Here are the messages and scanner readings, if this might help understand what is happening:

Messages
After starting engine = “roof not locked”
After pushing up or down button = “roof failure see manual”
After holding down button for 30 seconds = “roof failure service required”

Scanner, CRM - convertible roof module

Read DTC = no DTCs

Read Datastream
Hydraulic pump temp = low
Hydraulic pump = stopped
Valve 1 =closed
Valve 2 = closed
Valve 3 = closed
Valve 4 = closed
Catch motor = unlocked
Supply voltage = 14.1
Button open roof = button not pressed (while pushing button = button pressed)
Button close roof = button not pressed (while pushing button = button pressed)
Button load aid = button not pressed
Auto up window lifts = normal operation
Messages in DIM = 14 (when pressing either button = 13)
Position = roof opening preparations (when pressing either button = no match)
Head lamp washer = normal operation (when either button pushed = inhibited)
Speed limitations km/h = 2 km/h
Speed limitations mph = 1.24 mph
Ambient temp = 27
Hall sensor 1 = passive
Hall sensor 5 = passive
Hall sensor 3 = passive
Hall sensor 6 = passive
Hall sensor 7 = passive
Hall sensor 19 = passive
Hall sensor 9 = passive
Hall sensor 20 = Active
Hall sensor 11 = passive
Hall sensor 12 = Active
Hall sensor 13 = passive
Hall sensor 18 = Active
Hall sensor 15 = passive
Hall sensor 16 = Active
Position encoder2, rear roof = intermediate 1
Position encoder 17, front roof = intermediate 2
No. of roof manoeuverings = 417
No. of electrical overrides = 7