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Preventive Maintenance
3ADW000488R0101 DCS880 Service manual e a
Preventive maintenance checklist for DCS880
Type of drive:
Frame size:
Serial number:
Year of initial startup:
Last inspection:
Drive name:
Inspection
cycle
H
1 … H
5
H6
H7
H8
1. Environment
1.1 Checking the environment.
yearly
1.2 Documentation checked and available.
yearly
1.3 Checking the spare parts.
yearly
2. Maintenance with no voltage applied
2.1 Cleaning with ESD vacuum cleaner and/or soft brushes:
Converter and cabinet.
yearly
Air inlet and outlet filters (replace/clean if IP54 or if needed).
yearly
Fins of fan.
yearly
Heat sinks.
yearly
2.2 Relays & connections:
Inspect relays/contacts for proper functionality.
3 years
Inspect electrical connections for tightness.
3 years
Inspect for proper grounding.
yearly
Inspect for corrosion.
yearly
Inspect tightness of stacks (torque indicating spring).
yearly
Inspect tightness of heatsink terminals (25 Nm required).
yearly
Inspect connection of fiber optical cables.
3 years
Inspect connection of flat cables.
6 years
3. Maintenance with main supply voltage applied
Create parameter backup.
yearly
Test cooling air pressure switch.
yearly
Check level of all connected voltages.
yearly
Inspect condition of fans (check that all fans are operational).
yearly