Instructions for use SOM 62/32/22 LED
SOM 62/32/22 LED EN 2017-03
28
15
When faults occur
The device works extremely reliably when used as intended. Should faults occur nevertheless,
please follow the instructions in Section 15.1.
15.1
Summary of potential faults
Fault
Cause
Fault Rectification
No microscope lighting
Mains switch in OFF position
Move the switch to "ON"
Mains switch of lighting unit
in OFF position
Move the switch to "ON"
Mains cable not connected to
socket
Plug in the cable
LED defective
Send in the lighting unit
No voltage supply to the
lighting unit
Set the contacts correctly via the plug
connectors
In-house power supply outage Have the electrical installation checked
System cannot be positioned with
the foot rollers or can only be
moved with high level of exertion
One of more brakes applied
Disengage the brake
Rollers dirty
Clean the rollers
Roller defective
Have the roller replaced by Service
Floating arm can only be tilted with
difficulty, or not at all
Brake too tight
Loosen the brake from the star knob
Floating arm drops slowly
Pressure spring defective
Have the floating arm corrected by
Service
Load too high
Align the pre-tension or replace the
spring arm
Swivel arm can only be moved with
difficulty, or not at all
Brake too tight
Loosen the brake from the star knob
Microscope head can only be moved
with difficulty, or not at all
Brake too tight
Loosen the brake from the star knob
Only one optical channel visible
through the lens tube
View not set correctly to the
eye distance
Adjust the view (eye distance)
Vignetting visible in image
Changer to intermediate
position
Use the knob to set the changer to the
magnification
required
until
the
position engages noticeably
Uneven focus in right and left views
Incorrect dioptre setting
Adjust the dioptre as per the
instructions
Image foggy
Eyepieces or lens dirty
Clean the lens as per the instructions
Dirt in image
Eyepieces, lens or light guide
dirty
Clean the lens as per the instructions
Sudden drop in light power
The lighting is overheated
Switch the device off. Clean the
ventilation openings of the lighting
unit with a slightly moist cloth. Notify
the manufacturer if the fault still
occurs.