Topcon Slit Lamp SL-2G, Instruction Manual

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19
TROUBLESHOOTING
TROUBLESHOOTING
TROUBLESHOOTING GUIDE
When a problem is suspected, check for the condition following the check list below.
If normal operating conditions can not be restored after following the recommended remedies,
or if the problem does not fall within any of the conditions in the check list, contact your dealer
or TOPCON (see the back cover).
CAUTION
To prevent electrical shock, do not attempt disassembling,
rebuilding or repairing. For repairs, call your dealer.
Check List
Problem
Typical condition Check Page
Illumination lamp
does not work
Cable connection is discon-
nected.
Connect the cable. 12
Power switch & Brightness
control knob is OFF. Turn ON Power switch &
Brightness control knob.
12
AC adapter cable is
discon-
nected.
Connect the cable. 12
Power switch & Brightness
control knob is
set to
minimum
position.
Turn up the Power switch &
Brightness control knob.
16
Illumination lamp is broken.
Replace it with a new illumina-
tion lamp.
30
Illumination field is
not uniform/has
shade/is dark
Illumination lamp is not fitted in
place. Fit the illumination lamp
into
the
socket.
30
Aperture/slit length selector tur-
ret is not clicked
into place
.
Click the aperture/slit length
selector turret in place.
17
Filter selector lever is not
clicked
into place
.
Click the filter selector lever in
place.
18
External fixation tar-
get (optional) does
not work
Illumination unit cable is off. Insert the cable. ---