| 126 | 6 Repair | CARDIOHELP System |
Service Manual | 3.3 | EN | 05
Copyright Maquet Cardiopulmonary GmbH
19 Assemble the battery housing (⇨ "Assemble Battery Housing", page 117).
20 Close the device (⇨ "Closing the Device", page 110).
21 Carry out a complete inspection (⇨ "Inspection", page 33).
u Power supply unit replaced.
u Inspection after repair has been carried out.
6.17 Replacing Rotary Encoder
Requirements
Service training part 2
CAUTION!
ESD-sensitive components
To prevent damage to ESD-sensitive components, an ESD-protected environment must be set up.
WARNING!
To finish the task, the following step must be carried out in order to ensure error-free use.
n Carrying out the inspection (⇨ "Inspection", page 33).
Rotary encoder
1 Remove the rotary knob (⇨ "Replacing the Rotary Knob", page 102).
2 Open the device (⇨ "Opening the Device", page 108).
3 Remove the battery housing (⇨ "Removing Battery Housing",
page 116).
Battery housing
4 Remove the backlight inverter (⇨ "Replacing Backlight Inverter", page 118).
5 Remove HMI PCB (⇨ "Replacing HMI PCB", page 119).
6 Unscrew the hex nut.
Rotary encoder
7 Remove the rotary encoder.
8 Remove silicon and clean the surface.
9 Replace the rotary encoder.
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