JDAVIES94

Based on what I've witnessed over the past couple cloudy days I would consider this 95% fixed. It still sits at around 100v longer than I would say is perfect. However it does get going much quicker without missing out on too much power. I would say that over the course of the day I'm loosing no more than 2-300wh. Not sure if this fix can be translated into the 8kw model but that is beyond my scope of knowledge.

This unlabelled firmware is actually 57.61 for Axpert Max 1 with '2809 DSP. It's in the 8 kW firmware thread, but it's definitely 11 kW firmware.
[ Edit: dsp.hex is dated 13/Jan/2023 ]
 

No, the update I supplied is for the 11kw max 1 ONLY

Hello columb the older firmware 57.60 the only difference I found is that it would stick at 115v instead of 90v which it did on the original firmware it was shipped with. 
After looking at it for a couple days although I think it may be a little too early to tell still it does seem much improved. It stayed at 100v until midday yesterday but it was extremely dark and miserable. Besides there was only 0.5a so not a huge amount to gain. Once the sun did start to come out it shot up to around 290v and stayed there pretty much without fault for a few hours until the sun started leave my panels. See photo 1
Today, bit of odd behaviour on mppt1 regarding amps comparing it to mppt2 but I shall continue to monitor and get back, like I said a bit too early to judge. Photo 2
 

Finally got a response with the attached zip file. The initial zip suggests that they've sent 57.60 for me to flash to. Haven't tested yet as I don't want to then be locked to the modern flasher. Also not sure if this fixes the issue as of yet. Should I flash?
 
I've removed the step by step as this took me over the 3mb limit.
Reflash.zip