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PowerWise 28115G04 Charger Troubleshooting!

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PowerWise 28115G04 Charger Troubleshooting!

Postby clevguy » Mon Jul 27, 2009 2:25 pm

I'm troubleshooting my charger and I started with no buzz,no charging. I found the 50 amp fuse blown and bypasssed the black board I now have a buzz. I don't know how to test the diodes for one way voltage. Can anyone help? :(
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Re: PowerWise 28115G04 Charger Troubleshooting!

Postby caddiemaster » Mon Jul 27, 2009 2:57 pm

Hi, you can go to the Lester electrical web site and they have a troubleshooting section with a diode test.

If 50 amp fuse was blown I bet that a diode or both is blown.

The 50 amp fuse being blown is why the relay did not click and try to turn on charger.

Do not replace fuse till you test the diodes.

John
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Re: PowerWise 28115G04 Charger Troubleshooting!

Postby clevguy » Mon Jul 27, 2009 4:10 pm

Thanks John, I will try Lesters website,
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Re: PowerWise 28115G04 Charger Troubleshooting!

Postby clevguy » Mon Jul 27, 2009 7:00 pm

I went to lesters website and followed the instructions to test a diode and found it very helpful and easy using a volt/ohm meter. Yes I have two blown Diodes. They said the most common reason other than a pwr surge is the wiring of the DC cord or recepticle reversed. The receptical was replaced and not really sure how it was origionally wired. They said that the DC power cord is wired with the white lead going to the diode and black lead wired to the transformer of the charger. I noticed that the white lead comming out of the cord was wired to the positive lug of the plug end. Now I'm confused how the DC receptical is to be wired to the batteries. I'm assuming that the receptical is wired with the white lead going to the positive terminal of the battery group and the black lead going to the negative terminal of the battery group. Its a bit tricky to figure out. Can anyone help explain it better. I'm leary of replacing my parts and having the same results. :?
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Re: PowerWise 28115G04 Charger Troubleshooting!

Postby caddiemaster » Tue Jul 28, 2009 11:48 am

Hi, I think I have a schematic for that charger, send me your email and I will forward it.

John
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Re: PowerWise 28115G04 Charger Troubleshooting!

Postby Andy4639 » Tue Jul 28, 2009 9:56 pm

Look for this symbol on the meter you have. Not all meter's have this feature.
Image


This may help you also.


http://images.google.com/imgres?imgurl= ... N%26um%3D1

Check here also
http://my.att.net/p/s/community.dll?ep= ... 274143&ck=

Image

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Image
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Re: PowerWise 28115G04 Charger Troubleshooting!

Postby rjmelec » Tue Aug 21, 2012 12:10 pm

Can anyone tell me where to get a schematic and or troubleshooting guide for the 28115g04 charger? Thanks.
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