Siemens SINAMICS G150 Operating Instructions Manual page 639

Note
Time for replacing the battery
The battery must be replaced within one minute to ensure that no AOP settings are lost.
Figure 11-14 Replacing the backup battery for the cabinet operator panel
Note
Battery disposal
The battery must be disposed of in accordance with the applicable country-specific
guidelines and regulations.
Converter cabinet units
Operating Instructions, 07/2016, A5E03347396A
Maintenance and servicing
11.4 Replacing components
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