TROUBLESHOOTING GUIDE
12
21
Observation
Cause
Remedy
1. Uneven brightness in observation The objective is not engaged in the Engage the objective into position
field light path until the nose turret clicks
The condenser is too low Raise up to achieve more light (Pg#18)
The objective, eyepiece, condenser Clean them thoroughly as previously
and/or window lens are dirty prescribed in “Optical Cleaning”(pg#4)
2. Dust or stains are visible in The eyepiece, condenser, window lens Clean glass parts thoroughly with lens
observation field and/or specimen glass is dirty tissue and cleaning solution
prescribed in“Optical Cleaning”(Pg#4)
3. Glare visible in field of View The condenser is too low Raise condenser light
The condenser iris diaphragm ring is Adjust the aperture according to the
closed objective magnification (Pg# 18)
4. Observation image is hazy The objective is not engaged in the Engage the objective into position
or unclear light path until it clicks (Pg# 18)
The objective, eyepiece, condenser Clean glass parts thoroughly with lens
and/or specimen glass is dirty tissue and cleaning cloth
Immersion oil is not used with an Use immersion oil as
immersion objective. suggested (Pg# 19)
Bubbles are present in immersion oil Remove the bubbles by agitation
(Pg# 19)
The specified immersion oil is not used Use the immersion oil supplied by
LABOMED
5. Part of image is defocused The objective is not properly engaged Engage the objective into position
in the light path until the nose turret clicks
The specimen is not set properly on Set the specimen correctly on the
the stage stage and secure using the specimen
holder (Pg# 15)
6. Coarse focus adjustment cannot The condenser is too low Raise the condenser
lower the stage low enough
7. Fields of view through both The interpupillary distance is not Adjust IPD to the appropriate setting
eyepieces is inconsistent adjusted properly (Pg# 17)
Dioptric compensation for the two eyes Adjust diopter settings (Pg# 17)
is not set
The left and right eyepieces are of Ensure that both eyepieces are of
different magnification are of same magnification. LABOMED
does not recommend using third party
eyepieces in conjunction with
LABOMED eyepieces.
Under certain conditions, performance of the unit may be adversely affected by factors other than defects. If problems occur,
please review the following list and take corrective action as needed. If problem persists, please contact LABOMED or your
local LABOMED dealer.