D
drileyAug 7, 2025
How to fix poorly functioning thermal contact between IGBT and transformer in Telwin TECNICA 1400 Welding System?
- GGeorge 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.