Unidrive M200 / M201 Control User Guide 5Issue Number: 212 Diagnostics ........................................12912.1 Status modes (Keypad and LED status) ...........12912.2 Trip indications ..................................................12912.3 Identifying a trip / trip source .............................12912.4 Trips, Sub-trip numbers ....................................13012.5 Internal / Hardware trips ....................................15012.6 Alarm indications ...............................................15012.7 Status indications ..............................................15112.8 Displaying the trip history ..................................15112.9 Behaviour of the drive when tripped .................15213 UL Listing ...........................................15313.1 UL file reference ................................................15313.2 Option modules, kits and accessories ..............15313.3 Enclosure ratings ..............................................15313.4 Mounting ...........................................................15313.5 Environment ......................................................15313.6 Electrical Installation .........................................15313.7 Motor overload protection and thermalmemory retention ..............................................15313.8 External Class 2 supply ....................................15313.9 Modular Drive Systems .....................................15313.10 Requirement for Transient Surge Suppression .154