[RE-wrenches] Tech Support Issues with Sensata

[Ray Walters]

What were the issues?  I've not seen a Magnum have power quality 
troubles, but they are not the "grid" either.  My experience is that 
they are similar or a bit better than Outback, but certainly have 
measurable THD in the 4 to 5% range.  Its almost always finicky loads, 
and the inverter has always been within its tolerances, so I doubt you 
have an actual warranty issue. However, I have seen inverter output get 
strange after lightning damage, which is not covered under warranty either.

You need a decent meter that can measure THD, and can capture the peak 
voltage of the waveform.  A good oscilloscope is even better, so you can 
see the waveform.

Stuff like clocks not keeping time, or certain digital controls on 
certain appliances not functioning, is not a warranty claim. Lights 
dimming, or LEDs flickering is not a warranty claim.  These are normal 
living off grid, and the only thing better than a Magnum for power 
quality is Exeltech in my experience.

Ray Walters
Remote Solar

On 5/31/2023 11:37 AM, Chris Sparadeo via RE-wrenches wrote:
> Hi all,
>
> I have a client with a Magnum MS 4024- PAE inverter. There are some 
> serious issues with power output quality and according to the client, 
> another installer had started the RMA process while the inverter was 
> still under warranty, however Sensata has not been responsive and has 
> lost track of the case. They are asking for a new case to be 
> initiated, but the inverter is now out of warranty. Has anyone out 
> there had similar lack luster support issues with Sensata?
>
> Best,
>
> Chris
> -- 
> Chris Sparadeo
>
>
> C_802-369-4458
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