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Old 07-18-2017, 07:08 PM
MJHNSN MJHNSN is offline
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Default Singer III X3 ~ Y-axis dead ~ Damaged drivers?

Hello!

I was just running a job and there was a power surge. The lights went off then back on quickly. It didn't damage my job, but the Y axis seems dead.

I already searched the forum on this issue. I ran through the checks others suggested.

Power cycled both the machine and PC.
The gandry moves freely.

I opened the control box and neither of the Y-axis driver lights are on. The fuses look fine. I tried switching the connections from the X-driver and lights still don't come on. Any more ideas?

This sucks.

I will submit a trouble ticket later this evening.
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Old 07-18-2017, 07:11 PM
MJHNSN MJHNSN is offline
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Also, when I power off the machine and unplug from the wall, a light on the red board still remains on. If I leave the machine unplugged for a significant amount of time, will it lose charge and totally reset itself?

Is there any way to force-reset things? Almost like a firmware update...
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Old 07-18-2017, 08:57 PM
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Gary Campbell Gary Campbell is offline
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Use a voltmeter and check power at the "L" and "N" terminals on the 2 dead drives. If there is power there, contact tech support.
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Old 07-19-2017, 03:44 PM
MJHNSN MJHNSN is offline
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I checked to see if the drivers are receiving power and they are. I also checked the continuity on the fuses, also good.

I sent a service request to Camaster


You would think the fuses would catch the surge before the drivers...

It also seems very odd that both of the Y-drivers were affected. Maybe just a coincidence.
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Old 07-19-2017, 04:36 PM
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Makes perfect sense to me. In most cases when CNC electronics are blown up the damaging voltage is carried on the ground. That's why I like a cord better than a disconnect. A disconnect leaves the ground connected and I have never seen a charge jump 4 feet to a cord lying on the floor.
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Old 07-19-2017, 05:54 PM
ScottM ScottM is offline
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Gary,

I never thought of the ground always being connected (as it would be) using a standard disconnect.

But would it have changed anything here since they were using the machine?
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Old 07-19-2017, 07:52 PM
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Not really. I was referring to the fuse not blown you had mentioned. If the machine was on and running, there is little you can do.
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Old 07-19-2017, 10:15 PM
MJHNSN MJHNSN is offline
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Still waiting on my reply from Camaster.

I've been thinking about how to prevent this from happening in the future. What do you guys think about purchasing a surge protector / battery backup (like people use for computers). I was thinking I'd get one for the machine and one for the PC that way it both would keep operating like normal. Obviously it wouldn't help for long outages, but it would be enough to keep a job running for a quick power surge.

Thoughts? What precautions do you guys take?

I learned a lesson. Protect your incredibly expensive machine. This could have been a lot worse.


Edit: Gary, what do you mean you use a cord rather than a disconnect? I'm not following.
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Old 07-20-2017, 12:05 AM
Rlee1972 Rlee1972 is offline
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Instead of a disconnect switch that you throw in a panel box, you plug/unplug an actual cord. While not always as convenient as a switch, especially down here in the south that seems to be boom-boom central (heavy thunderstorms) there is no greater safety than the manual unplug. As to your other question, I have a large industrial shop wide surge protector at the panel box and then an additional Staples surge protector for my computer. However, when a storm does blow up, we shut down all the electronics and unplug the machines as Gary was referencing. It's time consuming up front but buco savings on the back end.
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