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I have 2 multiplus12/3000 in parrelell even though only one shows up in the device list (GUESSING THAT'S HOW IT SHOULD BE) so I have 6k of power but when the ac kicks in sometimes on heating mode more it trips the inverters to overload the ac is only 2.7k on heating it happens at least twice a day I did see when I set it up there were a lot of adjustments in parameters just wondering if there is something to give a better buffer for start up
Have you correctly balanced the two inverters? Can you send a diagram of the inverter wiring?
Exactly like this
I would look at the DC side of your system. You did not state the capacity of your battery bank or the wire sizes between the batteries and the Mutliplus's. All air conditioning devices have an inrush current that can be quite a bit higher than their steady state current draw. I suspect that your battery bank has a large voltage drop when dealing with the inrush current, which causes the amperage to rise to the point that the Multiplus's shutdown on a current overload.
Since I don't have detailed information, the above is just a suggestion.
Pat
1000ah battery bank and2/00 gauge to each inverter same length cable 600mm long
Oh forgot to say have shore power plugged in also and set to 14a input
FYI log images 
Yes the two inverters show up as one if paralleled.
As others have written: check if the batteries don't drop too low (measure at inverter input terminals, VRM log is not accurate enough), if that is not the issue then you'll need an heat pump with better soft-start capabilities or a bigger inverter.
Shore power connected: check this also, if due to high starting peak the shore power drops too low, the inverter can disconnect from grid.
