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Author Topic: One channel not working  (Read 1508 times)

Offline Bogususer

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One channel not working
« on: December 04, 2010, »
Evening all,

Just finished my 15th Express (Version 5) and channel 14 does not come on.  The led does not light, and there is not any voltage at the output terminals.  I have swapped the opto with another channel, swapped the pic with a working Express, and redone all of the solder joints for this channel and am stumped.  

Ideas?

Paul
« Last Edit: December 05, 2010, by Bogususer »
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Offline tbone321

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Re: One channel not working
« Reply #1 on: December 05, 2010, »
You should post some pics of the board so that we can see what is going on.
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Offline Bogususer

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Re: One channel not working
« Reply #2 on: December 05, 2010, »
As requested
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Offline KeithTarpley

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Re: One channel not working
« Reply #3 on: December 05, 2010, »
Greetings,,,

Is the led in correctly?

Did you check the pic socket pin?

Gotta be something simple.

Keith
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Offline RJ

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Re: One channel not working
« Reply #4 on: December 05, 2010, »
Likely a backwards or bad led on that channel. Does the led light during the test?

RJ
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Offline Bogususer

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Re: One channel not working
« Reply #5 on: December 05, 2010, »
The led doesn't light at all, during testing or otherwise.

Paul
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Offline rrowan

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Re: One channel not working
« Reply #6 on: December 05, 2010, »
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The led doesn't light at all, during testing or otherwise.

Paul

Replace the LED

Rick R.
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Warning SOME assembly required

Offline RJ

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Re: One channel not working
« Reply #7 on: December 05, 2010, »
Replace the Led being sure it is in the correct orientation.

RJ
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Offline Bogususer

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Re: One channel not working
« Reply #8 on: December 05, 2010, »
Thanks, guys.  I'll give that a try as soon as I can, and will let you know.

Paul
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