Air-Con ABSCI4H4S12 - User Manual

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Service Manual

Questions and Answers

M
Michael CampbellAug 18, 2025
What to do if there is a communication failure between the indoor unit and outdoor unit in my Air-Con Air Conditioner?
- R
  Robert BanksAug 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.
R
Robert ShepherdAug 20, 2025
What causes current overload protection in Air-Con Air Conditioner?
- D
  dstevensAug 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.
R
rlevyAug 23, 2025
Why does my Air-Con Air Conditioner show compressor exhaust temperature too high protection?
- J
  Jordan CookAug 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.
B
Bradley FisherAug 26, 2025
What causes compressor shell temperature too high protection in Air-Con Air Conditioner?
- C
  Christine HartAug 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.
M
matthewphillipsAug 28, 2025
What to do if my Air-Con Air Conditioner shows anti-freeze or overload protection?
- M
  Mr. Jerry FosterAug 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.
M
mooreashleyAug 30, 2025
What to do if the compressor drive is in trouble in my Air-Con Air Conditioner?
- A
  Amber WallaceAug 30, 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.
P
Pamela FlowersSep 2, 2025
Why is the outdoor fan motor locked on my Air-Con Air Conditioner?
- M
  martinantonioSep 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.
Z
Zachary BenderSep 4, 2025
What causes DC compressor start failure in Air-Con Air Conditioner?
- A
  Angelica AdamsSep 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.
A
Ann Manning DDSSep 7, 2025
What to do if the outdoor EEPROM is in trouble in my Air-Con Air Conditioner?
- N
  Nancy WallaceSep 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.
T
Timothy BakerSep 10, 2025
What to do if the outdoor coil temperature sensor is in trouble in my Air-Con Air Conditioner?
- H
  heidi30Sep 10, 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 Information

General Safety Precautions

Essential warnings and cautions for safe installation and operation.

Special Precautions

Critical safety measures for wiring, transportation, and installation.

Product Information

Product Specifications

Detailed technical specifications for various unit models.

Product Pictures and Drawings

Visual representations of indoor units, outdoor units, and remote controllers.

Product Dimensions

Detailed measurements for indoor and outdoor unit components.

Installation and Operation

Installation Place and Condition

Guidelines for selecting appropriate locations for unit installation.

Electric Wiring Diagrams

Diagrams detailing electrical connections for indoor and outdoor units.

Refrigerant Flow System

Illustrates refrigerant circulation paths for cooling and heating modes.

Function Operation Modes

Explains operation ranges, remote controller functions, and special modes.

Electrical Characteristics

Print Circuit Board Identification

Identification and diagrams of internal circuit boards for units.

Fan Motor Details

Wiring diagrams and testing procedures for fan motors.

Temperature Sensor Parameters

Parameter tables for indoor and outdoor temperature sensors.

Compressor Testing

Guidance on testing compressor resistance and troubleshooting.

Troubleshooting

Error Code Table

Lists error codes, their indications, and potential root causes.

Protection Diagnosis and Testing

Analysis of protection mechanisms, jumper tests, and fault diagnosis.

Component Fault Diagnosis

Methods for diagnosing compressor, communication, and filter board issues.

Air-Con ABSCI4H4S12 Specifications

General

Brand	Air-Con
Model	ABSCI4H4S12
Category	Air Conditioner
Language	English

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