User Manuals: Haier HSM12HEKC03/R2DB Air Conditioner

Manuals and User Guides for Haier HSM12HEKC03/R2DB Air Conditioner. We have 1 Haier HSM12HEKC03/R2DB Air Conditioner manual available for free PDF download: Service Manual

Haier HSM12HEKC03/R2DB Service Manual

Haier HSM12HEKC03/R2DB Service Manual (67 pages)

EK Series Wall mounted Type Air Conditioner

Brand: Haier | Category: Air Conditioner | Size: 2 MB

Table of Contents

Service Manual
1
Wall Mounted Type
1
Safety Cautions
4
Caution in Repair
4
Cautions Regarding Products after Repair
5
Inspection after Repair
7
Specification
10
Indoor Unit Connectors
12
Funcitions and Control
17
Main Functions and Control Specification of Indoor Unit
17
Automatic Operation
17
Heating Operation Mode
19
Mute Operation
20
Fixed Frequency Operation
24
Test Program
24
The Control System of Outdoor Unit
25
The Outdoor Fan Control (Exchange Fan)
27
Protection Function
28
Value of Thermistor
31
Installation
44
Parts and Functions
44
Emergency Operation
45
Test Operation
45
Fan Speed Selection
45
Sleep Operation
46
Maintenance
48
Troubleshooting
50
Service Diagnosis
51
Caution for Diagnosis
51
Problem Symptoms and Measures
51
Error Codes and Description Indoor Display
52
Thermistor or Related Abnormality
53
EEPROM Abnormal
54
Indoor AC Fan Motor Malfunction
54
Outdoor DC Fan Motor Fault
56
IPM Protection
57
Over-Current of the Compressor
58
The Communication Fault between IPM and Outdoor PCB
59
Overheat Protection for Exhaust Temperature
61
Wiring Diagrams
62
The Communication Fault between Indoor and Outdoor
63
Loss of Synchronism Detection
65
High Work-Intense Protection
66

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