On 11/19/2017 04:55 PM, Peter C. Wallace wrote:
On Sun, 19 Nov 2017, dave wrote:
Date: Sun, 19 Nov 2017 16:11:13 -0800
From: dave <dengv...@charter.net>
Reply-To: "Enhanced Machine Controller (EMC)"
<emc-users@lists.sourceforge.net>
To: "Enhanced Machine Controller (EMC)"
<emc-users@lists.sourceforge.net>
Subject: [Emc-users] 5i20 problems
My 5i20 has been rock solid for years but:...it urped all over me
today. No readout on the encoders.
Rebooting didn't help. The ptc in the upper right corner of the 5i20
is running hot; too hot to pinch and keep holding on.
I suppose this indicated problems downstream.
Where do I go next? Or do I simply send the board back to Peter and
see if it is repairable?
Lost in the wilderness. ;-)
Dave
If PTC1 is hot, that indicates trouble not with the 5I20 but with one
of the daughtercards or something that is powered by daughtercard 5V
I would start by unplugging daughtercards and find the one causing the
issue And then check is its the duaghtercard itself or something
plugged into a daughtercard thats causing the trouble
I guess it could also be a flat cable short (5V to GND)
Thank you Peter. Now I have someplace to look. Guess what I do tomorrow?
Dave
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Peter Wallace
Mesa Electronics
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