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12822
Lincoln Electric 12822 Manuals
Manuals and User Guides for Lincoln Electric 12822. We have
1
Lincoln Electric 12822 manual available for free PDF download: Service Manual
Lincoln Electric 12822 Service Manual (172 pages)
Brand:
Lincoln Electric
| Category:
Welding System
| Size: 17 MB
Table of Contents
Table of Contents
2
Using the Status Led to Troubleshoot System Problems
6
Troubleshooting Guide
8
General Description
11
Input Section
12
Insulated Gate Bipolar Transistor (IGBT) Operation
13
Inverter Control Board and Switchboard
14
Main Transformer
15
Output Rectifier and Choke
16
Pulse Width Modulation
17
Thermal Protection
19
User Interface (UI) Board
20
Auxiliary Power Board Test Procedure
22
Boost Rectifier Test Procedure
27
Boost Relay Test Procedure
32
Capacitor Discharge Procedure
35
Choke Test Procedure
39
Current Transducer (Lem) Test Procedure
41
Fan and F.a.n. Circuit Test Procedure
46
Input Rectifier and Scr (Pre-Charge) Board Test Procedure
50
Inverter Control Board Test Procedure
54
Line Switch Test Procedure
59
Main Capacitor Board Test Procedure
63
Main Transformer Test Procedure
66
Mode Select Switch Test Procedure
69
Output Rectifier Assembly Test Procedure
72
Pfc Boost Board Test Procedure
75
Retest after Repair
78
Special Testing Modes
80
Switchboard Test Procedure
90
Thermostat #1 and #2 Circuit Test Procedure
97
User Interface Board Test Procedure
102
Auxiliary Power Board Removal and Replacement Procedure
107
Boost Rectifier Removal and Replacement Procedure
110
Boost Relay Removal and Replacement Procedure
113
Case Cover Removal and Replacement Procedure
116
Choke Removal and Replacement Procedure
119
Current Transducer Removal and Replacement Procedure
125
Fan Removal and Replacement Procedure
127
Input Rectifier Removal and Replacement Procedure
131
Inverter Control Board Removal and Replacement Procedure
133
Line Switch Removal and Replacement Procedure
136
Main Capacitor Board Removal and Replacement Procedure
139
Main Transformer Removal and Replacement Procedure
142
Mode Select Switch Removal and Replacement Procedure
149
Output Rectifier Removal and Replacement Procedure
152
Pfc Boost Board Removal and Replacement Procedure
156
Scr (Pre-Charge) Board Removal and Replacement Procedure
161
Switchboard Removal and Replacement Procedure
164
Thermostat #1 Removal and Replacement Procedure
168
User Interface Board Removal and Replacement Procedure
171
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Welding System
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