Air-Con ABSCI4H4S18 - User Manual

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Service Manual

Questions and Answers

A
Allen SimmonsAug 18, 2025
What to do if there is a communication failure between the indoor unit and outdoor unit in my Air-Con Air Conditioner?
- H
  hmezaAug 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
ryanwhitneyAug 20, 2025
What causes current overload protection in Air-Con Air Conditioner?
- E
  Eric LoganAug 20, 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
cameronmahoneyAug 23, 2025
Why does my Air-Con Air Conditioner show compressor exhaust temperature too high protection?
- A
  Adrian BellAug 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.
J
Jennifer ProctorAug 26, 2025
What causes compressor shell temperature too high protection in Air-Con Air Conditioner?
- T
  Thomas BradleyAug 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
micheal80Aug 27, 2025
What to do if my Air-Con Air Conditioner shows anti-freeze or overload protection?
- E
  Eddie McmahonAug 27, 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.
D
Destiny MorrisAug 30, 2025
What to do if the compressor drive is in trouble in my Air-Con Air Conditioner?
- K
  Karen KingAug 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
Paige GalvanSep 2, 2025
Why is the outdoor fan motor locked on my Air-Con Air Conditioner?
- K
  Kevin MillerSep 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.
C
Christie MuellerSep 4, 2025
What causes DC compressor start failure in Air-Con Air Conditioner?
- M
  Michele GoodwinSep 4, 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.
M
Matthew EdwardsSep 6, 2025
What to do if the outdoor EEPROM is in trouble in my Air-Con Air Conditioner?
- Z
  Zachary WalkerSep 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.
H
hsampsonSep 9, 2025
What to do if the outdoor coil temperature sensor is in trouble in my Air-Con Air Conditioner?
- M
  Michael RhodesSep 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

General Safety and Warnings

Key safety advice, warnings, and caution symbols for safe operation.

Precautions for Wiring

Safety guidelines for electrical wiring procedures and connections.

Precautions for Handling and Installation

Guidelines for safely transporting and installing the air conditioning unit.

Precautions for Refrigerant Connections

Safety steps for connecting refrigerant tubing and ensuring leak-free connections.

Precautions for Servicing and Other Situations

Safety measures during servicing and handling other potential hazards.

Installation Guide

Installation Place and Conditions

Guidelines for selecting suitable indoor and outdoor locations for unit installation.

Electric Wiring Diagrams

Schematics illustrating electrical connections for indoor and outdoor units.

Air Purging and Leakage Test

Test Running and Checks

Troubleshooting Guide

Error Code Table

A comprehensive list of error codes and their potential causes and indications.

Protection Diagnosis

Compressor Troubleshooting

Electric Filter Board and Communication Diagnosis

Air-Con ABSCI4H4S18 Specifications

General

Energy Efficiency Ratio (Cooling)	3.21
Coefficient of Performance (Heating)	3.61
Refrigerant	R410A
Indoor Unit Noise Level	42 dB(A)
Outdoor Unit Noise Level	54 dB(A)
Category	Air Conditioner
Cooling Capacity	18000 BTU/h
Power Supply	220-240V, 50Hz

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