February 19, 20251 yr Hi all I just woke up to find my inverter showing F 12 and I have no idea what is wrong
February 19, 20251 yr 22 minutes ago, jason compo said: Hi all I just woke up to find my inverter showing F 12 and I have no idea what is wrong Hiya, you will have to submit all the details and specs around your setup for someone to be able to determine a possible answer.
February 19, 20251 yr 39 minutes ago, jason compo said: Hi all I just woke up to find my inverter showing F 12 and I have no idea what is wrong According to your picture it seems like the detachable screen on Voltronic MkIII or Voltronic MKIII clone(RCT comes to mind). F12 indicate DC to DC overcurrent that could be caused by a hardware problem or it could be caused by the current firmware version. What is your main UI firmware version? In short excess current flowing from or to the battery and detected by the interrupter curcuit.
February 19, 20251 yr Author I am only using one of the MPPT I have change the string from the combiner box to the other MPPT and it is working fine. I will have to take it in for repair
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