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  • Nice to chat with you. You seem to know quite a bit about the 180 SD.
    Problem: HF is always on and the output contactor light (the light on the front panel) is lit also. I tried another pedal and another tig torch and that did not fix the problem.

    The posts I have read suggest that the remote foot control pins to the main board (PC1) are loose. Any ideas? Also, is the HF always activated, or does it switch off after an arc is started? Gap is .012. Should I reset and clean gap? Also, should I check the foot pedal connector on the front of the machine? Help!