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Haier 1U24GS1ERA User Manual

Haier 1U24GS1ERA
124 pages
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SERVICE MANUAL
Order No.!"##$%&$$#'$
EK&EM-Series
Model No.
1U24GS1ERA
©2011 (Qingdao Haier Air Conditioner General corp.,Ltd)
All right reserved .Unauthorized copying and distribution is a violation of law
Haier Group
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
repair the product or products dealt with in this service information by anyone else could result in serious injury or death
WARNING
Wall mounted Type
DC Inverter
AS24GS1ERA
AS24GS2ERA
AS24GS2ERA
indoor unit and remote controller(HD)
1U24GS1ERA outdoor unit
AS24GS1ERA
indoor unit and remote controller(W)

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Questions and Answers:

Haier 1U24GS1ERA Specifications

General IconGeneral
Compressor TypeRotary
Outdoor Unit Noise Level52 dB
Cooling Capacity24000 BTU/h
Cooling Capacity (Ton)2 Ton
Heating Capacity24000 BTU/h

Summary

Introduction and Safety Cautions

Safety Cautions

General safety precautions to be observed before conducting repair work, including pictograms.

Specifications

Printed Circuit Board Connector Wiring Diagram

Functions and Control

Error Codes and Description

Thermistor or Related Abnormality (indoor unit)

Diagnosing and troubleshooting indoor thermistor sensor failures (room, heat-exchange).

Indoor fan motor malfunction

Troubleshooting steps for indoor fan motor issues, including checking connections and voltages.

IPM protection

Diagnosing IPM protection issues, including fan motor rotation and voltage checks.

IPM and outdoor PCB communication abnormality

Troubleshooting communication faults between indoor and outdoor units, checking wiring and PCBs.

Thermistor or Related Abnormality (outdoor unit)

Diagnosing and troubleshooting outdoor thermistor errors like frost-removing and exhaust temperature.

Overheat Protection For Exhaust Temperature

Procedures for diagnosing and resolving overheat protection issues related to exhaust temperature.

EEPROM Abnormality (Indoor or outdoor unit)

Troubleshooting EEPROM errors on indoor or outdoor units, checking PCB and data.

Communication error between indoor and outdoor units

Steps to resolve communication errors between indoor and outdoor units, focusing on wiring and mainboards.

Power Supply Over or Under Voltage Fault

Diagnosing power supply faults, including over/under voltage, IPM module, and PCB issues.

Loop of the station detect error

Troubleshooting compressor rotor detection errors, checking wiring, connections, and compressor status.

Over-current of the compressor

Diagnosing and resolving compressor over-current issues, checking IPM module and power supply.

Installation

Removal of Procedure

Wiring Diagrams

Circuit Diagrams

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