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We have 2 Multi 24/5000 in parallel. I´m getting many Error 5 alerts (and shutdowns). They last app. 30 sec and the system goes up again. They usually happen when the generator starts automatically. We are on the 3 to 7,5 kW consumption range.
At first, I checked the AC Out wires(4mm2) for having the same length (which they didn´t, made them same length -1m-) but did not solve the situation.
Any idea?
Error 5 is overvoltage as you might have seen. First make sure the wiring is 100% symatrical. (the shorter the cabling the more critical it is to have the cabling symatrical).
Beside this, if there is anything connected on ACout which generates power (like a pv inverter) is switched/regulated
Your generator is stabile enough to supply the correct voltage?, please have this tested first (or try with another AC source)
When the AC voltage has that much variation also under consumption peaks you might have a look at the wiring as that's not what is expected. Also on the battery side, the battery is also powerful enough to have the DC voltage remain stabile? ( for 400A discharge you would need 1500-2000Ah batteries normally i would say , with 70-90mm2 to each unit)
