30
Prima ENT/DNT
TROUBLESHOOTING TABLE
19
Problem
Possible Cause
Remedy
No illumination
Power cable not plugged in
Plug in power cable
Power switch in OFF position
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
Contact the service
department
Light guide not properly
inserted in arm or microscope
Insert the light guide
properly to get maximum
illumination
Insufficient illumination
Brightness level set too low
Adjust the brightness
control knob
Light guide not properly
inserted in arm of
microscope
Insert the light guide
properly to get maximum
illumination
Defective light guide
(illumination not uniform)
Change the light guide
Inoperative surgical
field illumination
Inoperative surgical field
illumination
Insert the light guide as far
as it will go
Failure of electronics
Illuminate the surgical
field using an alternate
illuminator, and contact the
service department
Switch off via microswitch on
suspension system
Move the suspension arm of
the suspension system into
the working position
