SW transfer relay [RE-wrenches]

[William Miller]

John:

I believe this is a bug in the software.  There is a firmware upgrade that
is supposed to fix this.

Below the line is the "party line" on this problem:


William Miller

____________________________________


Hi All,

The error messages you are referring to sometimes occur in early GTI 
enabled SW inverters. Thanks to good reporting from the field, our tech 
support crew was able to help engineering duplicate the problem 
in-house. 

As of Rev 4.2 (the GTI enabled version of the SW shipped since Dec ’01) 
a compatibility issue with some generators has been reported. The 
symptom is nuisance inverter shut down/generator disconnect.

We introduced a software improvement that eliminates this issue in 
production SW units earlier this summer. As of today, less than 15 
confirmed cases of this problem have been reported by customers/dealers. 
We have a chip set upgrade that can be field installed for 
customers/dealers who experience this issue.

Because of the different products and revisions used, the words "SW 
Series" were added after Revision 4.2 to help identify the product and 
can also be used to help determine if you have the latest revision of 
the SW inverter.  

As the same symptoms can be caused by several system, set-up or 
programming issues, we request that anyone who suspects they are 
experiencing this issue contact our tech support team for a diagnosis, 
it is most commonly something else, more easily addressed with menu 
settings. If the problem is confirmed we will supply a free chip upgrade 
to fix it.

Xantrex Certified Dealers may, as usual, use their priority Tech Support 
number to get these chip sets where required.

Best,

Pagan

Pagan MacKay
Manager, Dealer Relations
Xantrex Technology Inc.
Email: pagan.mackay at xantrex.com
Website: www.xantrexREdealer.com
t: 360/435.8826 ext 4070
f: 360/435.0926



At 06:44 AM 10/3/02 EDT, you wrote:
>Wrenches,
>   My customer has reported numerous episodes of his SW4024 shutting down 
>with "input relay error" light.  He has to go out to his power shed and turn 
>
>John Blittersdorf
>Central Vermont Solar and Wind




__________________________________________________________________
William Miller
Miller Power and Communications
PO Box 50, Santa Margarita, CA 93453
Voice :805-438-5600		Fax: 805-438-4607	VMail: 805-546-4875
email: wrmiller at slonet.org
http://millerpowerandcomm.com
License No. C-10-773985
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