SIMATIC IPC427D
Operating Instructions, 05/2017, A5E31347215-AB
81
Device maintenance and repair
7
7.1
Maintenance
To maintain high system availability, we recommend that you replace PC components that
are subject to wear, at the intervals for replacement indicated in the table below.
Component
Replacement interval
Hard disk drive
3 years
CMOS backup battery
4 years
7.2
Repair information
Making repairs
Install only system expansions approved for this device. If you install other expansion
devices, you may damage the device or violate the safety requirements and regulations on
RF suppression. Contact your technical support team or where you purchased your PC to
find out which system expansion devices may safely be installed.
WARNING
Opening the device
Unauthorized opening and improper repairs on the device may result in substantial damage
to equipment or endanger the user. If you install or replace a system expansion and
damage your device, the warranty will become void.
The device may only be repaired by qualified personnel.
Safety when working in and on electrical systems
Work in or on electrical systems may only be carried out by authorized persons. The
following safety regulations apply in Germany for the prevention of electric shock and
electrocution:
1.
Switch off the system
2.
Secure the system to prevent it switching back on
3.
Check the system to ensure it is de-energized
4.
Ground and short the system
5.
Cover or shield adjacent live parts
