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SH12BWHAX
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Samsung SH12BWHAX - Page 54
54 pages
Manual
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ELECTRONICS
This Service Manual is a property of Samsung Electronics Co., Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law
.
©
Samsung Electronics Co., Ltd.
Nov. 2004.
DB98_19047A(1)_co 4/21/04 2:26 PM Page 2
53
Table of Contents
Main Page
Table of Contents
1
Product Specifications
2
Table
2
Pressure Graph
3
Sh09Bwha
3
Sh12Bwha
3
The Feature of Key in Remote Control
4
Operating Instructions
4
Name & Function of Key in Remote Control
6
Auto Mode
6
Cool Mode
6
Dry Mode
6
Flap
7
Setting the On/Off Timer
7
Buzzer Sound
7
Replace PCB Model Option
8
Indoor Unit
9
Disassembly and Reassembly
9
Outdoor Unit
14
Refrigerating Cycle Diagram
14
Setting Option Setup Method
15
Set up the Model Option
15
Unit Operation Test-Run
17
Table of the Option Code
18
Basic Items for Trouble Shooting
19
Troubleshooting
19
The First Determination Method of Troubled Part
20
Error Mode Display of Indoor Unit
20
Error Mode Display of Outdoor Unit Board
21
Sequence of Trouble Shooting for Inverter Aircon
22
Check of Indoor Unit Control Board
23
Display Board and Remote Control Check of Indoor Unit
23
Check of Indoor Unit Fan Motor
24
Check of Communication Line between the Indoor Unit and Outdoor Unit
24
Communication Error Mode
24
Check of Indoor Unit
24
Check the Heatsink Temperature Sensor of IPM
25
Check of Operation Current Abnormal Increase Mode
25
Check of Current Sensor, Voltage Sensor on the Board
25
Condition of Installation
26
Unit Defect
26
Check of the Heatsink Temperature Abnormal Rise
27
Check BLDC Compressor Starting Error
27
Check no Gas Error
28
Check of 4-Way Valve
28
Check of Outdoor Unit Fan Motor
28
Fault Diagnosis of Major Parts
29
Exploded Views and Parts List
31
Parts List
32
Ass'y-Control in
35
Ass'y Control out
37
Controller
39
Block Diagram
39
Ass'y PCB Indoor Unit
40
Top
40
PCB Diagram
40
Bottom
41
Ass'y PCB Outdoor Unit
44
Indoor Unit(9K / 12K)
50
Wiring Diagram
50
Outdoor Unit(9K / 12K)
51
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