Magna
MAGNA
27. TROUBLESHOOTING TABLE
Problem
Possible Cause
Remedy
6129000-795
Issue 1.7
Printed on May,2020
54
No illumination
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
Light guide not properly inserted
in arm of microscope
Defective light guide (illumination
not uniform)
Change the light guide
Insert the light guide properly to
get maximum illumination
Inoperative surgical field
illumination
Inoperative surgical field
illumination
Insufficient illumination
(Continued)
Up and down motion of the
suspension system is stiff
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 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
Contact the service department
The friction adjustment screw on
the suspension system is
tightened too firmly
Loosen the friction adjustment
screw on the suspension system
as needed
Power switch in OFF position
Power cable not plugged in
Contact the service department
