ZEISS Start-Up and Operation Primovert
48 415510-7244-001 12/2014
Problem Cause Remedy
Image focus is unstable. Adjusted torque of coarse focusing
drive is too low.
Increase the torque of the coarse
focusing drive to make motion stiffer.
The fluorescence light source
doesn't lighten on.
Fluorescence light source or circuit
board is defective.
Contact service person for further
checking. If necessary, change LED
source or PCB.
Replacement requires special tools and
can thus not be carried out by the
customer.
Greenish background when
working in fluorescent
illumination mode.
The yellow filter is not inserted.
The transmitted LED phosphor
generates fluorescent background.
Insert filter slider with yellow filter
(which is a part of the standard delivery)
whenever changing to fluorescence
mode.
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