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14

Optical

Problem

Possible Cause

Vignetting or uneven brightness in the field of view or
field of view only partially visible

Lamp not installed properly
Lamp not centred

Diffuser is in intermediate position

Condenser not mounted correctly
Condenser is not centred

Condenser is set too low
Condenser top lens not fully swing in/out (Swing-out condenser)

Field diaphragm closed too far

Aperture diaphragm closed too far
Improper condenser objective combination

Revolving nosepiece not clicked into position

Trinocular eyepiece tube optical path selector lever in intermediate position

Dust or dirt in the field of view

Aperture diaphragm closed too far

Condenser is set too low

Dust or dirt on specimen surface

Dust or dirt on field lens, filter, condenser or eyepiece

Poor image
(low contrast or resolution)

Condenser is set too low

Aperture diaphragm closed too far
No cover glass

Too thick or thin cover glass

Immersion oil not used on immersion procedure

Air bubbles in immersion oil

Specified immersion oil used not used

Immersion oil on dry objective

Greasy residue on eye lens

Incorrect illumination

Unequal focus

Stage installed on inclined plane

Specimen holder not fixed securely on stage
Specimen not secured in position

Image tinged yellow

Lamp voltage is set too low
Blue filter is not being used

Focusing is not possible with high magnification objectives

Slide is upside down
Cover glass is too thick

High magnification objectives strike the specimen when
changing over from low to high magnification

Slide is upside down
Cover glass is too thick
Eyepiece diopter not adjusted

7. Troubleshooting Table 

As you use your microscope, you may occasionally experience 
a problem.
The troubleshooting table below contains the majority of fre-
quently encountered problems and the possible causes.

Summary of Contents for 1100100401483

Page 1: ...Motic Incorporation Ltd UL Listed Product E250223 Instruction Manual English...

Page 2: ...ements of modern research techniques and testing methods This involves modification to the mechanical structure and optical design of our instruments Therefore all descriptions and illustrations in th...

Page 3: ...he light reaching the objective originates from the periphery of the specimen and enters the optical system at oblique angles moving forward diagonally but still in parallel bundles toward the tube le...

Page 4: ......

Page 5: ...4 1 Coarse and fine focusing 4 2 Coarse focus torque adjustment 4 3 Coarse focus Knob lock 4 4 Optical path change over slider 4 5 Interpupillary distance adjustment 4 6 Diopter adjustment 4 7 Center...

Page 6: ...is travel knob Stage Y Axis travel knob Objective Binocular eyepiece tube Eyepiece Diopter adjustment ring Eyepiece lock screw Stage Condenser focus knob Coarse focus torque adjustment ring Fine focus...

Page 7: ...scale Condenser centering screws Specimen Holder Condenser clamp screw Photo port Optical Path Changeover lever Trinocular eyepiece tube Eyepiece tube Clamp Screw Power switch Brightness control knob...

Page 8: ...er to prevent electric shock always turn the power switch on the power supply off before connecting the power cord Electrical Specifications a Halogen Input 90 240V 80VA 50 60Hz Lamp 6V 30W Halogen Fu...

Page 9: ...t board is located behind the back cover plate 3 Disconnect the LED connection cables from the power sup ply printed circuit board 4 Loosen LED board locating ring take away LED board locat ing ring 5...

Page 10: ...dless of whether it is new or nearing the end of its life b LED This is the first 3W microscopic illumination system with a global patent for long life adjustable high intensity heat gen eration and e...

Page 11: ...while holding the other Turning the coarse and fine focus knobs further than their limit 4 2 Coarse Focus Torque Adjustment To increase the torque turn the torque adjustment ring located behind the le...

Page 12: ...E or Fuchsin stained specimen with tungsten type film 4 5 Interpupillary Distance Adjustment Before adjusting the interpupillary distance bring a specimen into focus using the 10x objective Adjust the...

Page 13: ...the front of the objective The immersion oil supplied by Motic is synthetic non fluo rescing and non resining oil with a refractive index of 1 515 Normally cover glass must be used with oil immersion...

Page 14: ...lution Condenser is set too low Aperture diaphragm closed too far No cover glass Too thick or thin cover glass Immersion oil not used on immersion procedure Air bubbles in immersion oil Specified imme...

Page 15: ...amp near end of service life Lamp not securely plugged into socket Problem Possible Cause Insufficient parfocality of objectives Eyepiece diopter not adjusted No cohesion of binocular image Magnificat...

Page 16: ...dirt dampen a piece of gauze with diluted neu tral detergent and wipe lightly C Disinfecting the Microscope Follow the standard procedures for your laboratory D When not in use When not in use cover t...

Page 17: ...l Mig 112 08349 Cabrera de Mar Barcelona Spain Tel 34 93 756 6286 Fax 34 93 756 6287 Motic Deutschland GmbH GERMANY Christian Kremp Strasse 11 D 35578 Wetzlar Germany Tel 49 6441 210 010 Fax 49 6441 2...

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