● Any grounding switches that may be present are closed.
● The mushroom pushbutton on the control unit is actuated.
By pressing the mushroom pushbutton, the contactor safety combination, and therefore the
undervoltage protection to the power units, is interrupted. Secure the mushroom pushbutton
so that it cannot be released by attaching a warning plate, for example.
9.4 Preventive maintenance
The purpose of an inspection is to ascertain and evaluate the current status of the equipment.
An inspection mainly comprises visual checks. Inspections should be carried out based on a
schedule that meets the needs of the special ambient conditions at the location of use. The
following servicing and inspection instructions are used as the basis for regular inspection of
the equipment.
Maintenance work Carried out by Frequency Comments
Check the cooling system Operating
company
After 30 000 operating
hours
Check the fans
Clean the outside of the cabi‐
net
Operating
company
As required Visual inspection, clean if
required
Clean the inside of the cabinet Siemens serv‐
ice personnel
Annually Visual inspection, clean if
required
Check power and control con‐
nections
Operating
company
After one year, and ev‐
ery four years thereafter
Check internal connections Siemens serv‐
ice personnel
After one year, and ev‐
ery four years thereafter
Carry out an inspection and
visual check
Siemens serv‐
ice personnel
Annually See the specifications in
the Operating Manual
Check the software Siemens serv‐
ice personnel
After every parameter
modification, and every
five years thereafter
Check spare parts Siemens serv‐
ice personnel
Annually
Check options Siemens serv‐
ice personnel
See the specifications in
the Operating Manual
9.4.1 Visual inspections
9.4.1.1 Equipment for visual inspections
You require the following basic equipment to carry out the visual checks and maintenance work:
● Mirror
● Flashlight
● Torque wrench for tightening screws
Maintenance
9.4 Preventive maintenance
SINAMICS GL150 6SL38503UM114PA0Z
Operating Instructions Rev.201910301420 MUSTER 107
To Next Page
Loading...
