Please Help! I moved my Delta Unisaw X5 that was workin fine before I moved and now it just makes a buzzing noise at the start switch box. Any ideas where I should start?
Maybe a wire has fallen off. The buzzing is likely the contactor, working correctly all A/C powered contactor will make a little noise drown out by whatever equipment is being run. If it's very loud, then it's more serious. I would start by checking all connections in the motor starter box.
Thanks!
I checked all wire connections at switch and everything looks good there. The buzzing is only when holding the start switch.
Does anyone know how many capacitors are on this motor? If you look at the attached photo it looks like there might be two if them. Where can you get new ones at a reasonable price?
It will have 2 capacitors, generally the one that's bad is the one that stinks, and sometimes has an oily goo leaking out of it. Capacitors can be bought anywhere, and they are not expensive (up to maybe $25, as low as $1`0). but your best bet may be a motor shop. Seems like when my Unisaw blew the start cap, the shop had to look for one that was a similar size. There is another possibility, the motor has a centrifugal switch that sometimes needs the dust blown out (in the motor). If your unsure of how to go about this, maybe removing the motor (ugh!, it's heavy…fair warning) and taking it to the aforementioned shop would be best.
Do you get only the buzzing from the start box? Is there any humming noise coming from the motor at all? If the motor is making zero noise, it's likely there is an open in the circuit somewhere. Usually when a start capacitor fails, the current is still getting to the motor an causing it to make a little humming noise, only without any movement.
NOT being an electrician, is it 220? Did you move it to a different receptacle? Is the saw getting 220?, maybe only one leg is hot? Don't know just trying to help troubleshoot.
Are all the leads down tight. could be a bad contactor. Have you put a meter on the L1 & L2 to make sure you have power in and out and at the motor starter?
Sounds like you need to take your contactor apart and blow it out and make sure something didn't get jostled during your move and is preventing it from closing completely. Check with an ohmmeter across the seal in contact (17 maybe) to make sure it's closing when the contactor is pushed in.
Well….. After reading all of your posts, I thought I would check how the electrician wired the box. Of course, it was only 120 volts! Off to the store to find a breaker, thanks for all of your help guys!
I appreciate it all
Are you sure there's not a bee trapped in there, or a mosquita….? Just japein' ya…..Sounds like you got some good advice from up above….I have nothing further to add at this time…...You 've got plenty of help…....!!!!!!
NOT being an electrician, is it 220? Did you move it to a different receptacle? Is the saw getting 220?, maybe only one leg is hot? Don t know just trying to help troubleshoot.
Well….. After reading all of your posts, I thought I would check how the electrician wired the box. Of course, it was only 120 volts! Off to the store to find a breaker, thanks for all of your help guys!
I appreciate it all
I had that that problem once. The electro magnet was weak. I put some electrical tape to move the contractor a bit closer and it fixed the problem. You should be able to push the contactor in manually and motor should start.
So Jim, what was the actual problem? I read and reread your replies, and my conclusion is that you moved the saw from point A, that had 220 volts, to point B, with only 120 volts.. ............. Jerry (in Tucson)
Glad you got that fixed. Funny how we never check the obvious first. I spent a good couple hours once worrying about my saw had died, and the breaker had tripped. Just a spark gap problem. Have a good thanksgiving!
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