ABB ACS880-307LC, Hardware Manual

Page: 62 / 106

￭ Safety function validation
Action
Validate the operation of safety functions (for example, emergency stop).
WARNING!
The safety functions are not safe before they are validated according to the instructions.
See the function-specific manual for the validation tasks.
Safety functions are optional. See the function-specific manual for the validation tasks.
￭ On-load checks
Action
Make sure that the cooling operates properly (no overtemperature related warnings or faults).
Switching the supply unit off
1. Stop the motors connected to inverter units. See the inverter unit hardware and firmware
manuals.
2. Turn the operating switch [S21] to the OFF (0) position to deactivate the Run enable
signal and to switch off the main disconnecting device (main breaker [Q1]).
ENABLE / RUN
0-1
Disconnecting and temporary grounding the drive
See Electrical safety precautions (page 36) .
62 Start-up