[RE-wrenches] Odd behavior of XW60

[Mark Edmunds]

Hi Darryl,

I think Jon is on the right track here, contact tech support and they
should be able to get this sorted out for you.

Toll-Free Technical Support: 1-800-670-0707 Monday to Friday 5:30am to
5:00pm (PST)


Cheers,

Mark


Mark Edmunds
Director Engineering
Residential Renewable Energy Products
Xantrex Technology Inc.
mark.edmunds at xantrex.com


On Apr 1, 2009, at 7:21 AM, Darryl Thayer wrote:

>
> Hi all
> I have noticed an Odd behavior on my XW60 ( the charge controller  
> for the XW inverter series). It will on occasion spend all day as a  
> PWM only and not go into MPPT mode.  It will sometimes start up on  
> a 102 Voc string at 0.6 volts above battery voltage, and stay there  
> (ie take 24.6 battery and stay at a module string voltage of 25.3  
> volts all day.  If I disconnect the array or the battery, and  
> reconnect it will go into MPPT most of the time, and the string  
> input to controller is at 70 volts .  it is like it locks up into a  
> diode, and wastes a lot of energy.
> Darryl
>