Zeiss Stemi 508 Mode D'emploi page 42

ZEISS
6.2 Troubleshooting
Description of fault
Stereo microscope illumination
cannot be switched ON.
Vertical reflected-light illumination is
not lit.
Additional reflected-light
illuminators are not lit.
Transmitted-light illuminator does
not light up
Transmitted-light illuminator dirty or
control lever cannot be actuated.
Microscope mount moves down by
itself.
Should any other faults occur or should you have queries regarding troubleshooting, please contact your
regional ZEISS representative.
38
APPENDIX
Troubleshooting
Cause of error
Power supply interrupted.
Power switch not switched ON
Power unit faulty.
Power supply cable RJ 12 not
plugged in.
Power supply cable RJ 12 not
plugged in.
Reflected light not switched ON or
dimmed.
Transmitted light not switched ON
or dimmed.
Transmitted light not connected.
Liquids or foreign matter in the
transmitted-light unit.
Focusing drive too easy to move.
435064-7144-008
Stereo microscope
Troubleshooting
Check or establish connection to
power supply. Switch power switch
on back of stereo microscope ON.
Replacing the power unit, see
Section 5.2.1 on page 32
Insert RJ plug correctly, see
Section 3.3 on page 21
Insert RJ plug correctly, see
Section 3.2 or 3.3 on pages 19 and
21
Press and turn knob Fig. 16/1several
times to switch reflected light ON
and to increase its intensity; see
Section 4.2 on page 26
Press and turn rotary / push-button
Fig. 19/2 to switch illumination ON
and to increase its intensity; see
Section 4.3 on page 29
Open stand K EDU or K LAB and
connect the plug-in connectors of
the LED illumination according to
Section 5.2.2 and 5.2.3 on pages 33
and 34
Open and clean stand K EDU or
K LAB and/or eliminate foreign
matter according to Section 5.2.2
and 5.2.3 on page 33 and 34
Set ease of motion of the focusing
drive, see Section 3.2 on page 19
Stemi 508
09/2017