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72 UCM Fault
Unintended Car Movement UCM is detected. This er-
ror is created if the car leaves the door zone with open
doors. This error is stationary and must be cleared man-
ually. Check ML1 and ML2 switches and related magnet
positions. Check also the UCM device connections and
settings.
Cause
Troubleshooting
1. Press M7-U1 enter to reset this fault and find the reason of the
fault. This error usually appears during test procedure for the
UCM fault.
2. If this error appeared then check if a move happened to the
cabin with the doors opened.
3. Check the ML1 or ML2 pencil switches condition.
TIP: Check electrical drawings pages 3-12-13