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dannypomp
 Post subject: Xantrex inverter problem
PostPosted: Fri Jan 14, 2011 6:05 pm GMT EthGMT 
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Fish Eggs
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Joined: Fri Jan 14, 2011 5:22 pm GMT EthGMT
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I have an Xantrex GT3.0-NA-DS-240.
The lifetime unit number read 15777 one month and then the next month the lifetime for the unit read 436. I lost 15,481 kw in the reading some how. Any ideas why this might have happened?
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mike90045
 Post subject: Re: Xantrex inverter problem
PostPosted: Mon Jan 17, 2011 11:57 am GMT EthGMT 
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Guppy
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Joined: Fri Aug 04, 2006 10:24 am GMT EthGMT
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You created 99984658 KW is all. finally rolled over the counter.

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Solar Guppy
 Post subject: Re: Xantrex inverter problem
PostPosted: Mon Jan 17, 2011 3:44 pm GMT EthGMT 
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Red Cobra Delta Guppy
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Joined: Sun Jun 02, 2002 1:01 am GMT EndGMT
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Was it SG-View or the actual inverter that rolled over?

16777216 is 2 to the 24th power, sounds like a variable is only 24bits and rolled over
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dannypomp
 Post subject: Re: Xantrex inverter problem
PostPosted: Wed Jan 19, 2011 8:16 am GMT EthGMT 
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Fish Eggs
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Joined: Fri Jan 14, 2011 5:22 pm GMT EthGMT
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The actual inverter rolled over or changed the number. This inverter is one of three for a 9.86K system. Is there any way to see what the each inverter readings are in the SG-View software? I noticed that one is shown with the system totals what about the other two? I also have a 16K system with 5 inverters, which are Magnetek. I use the Aurora Communicator software which shows each inverter and the system totals. Thanks for your help.
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Solar Guppy
 Post subject: Re: Xantrex inverter problem
PostPosted: Wed Jan 19, 2011 9:07 am GMT EthGMT 
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Red Cobra Delta Guppy
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You need one to one monitoring to get the unit kWh reported, only the combined kWr is reported by the single unit. I believe Xantrex now has the SCP to Xanbus connect are retrieve information.

Sounds like a Xantrex bug, you can upgrade the firmware via RS232, contact Xantrex via there 800 number to get more information
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