Leica Microsystems M320 - What to Do if; Microscope

What to do if ... ?
52 M320 Ref. 10734261 / Version 03 M320 Ref. 10734261 / Version 03 53
12 What to do if ... ?
12.1 Microscope
Problem Solution Location
Swing arm moves up/down by itself.
Balance system/swing arm. See 7.14, "Balancing the swing arm"
Swing arm is lowered when the
articulation brakes are engaged.
Reduce the total weight (at the optics carrier).
Tighten the brake knob for locking the vertical position.
See 7.14, "Balancing the swing arm"
Microscope moves with difficulty or
not at all.
Loosen/reset the articulation brakes. See 5.5, "Brake knobs/articulation brakes"
No light.
Check/replace lamp.
Check illumination control and illuminance.
Check the filter and diaphragm control.
Lower the swing arm, the tilt switch may be active.
Check the socket and fuse.
Contact service technician.
Instructions for replacing the LED
Insufficient light.
Check illumination control and illuminance. See 8.4, "Adjusting the illumination"
Image is not sharp.
Screw in eyepieces firmly.
Set the parfocality and diopter settings correctly.
See 7.10, "Eyepieces"
Microscope tilting.
Balance system/swing arm.
Tighten the articulation brakes.
See 7.14, "Balancing the swing arm"
Interference from light reflections.
Turn the protective glass, must be at an oblique angle
relative to the work surface.
Streaks in the image.
Clean optics.
No image.
Magnification control not engaged.
Beep every 5 seconds, light
switchesoff automatically after
five minutes.
Contact service technician, have fan replaced.
Double beep every 5seconds,
lightswitches off automatically
after 5minutes.
Allow the LED to cool off, switch off the instrument.