, 2025
      If your Air-Con Air Conditioner is experiencing current overload protection issues, consider the following: * Check if the fan motor is running abnormally. * Inspect the condenser and evaporator for dirt and clean if necessary. * Ensure that the air inlet and outlet are not obstructed.
  • C
    Cheryl LynchAug 11, 2025
    What causes maximum current protection in Air-Con Air Conditioner?
    • A
      Amanda WhitneyAug 11, 2025
      If your Air-Con Air Conditioner is experiencing maximum current protection activation, it could be due to a short circuit. Specifically, check if the outdoor control board, the drive board, or other components are short-circuited.
  • O
    olivia57Aug 15, 2025
    How to troubleshoot compressor exhaust temperature sensor issues in Air-Con Air Conditioner?
    • S
      Stephanie WhiteAug 15, 2025
      If the compressor exhaust temperature sensor is malfunctioning in your Air-Con Air Conditioner, consider the following potential solutions: * Check the connection of the compressor exhaust temperature sensor to ensure it is not loose. * The compressor exhaust temperature sensor might be faulty and need replacement. * The outdoor control board could be failing.
  • A
    Adam PrestonAug 20, 2025
    What causes outdoor coil temperature sensor issues in Air-Con Air Conditioner?
    • L
      Lindsay WatkinsAug 20, 2025
      If the outdoor coil temperature sensor is malfunctioning in your Air-Con Air Conditioner, consider the following potential solutions: * Check the connection of the outdoor coil sensor to ensure it is not loose. * The outdoor coil temperature sensor might be faulty and need replacement. * The outdoor control board could be failing.
  • N
    Nathan TaylorAug 25, 2025
    How to fix communication trouble between outdoor unit and driver in Air-Con Air Conditioner?
    • K
      Kathryn StewartAug 25, 2025
      If you're having communication issues between the outdoor unit and the driver in your Air-Con Air Conditioner: * Make sure the connection wires are securely connected. * The outdoor board or drive board might be faulty.
  • P
    Patricia MilesAug 28, 2025
    What to do if the outdoor EEPROM is in trouble on my Air-Con Air Conditioner?
    • W
      whitakerthomasAug 28, 2025
      If your Air-Con Air Conditioner is showing that the outdoor EEPROM is in trouble, here are some things to check: * Ensure the EEPROM chip is not loose. * Verify the EEPROM chip is inserted in the correct direction. * The EEPROM chip itself may be faulty.

Summary

Safety Considerations

General Safety Precautions

Includes important warnings, cautions, and safe operating practices.

Handling and Operational Safety

Guidelines for transporting, installing, connecting, and servicing the unit.

Product Specifications

Product Picture and Drawing

Product Dimensions

Visual representation and measurements of indoor and outdoor units.

Installation Instructions

Installation Place and Condition

Requirements for selecting suitable indoor and outdoor unit locations.

Electric Wiring Diagram

Schematics for indoor and outdoor unit electrical connections.

Refrigerant Flow System

Diagrams illustrating refrigerant circulation in cooling and heating modes.

Air Purging and Leakage Test

Procedure for removing air and checking for refrigerant leaks.

Test Running

Post-installation checks and operational testing procedures.

Function Operation

Operation Range

Defines the operational temperature limits for cooling and heating.

Remote Controller Operation

Details on using the remote control and its various functions.

Electrical Characteristics

Print Circuit Board (Indoor & Outdoor)

Identification and part numbers for PCB units.

Fan Motor

Wiring diagrams and resistance testing for fan motors.

Temperature Sensor

Resistance and voltage data for temperature sensors.

Compressor

Procedures for testing compressor windings and diagnosing issues.

Electric Reactor

Common errors and diagnosis for the electric reactor.

Room Card Control, Fire Protection, ON;OFF Function

How to configure room card, fire protection, and ON/OFF functions.

Wiring Remote Controller

Manuals and instructions for wiring different remote controller models.

Trouble Shooting

Error Code Table

List of error codes, their descriptions, and root causes.

Jumper Terminal Testing

Procedure for testing external unit operation using jumper terminals.

Protection Diagnosis

Diagnosis of voltage, current, and other protection mechanisms.

Compressor Diagnosis

Troubleshooting compressor issues, including terminals and resistance.

Electric Filter Board Diagnosis

Visual and voltage checks for the electric filter board.

Electric Communication Diagnosis

Steps to diagnose communication issues between indoor and outdoor units.

Diagnosis and Solution

General troubleshooting steps and solutions, including DC fan motor tests.

Air-Con ABXEM4H4S09 Specifications

General IconGeneral
BrandAir-Con
ModelABXEM4H4S09
CategoryAir Conditioner
LanguageEnglish

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