I have an Endura MRL unit that jumps to INIT SHDN immediately when trying to run in either direction. It logs a 5299 fault that I can't find anywhere. Remote FAST shows this fault being related to either the BVSM input or BVSMT output. I found BVSM and it appears to be fed from the Bucher valve. Oddly, the elevator does seem to run when it's away from either floor (manual lowered it until NTST went low). I believe it will also level into a floor after cycling power. If power is cycled the unit boots up and will show Automatic, but as soon as it tries running (even on inspection) it faults out. Any idea what can be done to fix this issue?