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).
Operating
company
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.
Operating
company
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 spare parts.
Siemens
service per‐
sonnel
Annually
If necessary reorder spare parts.
Visual inspection of the insulation Operating
company
Annually
Air-air heat exchanger *
Operating
company
As required
Visual inspection, clean if re‐
quired
Check the filter
Operating
company
Every 6 months or cor‐
responding to the con‐
ditions at the installa‐
tion site
According to the information pro‐
vided in Chapter "Replacing the
filter"
Checking the fan bearing lubrica‐
tion
Operating
company
Every 6 months
According to the information pro‐
vided in Chapter "Lubricating the
fan bearings"
* Depending on the cooling version
Table 9-2
Control Module: Checklist for preventive maintenance work
Maintenance
Carried out by:
Frequency
Comments
Replace the UPS battery.
Operating
company
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
Maintenance
9.4 Preventive maintenance
SINAMICS PERFECT HARMONY GH150 6SL3826
Operating Instructions 05/2020
97
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