9.4.2
Checklist for preventive maintenance work
Table 9-1
General checklist for preventive maintenance work
Maintenance
Carried out by:
Frequency
Comments
Clean the cabinet (exterior).
Owner
As required
Visual inspection, clean if re‐
quired.
Clean the cabinet (interior).
Siemens
service per‐
sonnel
Annually
Visual inspection, clean if re‐
quired.
Check the external connections.
Owner
After one year, and ev‐
ery four years there‐
after
Inspecting the cable clamps and
screw terminals.
Check the internal connections.
Siemens
service per‐
sonnel
After one year, and ev‐
ery four years there‐
after
Perform inspection and visual in‐
spection.
Siemens
service per‐
sonnel
Annually
See the specifications in the Op‐
erating Instructions.
Check the cooling system.
Owner
After 30,000 operating
hours
See the specifications in the Op‐
erating Instructions.
Check the spare parts.
Siemens
service per‐
sonnel
Annually
If necessary reorder spare parts.
Table 9-2
Control Module: Checklist for preventive maintenance work
Maintenance
Carried out by:
Frequency
Comments
Replace the UPS battery.
Owner
Siemens
service per‐
sonnel
When the relevant
message is output.
Relevant for option L53
Check the software.
Siemens
service per‐
sonnel
After every parameter
modification, and ev‐
ery five years there‐
after
Test the insulation.
Siemens
service per‐
sonnel
Every two years
"Bender insulation" test mode
Maintenance
9.4 Preventive maintenance
SINAMICS PERFECT HARMONY GH150 6SL38253AE412AA1-Z
108
Operating Instructions Rev.201910281231 EXAMPLE