Air-Con ASRCI4H4S18 - User Manual

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Service Manual

Questions and Answers

W
william99Aug 18, 2025
What to do if there is a communication failure between the indoor unit and outdoor unit in my Air-Con Air Conditioner?
- E
  erin34Aug 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.
T
Teresa DonaldsonAug 20, 2025
What causes current overload protection in Air-Con Air Conditioner?
- A
  Adam HendersonAug 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.
T
Timothy MackAug 22, 2025
Why does my Air-Con Air Conditioner show compressor exhaust temperature too high protection?
- A
  Austin BeardAug 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
Nicholas MosesAug 26, 2025
What causes compressor shell temperature too high protection in Air-Con Air Conditioner?
- M
  Mark BennettAug 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.
K
Kevin JohnsonAug 27, 2025
What to do if my Air-Con Air Conditioner shows anti-freeze or overload protection?
- S
  Sarah CookAug 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.
L
langthomasAug 30, 2025
What to do if the compressor drive is in trouble in my Air-Con Air Conditioner?
- M
  Michael RodriguezAug 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.
R
Rebecca PalmerSep 2, 2025
Why is the outdoor fan motor locked on my Air-Con Air Conditioner?
- G
  Gavin CollinsSep 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.
N
Nathan CummingsSep 4, 2025
What causes DC compressor start failure in Air-Con Air Conditioner?
- C
  Chelsea GarciaSep 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
melissahartmanSep 6, 2025
What to do if the outdoor EEPROM is in trouble in my Air-Con Air Conditioner?
- M
  Melissa BriggsSep 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
Heather MillerSep 9, 2025
What to do if the outdoor coil temperature sensor is in trouble in my Air-Con Air Conditioner?
- A
  Alexis PotterSep 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 Warning Information

Essential safety guidelines, including warnings and cautions for unit operation and installation.

Special Precautions for Installation and Handling

Specific safety advice for wiring, transporting, and installing the unit.

Product Specifications

Performance Specifications

Details cooling capacity, heating capacity, input, SEER, HSPF, and EER for various models.

Performance Specs (ABSCI;EM4 H Models)

Performance data for ABSCI/EM4H series models.

Specifications (ABSCI;EM4 H Models - Part 2)

Specifications for ASPCI4 H4 S30 Model

Installation Instruction

Indoor Unit Installation Place and Conditions

Guidelines for selecting the installation location for indoor units.

Outdoor Unit Installation Place and Conditions

Guidelines for selecting the installation location for outdoor units.

Electric Wiring Diagram References

List of wiring diagram numbers for different models.

Indoor Unit Circuit Diagram (1852066)

Detailed circuit diagram for indoor unit model 1852066.

Indoor Unit Circuit Diagrams (1854605, 1854698)

Detailed circuit diagrams for indoor unit models 1854605 and 1854698.

Outdoor Unit Circuit Diagram (1854707)

Detailed circuit diagram for outdoor unit model 1854707.

Air Purging and Leakage Test Procedure

Test Running: Post-Installation Checks

Function Operation

Operating Temperature Ranges

Remote Controller Functions and Display Symbols

Overview of remote controller buttons, LCD symbols, and basic operations.

Timer, Sleep, and Smart Mode Operations

Electrical Characteristics

Indoor and Outdoor Print Circuit Board Identification

Print Circuit Board Diagrams and Labels

Outdoor Unit Circuit Board Details

Compressor Testing and Troubleshooting

Procedures for testing compressor windings and common issues.

Trouble Shooting

Outdoor Unit Error Code Table

Table of outdoor unit error codes and their root causes.

Outdoor Unit Protection Error Codes

Specific error codes related to outdoor unit protection mechanisms.

More Outdoor Unit Protection and Fault Codes

Additional protection codes and fault descriptions for the outdoor unit.

Compressor Frequency Limitation Error Codes

Indoor Unit Error Code Table (7-Segment Display)

Error codes displayed on the indoor unit's 7-segment display.

Indoor Unit Error Codes and Root Causes (Part 1)

Detailed error codes for indoor units and their potential causes.

Indoor Unit Error Codes and Root Causes (Part 2)

Further error codes and potential causes for indoor units.

Indoor Unit Specific Faults and Protections (Part 1)

AC Voltage and Over-Current Protection Diagnosis

Diagnosis of AC input voltage and over-current protection mechanisms.

Frequency Control and Compressor Protection Diagnosis

Diagnosis of frequency control issues and compressor protection.

Electric Filter Board and Communication Diagnosis

Troubleshooting for electric filter boards and inter-unit communication.

Air-Con ASRCI4H4S18 Specifications

General

Brand	Air-Con
Model	ASRCI4H4S18
Category	Air Conditioner
Language	English

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