Repair work at electric and electronic components
1.
Disconnect the unit from the power supply and remove the housing cover of the lower front
(chap. 5.1).
2.
Pull the electric mounting plate with the options out of the machine room (chap. 8.5).
3.
Remove the connector blocks from the corresponding mTRON module and pull the module off the top
hat rail.
4.
Open the module by unlocking the bottom plate (A) with a suitable tool (e.g. small slotted screwdriver)
at the four marked positions (Figure 43).
5.
Remove the bottom plate (A) and pull the boards (B) out of the housing (D) (Figure 44).
6.
Pull the storage board (C) out of its base and place it into the new module at the same location.
7.
Assemble the new module by following steps 4 to 6 in reverse order.
A
A
Bottom plate
Figure 43: Removing the bottom plate from the mTRON module
A
Bottom plate
B
Boards
C
Storage board
D
Housing
B
C
D
A
Figure 44: Replacing the storage board with mTRON module
Service Manual KBF (E5.2) 04-2015
87