Maintenance
87
Maintenance
What this chapter contains
This chapter contains preventive maintenance instructions, and a description of the
LEDs of the drive.
Safety instructions
Only a qualified electrician is allowed to perform the maintenance.
Before starting work on the drive system,
• isolate the drive system from the main supply
• open the switch-disconnectors and lock them out in the open position
• switch off any voltages connected to the I/O terminals
• wait for 5 minutes to let the intermediate circuit capacitors discharge
• ensure there is no dangerous voltage present by measuring the voltage on the
input, I/O and intermediate circuit terminals.
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