Xantrex GT Series [RE-wrenches]

[Mark Edmunds]

Dear Wrenches;

I wanted to post a note and provide an update to an issue you may have 
heard of regarding GT Series inverters.  
 
We ran into a manufacturing process problem affecting some GT’s made 
from June 1 to September 29th 2006.  In a nutshell, we have found a 
component failure (a capacitor) on the power board.  The failure is 
variable, meaning it does not affect all units.  While the failure is 
benign (no smoke or excitement), this can make the GT erroneously stay 
in “Inverter Off-Line” mode and unfortunately results in the need to 
exchange the inverter.  Inverter Off-Line is normal at night, when PV is 
unavailable, but is not correct when sufficient irradiance is available. 
         
 
What is Xantrex doing about this?

·         We have studied and corrected the manufacturing issue.  The 
correction was phased into manufacturing on October 2, 2006.  In 
addition, all new UL-2005 compliant inverter models are completely 
unaffected.  This includes the new GT2.8, GT3.3N, GT4.0N, and GT5.  

·         For dealers who encounter this problem we are increasing our 
installer fee to $250 to swap an inverter and we will ship any 
replacement requests using expedited shipping.  We will also issue a 
call tag to ensure that Xantrex covers all shipping costs.  

 
We have studied this failure mode and have determined it does not affect 
all GT’s made during the identified time period.  However, the resulting 
failure rate will admittedly be higher than what we normally expect.  
Xantrex is not recommending any immediate action, other than to advise 
that Xantrex has identified and corrected the issue, and will support 
installers with an increased service fee to deal with any resulting 
product exchanges.

We apologize for the manufacturing error and will do everything possible 
to make any resulting product exchanges as simple as possible.  I also 
want to point out that despite this issue we increased our standard 
warranty to 10 years in February of this year.  
  
For more information we have posted a tech bulletin on our website at 
the following URL:

http://www.xantrex.com/web/id/172/p/docs/pt/2/product.asp


Thanks

Mark Edmunds
Xantrex Technology Inc.


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