Service and maintenance
11.8 Removing and installing hardware components
SIMATIC HMI IPC677C
142
Operating Instructions, 04/2013, A5E02722710-04
How to remove the power supply module
4 Detach the power plug
①
from the
power supply module.
6 Lift out the power supply module.
11.8.5
Installing / removing the bus board
Preparation
1.
Isolate the device from mains and disconnect all connection cables.
2.
Removing the bus board
How to remove the bus board
1 Remove all modules from the slots.
2 Lift out the drive bay module for hard disks and the DVD burner.
3 Loosen the screws
①
and remove
the power supply cover.
4 Remove the power supply.