Leica Biosystems VT1000 S - Manual (Page 27)

25 Leica VT1000 S - Vibrating-blade microtome
6. Malfunctions: Meaning and Troubleshooting
Error messages/symptoms Sources of error Troubleshooting
- Audible warning signal.
- Downward stroke is not com-
pleted.
- Operating error due to locking
function of the UP/DOWN button:
- With the UP/DOWN button
locked in the DOWN position
the instrument was switched off
via the power switch at the rear
of the instrument switched on
again without releasing the UP/
DOWN button to its center posi-
tion.
- Release the UP/DOWN button to
its center position.
- To reactivate the downward
motion, activate the UP/DOWN
button again (DOWN).
- Audible warning signal.
- Downward stroke is not com-
pleted.
- With the UP/DOWN button
locked the instrument was
switched off via the EMERGEN-
CY STOP (foot switch or Emer-
gency stop button) and after
that the EMERGENCY STOP was
released without unlocking the
UP/DOWN button.
- Release the UP/DOWN button to
its center position.
- To reactivate the downward
motion, activate the UP/DOWN
button again (DOWN).
- The feed motor stops.
- Any processing step (sectioning
stroke etc.) is interrupted imme-
diately.
- Any UP/DOWN motion of the
buffer tray is interrupted imme-
diately.
- Any locked buttons are indicat-
ed by an audible warning signal.
- When pressing any key, the
instrument gives an audible
warning signal.
- In case the EMERGENCY STOP
function has been activated, the
instrument will remain inopera-
tional when pressing the foot
switch.
- The indication SP is displayed.
- The EMERGENCY STOP function
has been activated.
- Release the Emergency stop
button.
- Select an operating mode and
continue working.