[RE-wrenches] Tech Support Issues with Sensata

[drake.chamberlin at redwoodalliance.org]

We had one Magnum PAE 4048 have the frequency go high. It would not AC
couple. When checking the frequency, it was out of range for the on grid
inverters. 

So far, my tech support experience with Sensata has been good. The
equipment I've installed has been problematic. I like the PAE system,
but the inverters keep coming back off the wall. 

Drake 

Athens Electric

---

On 2023-05-31 13:50, Ray Walters via RE-wrenches wrote:

> 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 
>> H_802-728-3059 
>> 
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