SIMATIC Box PC 627 
Operating Instructions, Release 05/2006, A5E00362052-03 
11-1 
Maintenance and service 
11
11.1  11.1 Removing and installing hardware components 
11.1.1  Repairs 
Carrying out repairs 
Only authorized personnel are permitted to repair the device.  
 
 
Warning 
Unauthorized opening and improper repairs on the device may result in substantial damage 
to equipment or endanger the user. 
 
•  Before you open the device, first switch it off and then disconnect the power plug. 
•  Install only system expansion devices designed for this computer. If you install other 
expansion devices, you may damage the system or violate the safety requirements and 
regulations on RF suppression. Contact your technical support team or your sales outlet 
to find out which system upgrades are suitable for installation. 
If you install or exchange system expansions and damage your device, the warranty 
becomes void.  
 
 
Notice 
Note the ESD instructions. 
Limitation of Liability  
All technical specifications and licenses apply only to expansions approved by SIEMENS.  
No liability can be accepted for impairment of functions caused by the use of devices and 
components of other manufacturers.