9 manual operation, 10 usb sample processor – Metrohm 840 PC Control 5.0 / Touch Control User Manual
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5 Troubleshooting – Maintenance
PC Control / Touch Control
293
Problem
Possible cause
Remedy
Touch Control: The
error message "No
printer" is displayed
when printing
manually or when
starting a method
with a REPORT
command.
The USB printer has been
switched off while the Touch
Control was running.
Switch on the printer again and
switch off and back on the Touch
Control.
5.1.9 Manual
Operation
Problem
Possible cause
Remedy
The [Manual] fixed
key is inactive.
The [Manual] fixed key is
deactivated.
Activate the [Manual] fixed key
under Dialog options/Fixed
keys (see Section 3.7.3).
The corresponding hardware
is either not connected or not
properly connected.
Connect the hardware correctly
(see Installation Instructions for the
Titrando).
The appropriate hardware
has not been recognized
correctly.
Switch off the system and then
switch it on again.
Manual operation
buttons are inactive.
The corresponding hardware
is occupied with a
determination run.
Wait until the determination is
finished.
5.1.10 USB Sample Processor
Problem
Possible cause
Remedy
No Rack Reset can
be carried out
The robotic arm can not
rotate.
Check the setup settings of the
robotic arm in the device manager
under Sample Processor/Swing
Head/Robotic arm (see
Section 3.10.5)