Leica Biosystems VT1200/VT1200 S - Manual (Page 44)

42 Instructions for Use V 1.4 RevC – 09/2013
7. Malfunctions: Meaning and Troubleshooting
Error No. /
INF No.
Error Troubleshooting Comment
Error 27 - "Bottom" limit switch of
the Z-axis is not reached
during initialization or
operation.
- Check whether an ob-
stacle is blocking the
travel path of the ice tray.
Remove the obstacle. If
there is no obstacle and
the error message per-
sists after the instrument
is switched on again:
Inform service.
Error 28 - The "top" limit switch of
the Z-axis is not reached.
- Check whether an ob-
stacle is blocking the
travel path of the ice tray.
Remove the obstacle. If
there is no obstacle and
the error message per-
sists after the instrument
is switched on again:
Inform service.
Error 31 - Both X sensors activated
(during initialization or in
normal operation)
- Inform service!
Error 32 - Both Z sensors activated
(during initialization or in
normal operation)
- Inform service!
After all error messages, the instrument MUST be switched off, then on again using the main
switch.