Iss

From memory. Updating the double was done from the monitoring website. It was a hyperlink under the Inverter info. 

Finally received a new firmware. I am seeing the battery go into standby mode see screenshots. Solar is still providing to the load. 

Here is the firmware : https://drive.google.com/file/d/1XFeZBEfKaXHCVBjgOuDSKhve3fnwJald/view?usp=drivesdk

https://drive.google.com/file/d/1XFeZBEfKaXHCVBjgOuDSKhve3fnwJald/view?usp=drivesdk

Finally received a new firmware. I am seeing the battery go into standby mode see screenshots. Solar is still providing to the load. 

Finally received a new firmware. I am seeing the battery go into standby mode see screenshots. Solar is still providing to the load. 

Hi JoeyhZA,
I received a communication bored update to fix my issue. See url.
note: I’ve noticed when internet is loss for hours. The data is stored on the inverter board. It than will upload the info when back online.
https://drive.google.com/drive/folders/1FeaTkreHW_ljcqB38nYbbgzeeWVEJHxX?usp=sharing
contact Support you use this software at your own risk. 
currently I’m working on:
model:SPF 5000TL HVM-P
Firmware Version:500.09/002.03/null
good luck!
 

Check the model number: SPF5000TL HVM-P does not have a CAN port. It has the BMS & RS485.
The solution I posted is for the SPF5000TL HVM-P. 

Growatt can't get their firmware right so now they're blaming the batteries. It's not the batteries, other better inverters work fine with the same batteries based on anecdotal evidence. 
The firmware version numbers from Growatt are all over the place. I gave up trying to figure out which is version is the "most recent" or "correct". 
I have a firmware update pack that I've been giving to anybody who asks, that sorts out the original 4/20 BMS comms failures, as detailed by me in the very first post in this forum thread. 
That update will get BMS comms working properly over an RS485 cable but there are still issues related to Solar and input being turned on and off inappropriately which the SA Growatt community have been fighting for months. 
For a straight forward battery backup solution using the grid to charge the batteries and with NO solar connected, the firmware I offer is perfect. 
If you have Solar it doesn't look like there is any hope. Growatt can't get it right and it looks their inverters actually just aren't all that good. They work with solar, but the implementation is basic and non optimal. 
For Solar I would suggest getting rid of the Growatt and buying a Sunsynk or maybe Deye instead. The Sunsynk are very good. 
If you want the firmware I have, PM me.