Service and maintenance
11.8 Removing and installing hardware components
SIMATIC HMI IPC677C
Operating Instructions, 04/2013, A5E02722710-04
147
How to remove the fan
2 Loosen the four screws
①
on the
enclosure.
3 Remove the fan from the enclosure.
Installing the fan
Note
Always install a fan of the same type!
Fan mounting position
The diagram shows the correct
mounting position of the fan.
Pay attention to the direction of the
arrow on the fan enclosure!
11.8.9
Processor replacement
Operation of the CPU is not possible.
As the processor is soldered on the motherboard, it has to be completely replaced. Please
observe the information in Section Installing / removing the motherboard (Page 143).