CIGWELD WELDSKILL 180 - Over Temperature Indicator on & no Output from Machine

ADVANCED TROUBLESHOOTING-POWER SOURCE 11-6 0-5461
SERVICE MANUAL
180
SERVICE MANUAL
180
11.05 Over Temperature Indicator ON & No Output from Machine
Art # A-13049
Is the IGBT heatsink thermostat
contacts open circuit at 25C
(contacts should be normally
closed) ?
Replace IGBT heatsink thermostat with normally
closed contacts
50±5%KΩ @ 25C ?