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HSU-24LEK03/R2(DB)
Haier HSU-24LEK03/R2(DB) Service Manual
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Domestic air conditioner
Removal of procedure
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screws, then lift the
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Table of Contents
Default Chapter
2
Table of Contents
2
1 Introduction
3
Cautions Regarding Products after Repair
4
Inspection after Repair
6
2 List of Functions
8
3 Specifications
9
4 Printed Circuit Board Connectorwiring Diagram
11
5 Functions and Control
16
Main Functions and Control Specifications of Indoor Unit
16
Main Functions and Control Specifications of Outdoor Unit
23
The Control System of Outdoor Unit
23
Protection Function
25
Value of Thermistor
27
6 System Configuration
39
Instruction
39
Parts and Functions
40
Remote Controller
40
Display Board
40
Test Operation
42
Operation Mode
43
7 Error Codes and Descirption
47
Service Diagnosis
47
Caution for Diagnosis
47
Problem Symptoms and Measures
47
Error Codes and Description Indoor Display
47
Thermistor or Related Abnormality
49
Eeprom Abnormal
50
Indoor Ac Fan Motor Malfunction
51
Outdoor DC Fan Motor Fault
52
Ipm Protection
53
The Communication Fault between Ipm and Outdoor Pcb
55
The Communication Fault between Indoor and Outdoor
58
Loss of Synchronism Detection
60
8 Installations
62
Installation Manual of Room Air Conditioner
63
Accessory Parts
63
9 Removal Procedure
67
Removal of Indoorunit
67
The Removal Procedure of Outdoor
79
Removal of Fan and Fan Motor
84
10 Wiring Diagrams
92
Indoor Unit
92
Outdoor Unit
93
11 Circuit Diagrams
94
12 Description of Coding Rules of Unit Model
97
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Haier HSU-24LEK03/R2(DB) Specifications
General
Brand
Haier
Model
HSU-24LEK03/R2(DB)
Category
Air Conditioner
Language
English
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