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Telwin TECNICA 1400 - User Manual

Telwin TECNICA 1400
20 pages
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TROUBLESHOOTING
AND REPAIR MANUAL
TROUBLESHOOTING
AND REPAIR MANUAL
TEC
NICA
1
4
0
.1
- 1
4
2
“reparation no problem !”
cod. 988401
inverter
TEC
NIC
A 1400-1
600
CONTENTS PAG E
OPERATION AND ELECTRICAL DIAGRAMS................... 2
- Block diagram 2
- Analysis of block diagram 3
- Illustrations 5
- Electrical diagrams 6
REPAIR GUIDE.................................................................. 10
- Equipment required 10
- General repair instructions 11
- Troubleshooting and remedies 11
- Testing the machine 14
- Illustrations 16
SPARE PARTS LIST.......................................................... 17
REPAIR SHEET................................................................. 19
TROUBLESHOOTING
AND REPAIR MANUAL
TROUBLESHOOTING
AND REPAIR MANUAL
31/05/02

Table of Contents

Questions and Answers

  • D
    drileyAug 7, 2025
    How to fix poorly functioning thermal contact between IGBT and transformer in Telwin TECNICA 1400 Welding System?
    • G
      George McclureAug 7, 2025
      If the thermal contact between the IGBT and transformer in your Telwin Welding System is not functioning well, possibly due to loosened attachment screws, clean the paint from the bump contacts of the dissipator. Check J4 and measure the resistance between the two bump contacts; it should be approximately 0 ohm.

Telwin TECNICA 1400 Specifications

General IconGeneral
Welding ProcessMMA
Input Voltage230 V
Input Frequency50/60 Hz
Protection DegreeIP21
Electrode Diameter1.6 - 4.0 mm
Insulation ClassH
Welding Current Range10 - 140 A

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