How to measure the contactor is good or bad
Such as one of the work, the other does not work can be roughly determined to contact bad.
Because the press and the external fan are through the contactor normally open contact control, so the contact work is synchronized.
Look: A, see if it works. B, boot, such as contactor pull, then the fan work, press does not work (set the capacitor is good), can initially determine the contactor bad
