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Esmart3 nuissances
(06-23-2019, 02:28 AM)ajw22 Wrote: Maybe changing the bias will allow you to change the left values again.  Or maybe it'll screw it up even more.

 Lol hahaha you made me laugh. At this point I am going to wait to see what the people from Easun have to say about it. They may come out with a solution. Up until now I have only messed with that value and it is set to cero now. I prefer to not mess with anything else and keep records of what I have done so far.

 Yours may be a good point though.

 Thanks everyone.
No good news 4 the time being. Easun, the seller, says the manufacturer confirmed there is no fix once the data has been deleted. So I contacted the manufacturer a 1 1/2 days ago. No news from them just yet.

It has to be a way, it simply makes no sence. Even if it needs to be re flashed with the same firmware...

Will keep this updated.
When I was messing round with it, Same thing happened to me. Disconnecting all of the cables, wait 5 minutes and then connect everything back. Another thing is that, select the voltage manually (12/24/36/48V) and make sure the LOAD is turned ON. If it is off, chances are it will be stuck on Standby Mode. This particular CC has scared me about 3 times already, making me think it had bought the farm, but messing around with the settings, brings it back.
1500W of Residual Thermonuclear Energy Collectors (6X250W 2S)
40A eSmart3 MPPT Controller
Raspberry Pi 3 remote monitoring
BATTERIES, Need Lots of Batteries!
800 18650 (80P10S= 40.0v) 4.1Kw
12Kw Pure Sinewave 36V Inverter
I finally could fix my controller. I sent an email to the ipanda team, used the address found in the App, teeling them exactly what happened. Basiccaly that I screwed it and it was totally my fault. After a week or so of waiting I received today an anwer with a program called "AccessPort.exe" and a very detailed set of instructions and images.

Basically you connect to the controller using their RS485 to USB cable and send a set of values provided by their support team. The whole process only takes 3 minutes and is very straight forward provided you have the right tools and instructions.

Thanks to all who tried to help.
ajw22 likes this post
Did they also tell you the steps to properly calibrate the current sensor?
Modular PowerShelf using 3D printed packs.  30kWh and growing.
(07-18-2019, 10:29 PM)ajw22 Wrote: Did they also tell you the steps to properly calibrate the current sensor?

No. Is there any problem with the current sensor? All I know is thatthere is a voltage difference up to .5 volts in the battery side in the worst cases. Other than that...

 Do you mean voltage sensor instead?
I already calibrated the voltage sensors on all my eSmart3s, and they're all spot on now.

I forgot the exact numbers, but on one of my eSmart3s, the current sensor reads 0 until ca 1 Amp is flowing, reads spot on at around 25 Amps, then starts to read too high above that. Haven't tried to calibrate since I didn't know exactly how/when to set the bias values. And it's not a big issue anyways.
Modular PowerShelf using 3D printed packs.  30kWh and growing.

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