[hammy595]

Re: Siemens E12 46 trips RCD on increasing spin speed

ok, that is the same result i found,could be worse as some are more expensive and i can fit it,thanks again for your help.

[hammy595]

Re: Siemens E12 46 trips RCD on increasing spin speed

Thanks so much for your help, have looked on here and sent a request for new one are they re-buildable (new armature) as it looks a quality item and is easily stripped by a novice ie me!!

[hammy595]

Re: Siemens E12 46 trips RCD on increasing spin speed

Hi stripped motor have checked commutator to ground (spindle) on m ohm scale and getting .01 and on multi-meter 200k range 26.0 this is on all segments looks like it is to ground to me but why all segs?

[hammy595]

Re: Siemens E12 46 trips RCD on increasing spin speed

Have now stripped and cleaned motor (very nice design can be totally stripped) and it still trips RCD and is (obviously) ok when earth disconnected, so do you think motor is u/s (short to earth), it looked all good when apart and runs fine when earth is off. I have a megger but not sure where to check motor, to avoid further damage. Thanks in anticipation

[hammy595]

Re: Siemens E12 46 trips RCD on increasing spin speed

Hi thanks for the reply its WM 12E46SGB-22 just disconnected the earth to the motor to fault find (naughty I know) and it runs fine. Could it be carbon build up?

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