Anyone know how to troubleshoot a Solar panel

Started by peternap, May 07, 2011, 04:24:16 PM

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peternap

May 07, 2011, 04:24:16 PM
I have some old, cheap, Harbor Freight Solar Panels that I move around to spot charge the tracttor or other things.
Two have stopped charging.

The Diodes seem fine. No contunity one way but good flow the other.

Does anyone know what else to look for. I'm getting zero voltage out of them.
These here is God's finest scupturings! And there ain't no laws for the brave ones! And there ain't no asylums for the crazy ones! And there ain't no churches, except for this right here!

StinkerBell

#1
May 07, 2011, 05:10:27 PM
Any chance you bought the extended warranty?  ;D

peternap

#2
May 07, 2011, 05:28:10 PM
Quote from: StinkerBell on May 07, 2011, 05:10:27 PM
Any chance you bought the extended warranty?  ;D

Not on them and they're over five years old anyway.
These here is God's finest scupturings! And there ain't no laws for the brave ones! And there ain't no asylums for the crazy ones! And there ain't no churches, except for this right here!

glenn kangiser

#3
May 07, 2011, 11:05:00 PM
Thin film on glass I think.  About all I can think of is the obvious things - cracks in solder strips - etc.  Not much help am I?
"Always work from the general to the specific." J. Raabe

Glenn's Underground Cabin  http://countryplans.com/smf/index.php?topic=151.0

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peternap

#4
May 08, 2011, 07:06:36 AM
Quote from: glenn kangiser on May 07, 2011, 11:05:00 PM
Thin film on glass I think.  About all I can think of is the obvious things - cracks in solder strips - etc.  Not much help am I?

That's about what Google said. I'll pull them apart this week and see what's going on in there. Not sure why though. I still have four sets of 3 that I haven't even opened.
These here is God's finest scupturings! And there ain't no laws for the brave ones! And there ain't no asylums for the crazy ones! And there ain't no churches, except for this right here!

Windpower

#5
May 08, 2011, 06:12:46 PM

any voltage if the diode is taken out ?

   
Often, our ignorance is not as great as our reluctance to act on what we know.

peternap

#6
May 08, 2011, 06:17:16 PM
Haven't tried yet. That's first on the list tomorrow. I figure it's either that or a burned connection.
These here is God's finest scupturings! And there ain't no laws for the brave ones! And there ain't no asylums for the crazy ones! And there ain't no churches, except for this right here!
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