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120 Maintenance
Replacing the cooling fan in front of the circuit board compartment
(frames R10 and R11)
WARNING! Obey the instructions in chapter
ignore them, injury or death, or damage to the equipment can occur.
1. Stop the drive and do the steps in section
16
before you start the work.
2. Remove the shroud in front of the module.
3. Remove the swing-out frame and hang it at point number 3.
4. Unplug the wiring terminal of the fan.
5. Unplug the connection terminal of ZCU.
6. Unplug the control box PE terminal.
7. Undo the mounting screws of the fan mounting plate.
8. Take out the fan mounting plate.
Safety
Precautions before electrical work
2
2
instructions. If you
on page
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