Load Shave problem with my XW6848+ Inverter. Please help

paulcheung

Good evening guys.,

Something happen to my XW6848+ two days ago. The Load Shave function no longer work. Sunday We have 6 error message on the grid support XW4848+. AI over Frequency for 6 times during the day. after that I can't get the Load Shave feature to work. I have installed this system for one year now since Last year February. It was work perfectly for the whole year. now it stop work. I still can sell to the grid and during the sun shining hours It still use solar power to supply my house load and draw some current from the grid if the clouds pass by. but in the evening it just pass through the grid power to supply the load, only if I turn off the breaker from the grid it use the battery to power the load. 

Any one know what is going on? I turn off and on the inverter few times still the same. I don't want to reset to factory setting as my inverter come with 60Hz by default I have to pay someone to program it to 50Hz in order to work with my grid. I don't know if I reset it to factory settings would changed back to 60cycles and I won't to able to change it as I don't have the configuration tools. 

Does any one know what cause the problem?

Thanks in advance

BB.

Have you measured the AC line frequency?

Some units require configuration changes to be manually "saved" after the values have been updated. Rebooting the inverter would bring back the "last saved" configuration.

Have you gone through the menus and see if the 50 Hz +/- X Hz settings are correct?

-Bll

paulcheung

Yes the AC is fine. it sync with the inverter and I can sell back to the grid and supply the load with the grid and the solar power the same time. the load shave working up to last Sunday. Thanks

DickyDck

Hi there, I just had something similar happen to mine. Did you get this fixed, if so what was the issue?

Dave Angelini

List all of the settings.

One of the nice reasons to have the conext gateway is Schneider or someone like me can see your settings. The screen below allows me access to each site and each device at the site. You guys do run SPD's on your grid input to XW right?
Surges can glitch up some settings and can also come in on solar if you are in a lightning area.

DickyDck

IT guys like me have made the ComBox publically accessible but this Conext Gateway thing, it is much prettier than the ComBox I may have to look into this, how much are they retail?

DickyDck

As for the SDP, I myself didn't install the system so I suspect in my system there is not, but I do not know. I see nothing outside of major components. Inverter, PDP, 2 CCs, solar panels, combiner box.

paulcheung

DickyDck said:

Hi there, I just had something similar happen to mine. Did you get this fixed, if so what was the issue?

No I did't try to reset the system to factory settings as my XW+ is programmed to work with 50Hz. The XW+ come default with 60Hz. I don't have the tool to re-program it. the Load Shave is not working, but the grid support is working, when the sun is shining they share the load or the grid just draw a small portion to keep sync when the panel manage all the load and charge the battery banks.

DickyDck

Is the programming tool available for consumers to purchase? I would imagine it would need some sort of special training to work anyway, or some kind of special access to use it properly.

paulcheung

Yes. it call configuration tool from Schneider. it cost about $700 USD. it goes into the core to program the cycles and other stuff only installer need to do.
one online store sell it for $495 USD. it call schneider conext configuration tool. may be the sponsor of this site sell it too?

            

paulcheung

Yes they sell it too. the price came down since last time I look for it.
https://www.solar-electric.com/search/?q=SCHNEIDER+CONEXT+CONFIGURATION+TOOL

DickyDck

seems like you would need this if you ever factory reset your system since you are running at 50hz. or maybe that Conext Gateway thing that Dave was referring to above. I think there was a setting in my Combox that allows for changing this too, but can't remember since I leave most things at default other than grid support things and charging settings.

paulcheung

No, Combox can't change the cycle the XW+ operates, It is in the firmware with other things that user don't have business with. I don't think Gateway can do it neither as Gateway is accessible with internet and regular user.

mcgivor

paulcheung said:

No, Combox can't change the cycle the XW+ operates, It is in the firmware with other things that user don't have business with. I don't think Gateway can do it neither as Gateway is accessible with internet and regular user.

The frequency can be changed between 50 & 60 Hz with a SCP and Combox  in advanced features on the SW 230V series, I would expect the XW is the same, on single phase 230V units at very least.  

DickyDck

seems there are high\low settings in the XW6848+ NA model, not sure if that is the right setting but it seems you could control it there.

mcgivor

Further research reveals that even the split phase NA version of the XW series has the option of 50 or 60 Hz, the settings would be in advanced features if everything is the same as the SW.

DickyDck

so if this is the case which seems like it is, Paul you can get a combox for less than a config tool and it also allows for web browser access to monitor your solar system

paulcheung

Unless they change the firmware lately. XW+ can't change the cycle it operate from 60Hz to 50Hz. with Combox or SPC. my installers try their best to find a way to do it but they has to pay the one who invested with the configuration tool to do it. believe me, we tried. 

mcgivor

Further queries revealed you are in fact correct, the XW needs a configuration tool, unlike the SW 

DickyDck

here you go

https://www.ebay.com/itm/183904131347?ul_noapp=true

just need the Serial to RJ45 and it should server the same purpose, in theory....