If you need a main control board, I may be able to assist with that. Have you confirmed that the issue is with the main control board?

What voltage are getting on the DC input on the Mini Split?

Is it possible to get (RS-274-X, BOM, pick&place file) so i can have PCBway to build me a new circuit board as of right now that seems to be my on...

Whoops. Flexboss inverter, not 18 kPV if it makes a difference ...

When the power interruption issue happens with us, the "Warning 28" comes up.

The "Load" disconnect breaker on the 12000xp is 100 Amp. AWG of the wire connecting to that breaker must be capable of carrying 100 Amps. I believe t...

You may have a problem if the generator's "THD" (Total Harmonic Distortion) is more than 5%. The inverter will reject the power if it fluctuates. C...

@krzysiek_kta @scottmr808 Is there any downside or damage to the 12000xp equipment by operating in the "Lead Acid" mode to bypass this glitch?

Also confirmation... I never had this problem with a 6000xp and 1 wall mount outdoor battery—glitches began when we installed the INDOOR battery in th...