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All Gen 2 machines I have come across have brake switches . I would be surprised if there are any that didn't .

it depends on the speed and load , all of gen2comfort which comes from Spain with 1m/s and loads up to 630kg comes without brake switches

Ah ok , all of the ones I have worked on in the last ten years have been 350 f.p.m which all have brake switches and most have had faults on those brake switches at one point or another ! Do they use the Spanish machines much in the states ? I seem to remember when they used the Spanish machines in the U.K going back 15 years or so there was a lot of issues with the brakes ?

Ok guys here are the fault logs
Mcss
2000
2001
2002
2003 0001 330997
2201 0001 330998
2414 0027 002880
2610 0005 233173
2700 005 233175
2703
2704

Ocss
1000
1001
1002
1004
1101
1104
1201
1202
1500
1501
1502
1504
1505

Dbss
913
900
303
304
401

Manual reset is the button I hit to reset it

Ok , without running through everything , the first bunch on the mcss are power failure / resets/ comms errors etc.. That you would expect to see after a power on reset. The ones of interest are
2700 ( not ready to run -brake dropped )
2703 ( drive fault )
2704 ( stop and shutdown message )

From here you need to look at the drive faults ,the one you're interested in is
401 ( brake SAS )
Basically means the brake switch(s) is in an unexpected condition , either your brake picked and the switches didn't or the brake dropped and the switches never changed state .

Either way sounds like brake switches . Quite a common fault on Gen 2 ( in my experience anyway ) the older machines Otis used to sell a brake switch replacement kit and it was a relative easy fix which worked well . On the newer machines I have only come across it once ( on an optimized 3.2 T machine ) I removed the rubber cover and cleaned out some dust and crap left over from construction and the fault went away .

The only thing throwing me is why always the top floor ? Unless maybe you are overshooting onto the limit forcing the brake do drop while the drive still ramped up and showing up as a drive fault ?

Manual reset by the way I believe replaced the CPU and UCM resets from the older controllers.

Ok thanks pie. I cleared all the faults. I will inspect break switch and report back next time it shuts down.

I'm pretty sure the car is level at the top floor each time
Next time I will make sure of that.

How are you clearing faults? Hope your doing it with tool and clearing PF RAM.. M-1-5-1.

I cleared the ocss n mcss by goin into the logs n hitting blue 5 enter. The dbss was cleared thru an option in the dbss menu. I'm using the tool. I don't know if PF ram was cleared. I will see next time.

Ck your Bp relay an the little gray brake driver relays that mount on din rail marked xyz or something like that

I totally agree with pieman the problem is with the fault
401

you have to check brake switches


can you tell which drive is installed?