20. TROUBLESHOOTING TABLE
PROBLEM
No illumination at all
Insufficient illumination
Inoperative surgical field
Illumination
Up and down motion of screw on
suspension system is too stiff
Microscope Unstable
No image is visible in the
field of view
6210000-795
POSSIBLE CAUSE
Power cable not plugged in
Power switch in OFF position
Defective instrument fuse
Defective power cable
Line power failure
Failure of suspension system
Electronics
Brightness level set too low
Failure of electronics
Switch off via limit switch on
suspension arm system
The thermal cut-off in the lamp
housing is contaminated
Defective fan; failure of system
electronics
The friction adjustment screw on
the suspension system is
tightened too firmly
Brakes on wheels not used
Magnichanger is not indexed
properly
Prima Mµ
REMEDY
Plug in power cable
Press the power switch to ON
position
Change the fuse
Change the power cable
Contact in-house technician
Contact the service department
Adjust brightness control
knob
Illuminate the surgical field using
an alternate illuminator,and
contact the service department
Move the suspension system
into the working position
Clean the thermal cut-off with a
dry brush or blow it clean, with
compressed air
Illuminate the surgical field using
an alternate illuminator,and
contact the service department
Loosen the friction adjustment
screw on the suspension system
as needed
Use Brakes
Index magnichanger properly
Issue 1.6
Printed on Jan.,2021
Prima Mµ
23
Need help?
Do you have a question about the PRIMA Mm and is the answer not in the manual?