Leica Biosystems VT1000 S - Manual (Page 26)

24 Instructions for Use, V 2.0 RevD – 09/2013
6. Malfunctions: Meaning and Troubleshooting
Error messages/symptoms Sources of error Troubleshooting
- Collision of knife and specimen
disc.
- Clearance angle adjustment:
- If a clearance angle wider than
5° is selected, specimen disc
and knife edge can potentially
collide with each other.
- Lower the specimen disc suf-
ficiently to prevent collision.
- When working with directional
specimen holders, knife edge
and specimen holder can col-
lide at any selected clearance
angle.
- Lower the specimen disc suf-
ficiently to prevent collision.
When working with direction-
al specimen discs, move the
buffer tray to its lowest posi-
tion directly after switching on
the instrument!
- Audible warning signal.
- Return stroke is not completed.
- Operating error due to locking
function of the REV/FORW button:
- With the REV/FORW button
locked the instrument is
switched off via the power
switch at the rear of the instru-
ment and is switched on again
without releasing the REV/
FORW button to its center posi-
tion.
Unlock the REV/FORW button
by pulling it back to the center
position.
- To reactivate the return stroke
movement, lock the REV/FORW
button again (to REV position).
- Audible warning signal.
- Return stroke is not completed.
- With the REV/FORW button
locked, the instrument was
switched off via the emergency
stop and after that, the emer-
gency stop was released again
without releasing the REV/
FORW button to its center posi-
tion.
- With the REV/FORW button
locked, the instrument was
switched off via the emergency
stop and after that, the emer-
gency stop was released again
without releasing the REV/
FORW button to its center posi-
tion.