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