15
4 Replacing Assembly Units
4.6 Replacing the Power Supply Unit
Danger!
Risk of death via electric shock!
Before opening the housing cover, disconnect the device from the mains supply and wait at least one
minute until the power supply unit has discharged.
1
2
1
1
1
3
4
Figure 10 Replacing the power supply unit
1. Dismount the PCB CPU 4.5 on page 14.
2. Unplug the cables from the connectors (3,4).
3. Loosen 4 screws (1) and remove the power supply unit (2).
4. Insert the new power supply unit an x it with the screws (1).
5. Connect the cables at the connectors (3,4).
6. Re-mount the PCB CPU 4.5 on page 14.
7. Mount the rear cover.
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