Checking The Isolating Clearances; Checking Hoisting Solenoids And Security Bolts; Checking The Plug Connections - Siemens SINAMICS GL150 Operating Instructions & Installation Instructions

Maintenance
9.4 Preventive maintenance
NOTICE
Damage due to contamination and dirt
Contamination and dirt can damage the device.
● Visually inspect the equipment at least once per year. For more information, please refer
● Dust deposits inside the cabinet unit must be removed at regular intervals (or at least once
Note
The actual intervals at which maintenance procedures are to be performed depend on the
environmental and operating conditions. Define maintenance intervals that reflect your plant-
specific environmental and operating conditions and meet your availability requirements. When
doing so, take the prescribed maintenance intervals into consideration, as well as the
instructions for repairing and replacing installed components.
9.4.1.2

Checking the isolating clearances

● Slight, dry, non-conducting contamination is permitted.
● Remove contamination caused by dust in conjunction with high humidity.
See also
Cleaning (Page 113)
9.4.1.3

Checking hoisting solenoids and security bolts

● Check the hoisting solenoids and security bolts at regular intervals.
● Replace defective hoisting solenoids and security bolts before (re)commissioning.
9.4.1.4

Checking the plug connections.

Regularly check the plug connections to ensure they are seated correctly and the contacts are
not corroded.
Note
The fiber-optic cables for the gating boards must be properly inserted in the connectors.
106
to the section "Visual inspections".
a year) by qualified personnel in line with the relevant safety regulations.
SINAMICS GL150 6SL38502UM114PA0Z
Operating Instructions Rev.201910281441 EXAMPLE