Electric saw will not run.

Laserman · Oct 28, 2024

I have an electric saw that will run.
It as a single phase three wire motor, when I press the start button it runs but when I take my finger off it stops, it as starting coil fitted.
Can any one please help.
Keith.

poni · Oct 28, 2024

it could be the
1. coil in the contactor
2. the hold on contacts
3. the stop button stuck in or broken,

UNG · Oct 28, 2024

4. The starter is not wired correctly

SPECIAL LOCATION · Oct 28, 2024

Laserman said:
I have an electric saw that will run.
It as a single phase three wire motor, when I press the start button it runs but when I take my finger off it stops, it as starting coil fitted.
Can any one please help.
Keith.

poni said:
it could be the
3. the stop button stuck in or broken,

As Poni suggests this could be a mechanical problem... Not an electrical fault..!

I had a similar issue a few weeks ago...

Where a stop-button had lost is springy-ness and remained partially stuck down to prevent the normal running 'Start" button to operate a motor correctly.

Is this a newly wired item...
Or an old item that has previously worked ok for many months/years?

kerching · Oct 29, 2024

Is it a no volt release (NVR) start/stop button?

Stevie G · Oct 29, 2024

As Telly Savalas once sang in the 70s , A picture paints a thousand words !!!

Some pictures would help .
Bell across stop contact , this should be N.C contact .
Check the hold on contact on contactor, this should be N.O and closes when the start button is pressed .
Sounds like its not holding the contactor in , once the start button is released .As Poni mentioned above .