Leica Biosystems RM2245 - Manual (Page 65)

63 Leica RM2245
7. Troubleshooting
7.1.2 Malfunctions, possible causes and troubleshooting
The following is a list of the most common problems which can arise while working
with the instrument, along with possible causes and troubleshooting procedures.
If the malfunction cannot be remedied with any of the options listed in the table, or the
problem occurs repeatedly, inform Leica Service Support immediately.
Problem Possible cause Corrective action
• No display; no reaction to but-
tons pressed after the instru-
ment is switched on.
1. The power cable is not con-
nected correctly.
2. Power fuses are defective.
3. The cable of the control panel
is not connected correctly.
4. The voltage selection switch is
set incorrectly.
1. Check the connection of the
power cable.
2. Replace power fuses (see
Chapter 8.3 ).
3. Check the connection of the
cable to the control panel.
4. Check the voltage setting and
correct it if necessary
(see Chapter 4.4 )
• Feed motion no longer occurs. 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 return
the specimen using the coarse
feed button. Then retract the
specimen using the coarse
feed button.
2. Follow the procedure in Item 1.
• The specimen in the residual
path area cannot be returned
using the coarse feed buttons.
1. 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.