January 3, 20224 yr I had 2 x 3000Pylontech batteries working well with my 5 KVa Mercer inveter. I have added 2 more 3000c batteries. I now have an Error 4 issue each time I switch to USB or SOL in program 1 even though all four batteries are fully charged. Can anyone suggest a solution
January 3, 20224 yr https://powerforum.co.za/topic/4839-axpert-error-04-with-pylontech-batteries/ check link above. Hope this helps and you come right Edited January 3, 20224 yr by Quwatush Shams (Suly)
January 4, 20224 yr Thank you for the reference. I have checked my settings and confirmed Program 12 is 48, Program 13 is 52 and Program 29 is 46. But the Error 4 and beeping continues. I would be grateful for any further suggestions to resolve.
January 4, 20224 yr You may need to update the new 3000C battery BMS to enable it to work with the older 3000X..There are many threads with the relevant details.
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