I hate these kinds of problems. Valve? Relays? Switch tree?
Eliminate one group at a time, and it is a pain. Sometimes the shotgun gets it, sometimes it don’t.
UP1&2
DN 1&2
TMS
HW1,2&3
Door linkage
TSL wires
Bad starter coil
Clogged up level adjuster screen
And of course, clipped locks or bad contacts HW or Gate.
Make sure your door tracks are ramp free.
Clear your error log and you’ll know the next ones are accurate next time in.