Signs of pending death of a GEM PSU

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bgrubb1
Posts: 176
Joined: Fri Jun 28, 2013 1:17 am

Signs of pending death of a GEM PSU

Post by bgrubb1 » Fri Aug 14, 2015 4:58 pm

Just as a heads up for anyone else that has this issue
I have had an issue for a while where regardless of adjustment values, I could not get the GEM reported Voltage up to actual (reads 116 versus 120)
This morning I received a few texts that reported the voltage had dropped to 2.3 volts when I had no power outage. In monitoring it throughout the morning, I was seeing current spikes on all channels. (see attached) I power cycled the GEM and although lights would come on and the PSU read 5.0V open circuit, the GEM appeared dead, couldn't even ping it.
I replaced the GEM PSU with a 5V 2A wallwort from a Netgear switch. All is good again, power spikes all gone.
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Teken
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Joined: Wed Dec 15, 2010 4:09 pm
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Re: Signs of pending death of a GEM PSU

Post by Teken » Fri Aug 14, 2015 11:17 pm

bgrubb1,

There was a small batch were Brultech received some less than stellar power supplies from their vendor. I also had one PSU fail early on but it was replaced under warranty.

As I understand it the new branded PSU transformer units are much better and not prone to this issue.
Teken . . .

My ongoing projects thread: http://www.brultech.com/community/viewt ... ?f=2&t=929
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ben
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Joined: Fri Jun 04, 2010 9:39 am

Re: Signs of pending death of a GEM PSU

Post by ben » Mon Aug 17, 2015 9:31 am

Interesting that it was causing spikes, I'll forward this along to Paul.
Ben
Brultech Research Inc.
E: ben(at)brultech.com
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