Air-Con ASRCI4H4S24 - User Manual

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Service Manual

Questions and Answers

C
Cynthia PenaAug 18, 2025
What to do if there is a communication failure between the indoor unit and outdoor unit in my Air-Con Air Conditioner?
- S
  sharonlopezAug 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.
W
William AllenAug 20, 2025
What causes current overload protection in Air-Con Air Conditioner?
- J
  John CrawfordAug 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.
A
Alison MorenoAug 23, 2025
Why does my Air-Con Air Conditioner show compressor exhaust temperature too high protection?
- K
  Kevin MontoyaAug 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.
X
xclayAug 26, 2025
What causes compressor shell temperature too high protection in Air-Con Air Conditioner?
- R
  Renee ClementsAug 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.
J
Jessica BoyerAug 28, 2025
What to do if my Air-Con Air Conditioner shows anti-freeze or overload protection?
- G
  Grant PerezAug 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
Mark PetersAug 30, 2025
What to do if the compressor drive is in trouble in my Air-Con Air Conditioner?
- N
  Nathaniel MillerAug 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.
V
Vanessa HarrisSep 1, 2025
Why is the outdoor fan motor locked on my Air-Con Air Conditioner?
- C
  Christopher ChavezSep 1, 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
nhillSep 4, 2025
What causes DC compressor start failure in Air-Con Air Conditioner?
- J
  Jordan DelgadoSep 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.
S
sethsalinasSep 7, 2025
What to do if the outdoor EEPROM is in trouble in my Air-Con Air Conditioner?
- J
  Julie HarrisSep 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.
S
Sherri LamSep 9, 2025
What to do if the outdoor coil temperature sensor is in trouble in my Air-Con Air Conditioner?
- J
  Jesse BrownSep 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

Key safety warnings, cautions, and pre-operation reading.

Product Specifications

Model Performance Specifications

Refrigerant Flow System

Cooling and Heating Refrigerant Paths

Air Purging and Leakage Test

Procedure for System Evacuation and Testing

Step-by-step guide for purging air and testing for refrigerant leaks.

Test Running and Operation

Post-Installation Checks

Operation Test Procedure

Unit Function Operation

Remote Controller Functions

Detailed explanation of remote controller buttons, symbols, and features.

Dehumidifying Mode

Dehumidifying Operation Explained

Fan Only and Special Functions

Anti-Freezing and Defrosting Functions

Conditions and actions for anti-freezing and defrosting cycles.

Electrical Characteristics

Indoor Unit PCBs

Indoor Unit PCB Diagrams and Labels

Outdoor Unit PCBs and Diagrams

Outdoor Unit PCB Terminal Layout

Outdoor Unit PCB Component Map

Temperature Sensor Data

Temperature Sensor Parameters

Tables of resistance and voltage values for temperature sensors.

Compressor and Reactor Diagnostics

Compressor Testing and Troubleshooting

Procedures for testing compressor terminals, resistance, and common issues.

Troubleshooting Error Codes

Outdoor Unit Error Codes

Error codes, descriptions, and root causes for outdoor unit malfunctions.

Outdoor Unit Error Codes Continued

Further error conditions and causes for the outdoor unit.

Compressor Operation Error Codes

Error codes related to compressor operation.

Indoor Unit Error Codes

Indoor Unit Error Codes

Error codes, descriptions, and root causes for indoor unit malfunctions.

Indoor Unit Error Codes Continued

Covers the last error codes and causes for the indoor unit.

Indoor Unit Communication and Grounding Errors

Details communication and grounding errors for the indoor unit.

Advanced Troubleshooting

Protection Diagnosis Overview

Introduction to diagnosing various protection mechanisms.

Protection Diagnosis Details

Details protection modes like voltage, current, frequency, and overload.

Compressor Troubleshooting

Compressor Terminal and Resistance Checks

Guide for identifying compressor terminals and measuring winding resistance.

Air-Con ASRCI4H4S24 Specifications

General

Brand	Air-Con
Model	ASRCI4H4S24
Category	Air Conditioner
Language	English

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