Leica Biosystems RM2255 - Manual (Page 70)

68 Instructions for Use, V 1.8 RevC – 07/2013
28
Problem Possible cause Corrective action
• The cutting motor cannot be
started.
1. The EMERGENCY STOP button
is pressed or the foot switch is
depressed.
2. The handwheel lock is acti-
vated.
3. The motor was temporarily
overloaded and was switched
off via the automatic fuse.
4. The foot switch or dummy plug
is not connected or not con-
nected correctly.
1. Unlock the EMERGENCY STOP
button and select the operating
mode; release the foot switch.
2. Release the handwheel lock.
3. Switch off the instrument and
wait 30 seconds.
Push the button of the auto-
matic fuse (28) on the rear of
the instrument.
Switch the instrument back on.
4. Connect the foot switch or
dummy plug and ensure that it
is connected correctly.
• Feed motion no longer occurs.
The cutting motor cannot be
started.
1. The end of the residual path
has been reached.
2. The specimen was already
within the residual path when
the instrument was switched
on.
1. Select the trim mode by press-
ing TRIM/SECT. Then retract
the specimen using the coarse
feed button.
2. Follow the procedure in Item 1.
• The coarse feed buttons can
be used to move the object in a
backwards direction only.
1. The motorized sectioning pro-
cess is still in progress.
1. End motorized sectioning by
pressing the foot switch or the
RUN/STOP or ENABLE button.
• The specimen in the residual
path area cannot be returned
using the coarse feed buttons.
1. The STEP mode is still active
(LED in SECT button lights up).
1. Press the TRIM/SECT button
to switch to trimming mode.
Return the specimen using the
coarse feed button.
• Cutting motor switches off
prematurely in CONT (continu-
ous stroke) operating mode.
1. Foot switch was held down too
long when starting the section-
ing process.
2. The RUN/STOP and ENABLE
buttons of the control panel
were not released simultane-
ously after starting.
1. Only press the foot switch
briefly to start the sectioning
process.
2. Release both buttons simulta-
neously.
• HOME and STOP are lit up
simultaneously.
1. The end position detection is
defective.
1. Contact Leica after-sales ser-
vice.
7. Troubleshooting
Fig. 71