Growatt Firmware version. Error message 04 and 20

[Fatboy]

Hi

Can you advise what your current firmware version is. We had loadshedding on Thursday evening and inverter was working well for about 1:50 minutes until I switched on the kettle and immediately the inverter tripped and displayed error message 04 and 20. 

 Since then, the inverter is displaying the error message even after few reboots. Had to change my settings 05 from Li to Use. 

I suspect the problem might have to do with commutation error maybe resulting in inverters firmware version. 

Edited January 16, 2021 by Fatboy
Change of name

[yare]

Hi,
I have the same problem. How did you solve it?

[Fatboy]

 

17 minutes ago, yare said:

Hi,
I have the same problem. How did you solve it?

17 minutes ago, yare said:

Hi,
I have the same problem. How did you solve it?

hi, the problem was the original cable which was no longer communicating with the battery. i had to build another cable using new config.

[zsde]

That error message means no BMS comms possible. The original report is over 2 years old and he has the 5000TL HVM Inverter which has different firmware than the 5000ES. 
It could be caused amongst others by a bad LAN cable connection, non matching pin outs on the RJ45 connectors, incorrect Li protocol or perhaps even a battery firmware update that was done and now needs an updated firmware for the Inverter.
 

[yare]

The batteries had different firmware.

I have made an update to the firmware to make it the same on all batteries.

[Tsa]

1 minute ago, yare said:

The batteries had different firmware.

I have made an update to the firmware to make it the same on all batteries.

How did you check/update the firmware? 

[yare]

Here is...

Firmwareupdate Pylontech US2000C_3000C V3_0.zip