20
STEINDORFF
®
6.2.
Mechanical Part
PROBLEM
REASON FOR PROBLEM
SOLUTION
The coarse focus knob is hard
to run
The tension adjustment collar is too tight
Loose properly
Pre-focusing lever is locked.
Release pre-focusing lever.
Stage drifts down by itself or
focus is lost during observation.
Tension adjustment ring is too loose.
Tighten ring to an optimum tightness
Specimen cannot be brought
into focus.
Stage height adjustment is too low.
Raise stage holder height.
Image shifts when you touch
stage
Stage is not properly mounted.
Clamp stage.
Specimen do not moving
fluently
The slider holder do not fixed sufficiently.
Fix it sufficiently
Field of view of one eye does
not match that of the other.
Interpupillary distance is incorrect.
Adjust it again.
The eyes overtire
Incorrect diopter adjustment.
Adjust diopter correctly
Brightness uncomfortable.
Adjust the bulb voltage
6.3.
Electric Part
PROBLEM
REASON FOR PROBLEM
SOLUTION
The lamp can’t light
No power supply
Check the power cord, and connect them
exactly
The installation of the bulb is wrong
Install the bulb correctly
The bulb burn out
Change a new bulb
The connection of lamp housing power plug is
incorrect.
Connect again follow the instructions
The power opened incorrectly.
Press it to the appointed positon follow the
instructions
The bulb burn out in a high
frequency
Not using the specified lamp
Use the required lamp
The height of the brightness is
not enough
Not using the appointed lamp
Use the appointed lamp
The light glimpse
The bulb is going to spoil
Change the bulb
The power cord have a poor contact
Check the power cord, and connect them
exactly