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Repair and maintenance
8.2 Periodic Maintenance
It needs to perform periodic inspection on the drive once every three to six months
according to the application environment and work conditions.
Inspection
Item
content
Main circuit
terminal
PE terminal
Control circuit
terminal
Internal wiring
and connectors
Drive
Expansion card
connector
Mounting screws
Cleaning the dusts
and powders
Internal foreign
objects
Motor
Insulation test
8.3 Component Replacement
Different types of components have different service span. The service spans of the
components are subject to the environment and application conditions. Better
working environment may prolong the service lives of the components. The cooling
fan and electrolytic capacitor are vulnerable components and shall be conducted
routine inspection as per the table below. If any fault occurs, please conduct
immediate replacement
SINAMICS V50 converter
78
Operating Instructions, 04/2022, FW V1.0, A5E44777205B AB
Inspection method
Screwdriver/sleeve
Screwdriver/sleeve
Screwdriver
Screwdriver and
hands
Screwdriver and
hands
Screwdriver/sleeve
Cleaner
Visual check
500VDC
megohmmeter
Inspection criteria
The screws are tightened and
the cables are kept well.
The screws are tightened and
the cables are kept well.
The screws are tightened and
the cables are kept well.
Connection is firm and
reliable.
Connection is firm and
reliable.
The screws are tightened.
There are no dusts and
wools.
There are no foreign objects.
Normal
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