Maintenance
FlexibleAutomation
7−3
7 Maintenance
7.1 Buffer Battery Replacement
The buffer battery should be replaced in the following cases with the
CL300 controller is switched on:
D After one year of operating time.
D When the special marker SM31.1 Preventive battery fault indica
tion" is set.
D When the Battery Fault" LED lights after the controller is switched
on. If this is the case, data loss may already have occurred.
To prevent this, we recommend to always keep a buffer battery in stock.
Procedure Buffer battery replacement is to be made as described in paragraph
4.1.5.
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