Zeiss S88 Instructions For Use Manual page 148

148
Problem
Surgical field illumination on
microscope not working.
Problem
No imge display.
Displayed message
"NO SIGNAL"
Image is not centered.
G-30-1426-en
Maintenance / Further information
Xenon illumination system
Possible cause
Thermal cut-out activated.
Selector is set in such a way
that illumination can be
switched on using the foot
control panel.
Defective xenon lamp.
Lamp module has no con-
tact.
Failure of stand electronics. Illuminate
Video monitor
Possible cause
Main switch is switched off.
Power cable not correctly
plugged in.
No signal source
nected.
No camera connected.
Connected video cable is
defective.
A signal source is present
on the VGA port, and no au-
tomatic image adjustment
has been performed.
S88 Floor Stand with Lifting Column
Remedy
Remove the cause of over-
heating. Make sure that
drapes do not cover the
grid. When the lamp module
has cooled down, the illumi-
nation switches on again.
Switch on illumination using
the foot control panel (key A
or B).
Switch to backup lamp.
Keep a new xenon backup
lamp module ready at hand.
Insert lamp module as far as
it will go.
surgical
using an OR illuminator.
Contact service dept.
Remedy
Switch on the main switch.
Plug in the power cable.
con- Connect a signal source.
Connect a camera.
Connect an intact video
cable.
Perform automatic image
adjustment.
See
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page 58
Issue 9.0
Printed on 28. 01. 2009