Technical data

122 Maintenance / Further information
G-30-1346-en S8 Floor Stand Issue 4.0
Printed on 05. 06. 2001
Trouble-shooting table
• This instrument is a high-grade technological product. To ensure opti-
mum performance and safe working order of the instrument, its safety
must be checked once every 12 months. We recommend having this
check performed by our service representative as part of regular main-
tenance work.
If a failure occurs which you cannot correct using the trouble-shooting
table, attach a sign to the instrument stating it is out of order and con-
tact our service representative.
Problem Possible cause Remedy See
No function at all. Line power failure. Contact in-house electri-
cian.
-
Power switch of the stand
not pressed.
Press power switch. -
Circuit breaker in power
switch of the stand acti-
vated.
Press power switch again. -
No surgical field illumination
at the microscope.
Thermal cut-out activated. First correct the cause of
overheating. For example,
drapes could be covering
the ventilation slots. When
the lamp module has cooled
down, the illumination
switches on again.
-
Selector is adjusted in such
a way that illumination can
be switched on using the
foot control panel.
Switch on illumination using
the foot control panel (key A
or B).
-
Failure of stand electronics. Illuminate surgical field
using an OR illuminator.
Contact service dept.
-
Yellow indicator lamp in dis-
play field blinks.
Main lamp and backup lamp
defective.
Change lamp or use backup
lamp module.
-