In my experience Err 2 is indeed the PGM reporting a problem with the PV motor, presumably it's either not gettiing a message back or it's unhappy about something else.

Take care, I got an Err 2 and got a fried PGMIV about 5 mins running time later (PV motor knackered, PGM couldn't move PV's, PGM fried itself trying).

The 30 odd second pause before the Err 2 comes on happens even if the PV motor is knackered and the PV side of the PGM is fried, so just push the card in, don't start it and see if it Err 2's in 30 seconds anyway, if it does, try and get hold of a known good PV motor and start praying to whichever God (or god) you believe in.
If it doesn't I'd think something must be physically wrong, probably either the PV motor is shot, the cables are too tight or adjusted badly.

After all, if it was fine before you ripped it down and now it's not you have done something wrong
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