Leica Biosystems RM2255 - Manual (Page 69)

67 Leica RM2255
7.1.1 Error reports
If the message "E 1" follows the software version indication after switching
on the instrument, a loss of parameters has occurred.
• Press any key.
All parameters are then set back to the default values.
• Now all settings must be checked to see if the values are still correct.
The values may have to be reentered.
You can continue with your normal working routine.
7. Troubleshooting
7.1 Instrument malfunctions
7.1.2 Malfunctions, possible causes and troubleshooting
Certain instrument malfunctions appear on the 3-digit LED display or are indicated
through illuminated LED's on the control panel.
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 the power fuses.
(see
Chapter 8.2.1 )
3. Check the connection of the
cable to the control panel.
4. Check the voltage setting and
correct it if necessary
(see Chapter 4.5 )