Preventive Maintenance; Replacing The Backup Battery - Siemens SIMATIC HMI IPC677C Operating Instructions Manual

Service and maintenance
11.8 Removing and installing hardware components
● Always disconnect the power connector before you open the device.
● Install only system expansions which are designed for this computer. The installation of
If you install or exchange system expansions and damage your device, the warranty
becomes void.
Note
Observe the ESD instructions (Page 260).
Disclaimer of liability
All technical data and approvals apply only to expansion units which are released by
SIEMENS.
Siemens disclaims any liability for impairment of functions caused by the use of third-party
devices or components.
Tools
You can perform all installation tasks on the device using Torx T6, T10, T15 and T20
screwdrivers.
11.8.2

Preventive maintenance

To maintain high system availability, we recommend the preventative replacement of those
PC components that are subject to wear. The table below indicates the intervals for this
replacement.
Component
HDD
Fan
CMOS backup battery
11.8.3

Replacing the Backup Battery

Note
Batteries are wearing parts and should be replaced every 5 years to ensure proper
functioning of the PC.
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other expansions can damage the system and violate the radio-interference suppression
regulations. Contact Technical Support or your local sales department to find out which
system expansions are suitable for installation.
Replacement interval:
3 years
3 years
5 years
Operating Instructions, 04/2013, A5E02722710-04
SIMATIC HMI IPC677C