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Fault:
The image goes out of focus.
Eyepieces not seated properly.
Cause 1:
The dioptric correction is not set correctly.
Cause 2:
Fault:
Zoom cannot be adjusted electrically.
The zoom motor has failed.
Cause 1:
Fault:
Undesirable reflections.
The sterile drape produces stray reflections.
Cause 1:
Fault:
The surgical microscope can either not be moved, or only with great physical effort.
A cable is sticking.
Cause 1:
Cause 2:
The transport lock is not released.
A brake is not released.
Cause 3:
13.3 Control unit
Fault:
The display does not show an image.
Loose cable on the control unit.
Cause 2:
The display is defective.
Cause 3:
M844 / Ref. 10 713 294 / Version 01
Fault remedy:
C heck the seating of the eyepieces and screw them in all
X
the way if necessary.
Fault remedy:
C arry out the dioptric correction by following the
X
instructions exactly (see chapter 7.4.1).
Fault remedy:
Push and turn the zoom rotary knob to adjust the zoom
X
manually (see chapter 6.2).
Fault remedy:
Clamp the objective cover of the sterile drape to the
X
objective with the cover tilted slightly forwards.
Fault remedy:
Reroute the affected cable.
X
Fault remedy:
Release the transport lock (see chapter 7.11.3).
X
Fault remedy:
Contact your Leica Microsystems representative.
X
Fault remedy:
Check to ensure that the cable connections are tight.
X
Fault remedy:
Contact your Leica Microsystems representative.
X
You can still work with your Leica Microsystems surgical
X
microscope. All functions can still be operated using the
footswitch.
What to do if ...?
67
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