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Disposal
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Leica M220 F12 / Ref. 10 716 922 / Version 03
11 Disposal
The respective applicable national laws must be observed for disposal of the products, with the involvement of corresponding disposal
companies. The unit packaging is to be recycled.
12 What to do if ...?
If electrically operated functions do not work properly,
always check these points first:
• Is the main power switch switched on?
• Is the power cable connected correctly?
• Are all connecting cables attached correctly?
12.1 General malfunctions
Malfunction
Possible cause
Remedy
The swing arm raises or lowers by itself.
The swing arm is not correctly balanced.
X
Balance the swing arm (see chapter 7.10).
The swing arm lowers even when the balance
scale is set to its highest level.
The total weight of the microscope and
accessories is too high.
X
Reduce the total weight.
Gas spring is defective.
X
Have the gas spring replaced by Leica
Microsystems Service.
The microscope cannot be moved or moved only
with a great deal of effort.
Articulation brakes set too tightly.
X
Loosen the articulation brakes (see
chapter 7.1).
The functions cannot be actuated via the
footswitch
The cable connection has loosened.
X
Check the power cable.
X
Check the footswitch connection.
Footswitch defective
X
Carry out diagnostics according to
chapter 10.7.
X
In the event of a defect, contact Leica
Microsystems service.
12.2 Microscope
Malfunction
Possible cause
Remedy
The image goes out of focus.
Eyepieces not seated properly.
X
Screw the eyepieces all the way on.
Diopters not set correctly.
X
Perform dioptric correction exactly as
specified in the instructions.
Unwanted reflections.
The objective cover is not installed correctly on
the sterile drape.
X
Clamp the objective cover of the sterile drape
to the objective with the cover tilted slightly
forwards.
Image is cut off.
The filter holder is not inserted correctly.
X
Press the filter holder completely into the
optics carrier.
Focus movement is too slow.
Speed set too low.
X
Adjust the speed using the potentiometer on
the footswitch (see chapter 8.1).
XY movement is too slow.
Speed set too low.
X
Adjust the speed using the potentiometer on
the footswitch (see chapter 8.1).