OCULUS BIOM 5c Instruction Manual page 32

10 Troubleshooting
Error
Unfocused image
Fundus view is too narrow
The eye or the lens reflect strongly
The BIOM® 5 cannot be detached
from the adapter
No function whatsoever when the
combination control unit is actuated
28 / 40
Possible Cause
BIOM® 5 is maladjusted

A reduction lens is not being

used
The reduction lens is not com-

patible the microscope objec-
tive

Too much distance between

the ophthalmoscopy lens and
the eye
 Magnification of the
microscope system to high
The microscope light is on

The BIOM® 5 has not been

swiveled out
Vacuum has developed be-

tween the BIOM® 5 and the
adapter, or there are deposits
on the connecting parts
The combination control unit

is not connected to the SDI®
4c
The SDI® 4c is not connected

to the 6V-15V power supply
Power failure or power outlet

is not active
 These are not active when the
sockets at the microscope
stand are in use
Help
Focus the BIOM® 5 in accor-

dance with the instructions
given in the manual
Use a reduction lens

Check the engraving on the re-

duction lens and change the
lens, if necessary (see
page 11

Carefully reduce the distance

using the microscope fine
adjustment mechanism
 Reduce magnification of the
microscope
Turn the light off, illuminate

only intraocular
Swivel out the BIOM® 5 for

detachment
Place the BIOM® 5 and adapter

into an ultrasound bath (for
approx. 5 min)
Establish the connection to the

SDI® 4c
 Establish the connection to the
6V-15V power supply
 Inform the in-house
electrician
Use the 6V-15V plug

transformer
Use the mechanical adjusting

element or adjusting wheel
Activate the sockets in

accordance with the
instructions for the stand
Contact the microscope

manufacturer for assistance
Instruction Manual BIOM® 5 (G/55400/0413/en)
sect. 9.1,