Labomed PRIMA Pro User Manual page 55

29. TROUBLESHOOTING TABLE
Problem
No Illumination
Insufficient illumination
Inoperative surgical field
illumination
Insufficient illumination
(continued)
Up and down motion of the
suspension system is stiff
Stand is unstable
No image is visible in the field
of view
6182001-795
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
Light guide not properly inserted
in arm of microscope
Brightness level set too low
Light guide not properly inserted
in arm of microscope
Defective light guide
(illumination not uniform)
Inoperative surgical field
illumination
Failure of electronics
Switch off via limit switch on
suspension arm system
The thermal cut-off in the lamp
house is contaminated
Defective fan; failure of system
electronics
The friction adjustment screw on
the suspension system is
tightened too firmly
The brakes on the wheel are not
in use
Magnichanger is not indexed
properly
Prima Pro
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
Insert the light guide properly to get
maximum illumination
Adjust brightness control knob
Insert the light guide properly to get
maximum illumination
Change the light guide
Insert the light guide as far as it will
go
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
Contact the service department
Loosen the friction adjustment
screw on the suspension system as
needed
Engage the brakes
Index magnichanger properly
Issue 1.0
Printed on Jan, 2024