DoN. Nichols wrote:

Trace that circuit. It may also go through some thermally
tripped switches on the contactor, to drop power when it draws too much
current -- such as when the saw stalls, or when one of a three-phase
feed is open. (Is this powered from three phase?)


Heaters are open circuit it doesn't start when you push the start button,
can't be the heaters. - GWE