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Air-Con ABSCI4H4S09 - User Manual

Air-Con ABSCI4H4S09
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Service Manual

Table of Contents

Questions and Answers

  • R
    Rhonda BeckAug 18, 2025
    What to do if there is a communication failure between the indoor unit and outdoor unit in my Air-Con Air Conditioner?
    • A
      Anne JohnsonAug 18, 2025
      If the Air-Con Air Conditioner displays a communication failure between the indoor and outdoor units, check the following: * Ensure the communication cable is securely connected. * Verify the communication cable is not faulty. * Check the connection between the filter board and the outdoor control board, ensuring it is correct and secure. * Check the connection between the filter board and the terminal, ensuring it is correct and secure. * The indoor control board might be faulty. * The PFC board might be faulty. * The power board might be faulty. * The outdoor control board might be faulty.
  • D
    donna04Aug 21, 2025
    What causes current overload protection in Air-Con Air Conditioner?
    • A
      Anita BlakeAug 21, 2025
      If your Air-Con Air Conditioner is showing current overload protection, it might be due to: * Abnormal fan motor operation. * Dirty condenser and evaporator coils. * Abnormal air inlet or outlet conditions.
  • C
    Christian BrockAug 23, 2025
    Why does my Air-Con Air Conditioner show compressor exhaust temperature too high protection?
    • A
      Alexander JohnsonAug 23, 2025
      If your Air-Con Air Conditioner is showing compressor exhaust temperature too high protection, it could be due to: * A faulty compressor exhaust temperature sensor. * Insufficient refrigerant in the unit.
  • N
    Nicole WilliamsAug 26, 2025
    What causes compressor shell temperature too high protection in Air-Con Air Conditioner?
    • H
      Holly DoyleAug 26, 2025
      If your Air-Con Air Conditioner is showing compressor shell temperature too high protection, it might be due to: * A loose connection of the compressor exhaust temperature sensor. * Insufficient refrigerant in the unit.
  • T
    Teresa CobbAug 28, 2025
    What to do if my Air-Con Air Conditioner shows anti-freeze or overload protection?
    • K
      keith58Aug 28, 2025
      If the Air-Con Air Conditioner is experiencing anti-freeze protection during cooling or overload protection during heating, consider the following: * Check if the indoor coil temperature sensor is loosely connected. * The indoor coil temperature sensor might be faulty. * The indoor control board might be faulty. * The refrigerant system might be abnormal.
  • J
    Joshua KleinAug 30, 2025
    What to do if the compressor drive is in trouble in my Air-Con Air Conditioner?
    • M
      melissaelliottAug 31, 2025
      If your Air-Con Air Conditioner's compressor drive is in trouble, possible causes include: * A faulty outdoor drive board. * A faulty compressor. * A faulty outdoor control board.
  • S
    Stephanie CastroSep 2, 2025
    Why is the outdoor fan motor locked on my Air-Con Air Conditioner?
    • J
      Jennifer WalkerSep 2, 2025
      If your Air-Con Air Conditioner's outdoor fan motor has locked rotor protection, check the following: * Ensure the outdoor fan motor connection is secure. * Check for any obstructions blocking the outdoor fan. * The fan motor might be faulty. * The outdoor control board might be faulty.
  • A
    Anthony StoneSep 4, 2025
    What causes DC compressor start failure in Air-Con Air Conditioner?
    • S
      Samuel Fischer DDSSep 5, 2025
      If your Air-Con Air Conditioner's DC compressor fails to start, it could be due to: * A faulty outdoor drive board. * A faulty compressor.
  • D
    Daniel KramerSep 7, 2025
    What to do if the outdoor EEPROM is in trouble in my Air-Con Air Conditioner?
    • C
      Carolyn VegaSep 7, 2025
      If your Air-Con Air Conditioner's outdoor EEPROM is in trouble, check: * If the EEPROM chip is loose. * If the EEPROM chip is inserted in the opposite direction. * If the EEPROM chip is faulty.
  • J
    Jackson AlvarezSep 9, 2025
    What to do if the outdoor coil temperature sensor is in trouble in my Air-Con Air Conditioner?
    • R
      Rhonda MillerSep 9, 2025
      If the Air-Con Air Conditioner displays that the outdoor coil temperature sensor is in trouble, check the following: * Ensure the outdoor coil sensor is securely connected. * The outdoor coil temperature sensor might be faulty. * The outdoor control board might be faulty.

Summary

Safety Considerations

Important Safety Instructions

Read this booklet, follow steps, observe codes, and pay attention to warnings.

Special Precautions

Electrical Safety Precautions

Guidelines for wiring safety, emphasizing qualified electricians and proper grounding.

Handling and Installation Safety

Precautions for transporting units and ensuring secure installation in walls or rooms.

Product Specifications

Installation Instructions

Installation Place and Conditions

Guidelines for selecting suitable locations for indoor and outdoor units, including avoidances.

Electric Wiring Diagram

Table listing diagram numbers for indoor and outdoor units.

Test Running and Operation Checks

Remote Controller Operation and Functions

Remote Controller Operation and Instructions

Details on remote controller buttons, functions, and LCD symbols.

Specialized Function Modes

Dehumidifying Mode Operation

Anti-freezing and Defrosting Functions

Conditions and actions for anti-freezing protection and defrosting cycles.

Electrical Characteristics

Print Circuit Board Identification (Indoor)

Print Circuit Board Identification (Outdoor)

Sensor Parameters

Temperature Sensor Parameters

Outdoor Compressor Temperature Sensor Parameters

Compressor and Reactor Information

Compressor Resistance Testing

Compressor Troubleshooting and Notes

Common compressor troubles, handling notes, and operational warnings.

Troubleshooting

Outdoor Unit Error Code Table

Table mapping outdoor unit LED indications to failure codes and root causes.

Outdoor Unit Operation Status Codes

Indoor Unit Error Code Indications

Error codes displayed on the indoor unit's 7-segment tube and their causes.

Trouble Diagnosis Procedures

Trouble Diagnosis of Protection

Diagnosis of protection mechanisms like under-voltage, over-voltage, and overcurrent.

Voltage and Current Protection Diagnostics

Conditions and actions for AC input voltage and current protection.

Frequency Protection Diagnostics

Diagnosis of frequency rising prohibition for compressor discharge and outdoor coil pipe.

Compressor Diagnosis

Troubleshooting compressor terminals and resistance checks.

Electric Communication Diagnosis

Air-Con ABSCI4H4S09 Specifications

General IconGeneral
BrandAir-Con
ModelABSCI4H4S09
CategoryAir Conditioner
LanguageEnglish

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