Discuss AM2 Fault finding failure. Bonding splan motor circuit in the UK Electrical Forum area at ElectriciansForums.net
Fault 3. Complete half split technique. Spilt circuit in half and test if the start contactor, emergency stop and overloads all check out and you verify connection at this half you eliminate this side of the circuit. Approach the 2nd half of the circuit as a while new circuit and again half split this if there are normally open switches or contractors. If you find all normal readings to the motor the and all control switches and fuses arc are fine it's the motor. Impressive the examiner even more by pulling out your megger and complete a full winding test for insulation breakdown at 100v then rip out the stator and put a new squirrel in there. Good as gold... all the best next time.
so any reading above 0.5 ohms is a high resistance fault is that correct????
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