Maintaining and repairing the device
To maintain high system availability, we recommend the preventative replacement of those
PC components that are subject to wear in accordance with the intervals for replacement
indicated in the table below.
CMOS backup battery
Carrying out repairs
Only qualified personnel are permitted to repair the device.
Unauthorized opening and improper repairs on the device may result in substantial damage
to equipment or endanger the user.
• Always disconnect the power plug before you open the device.
• Only install system expansion devices designed for this device. If you install other
If you install or exchange system expansions and damage your device, the warranty
Electrostatic sensitive devices (ESD)
The device contains electronic components which are destroyed by electrostatic charges.
This can result in malfunctions and damage to the machine or plant.
Make sure you take precautionary measures even when you open the device, for example,
when opening device doors, device covers or the housing cover. For more information,
refer to the chapter "ESD Guideline (Page 90)"
Operating Instructions, 11/2016, A5E35782395-AB
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 be installed.