Instruction Manual

TROUBLESHOOTING AND ERRORS
Troubleshooting
Situation What to do
There is a bubble in the sample. 1. Centrifuge the sample.
2. Try to aspirate the bubble with a pipette.
The instrument shakes/makes
unusual noise when turned on.
1. Stop the instrument (see "Stop the volume reduction process" on page31).
2. Check if the following condition are respected:
o
absence of foreign bodies and liquids in the rotor chamber and on the
lid
o
integrity and correct positioning of the closed holder
o
rotor well fixed
o
the instrument is placed on a flat surface
Not ready is displayed and the
status LED is off.
1. Press for more information about the problem.
2. Solve the problem (see "Error codes" on the next page).
A malfunction occurs/something
went wrong in the rotor chamber.
Check if the following condition are respected:
l absence of foreign bodies and liquids in the rotor chamber and on the lid
l integrity and correct positioning of the closed holder
l rotor well fixed
If necessary, contact Technical Support (see "How to contact Technical
Support" on page4).
Anomalies in the VR NxT
functioning.
Perform a diagnostic test (see "Errors" below).
The program has not come to an
end because of an accidental or
quick shutdown.
See "Recover the samples" on page32.
The error status light is red without
a displayed error.
Contact Technical Support (see "How to contact Technical Support" on page4).
The display is off Check what follows:
l the main power switch
l the mains connections
l the mains fuse of the laboratory
The lid is locked 1. Press and at the same time for about six seconds to enter the menu.
2. Select Unlock lid.
Power failure during a process 1. Turn on the main power switch:the instrument performs a self-diagnostic
test.
2. Follow the recovery procedure (see "Recover the samples" on page32).
After a shutdown, the instrument
does not work.
Reduce or remove the supernatant manually. Please contact Technical Support
to receive information about the manual procedure (see "How to contact
Technical Support" on page4).
Errors
Error detection
The instrument automatically performs a self-diagnostic test every time it is turned on and after 120 consecutive cycles.
When an error is detected, its identification code is displayed. For a complete list of error codes and solutions, see
"Error codes" on the next page.
VR NxT| Instruction Manual 1.0 02-2019|VRNXTinstr1EN|© 2019 Menarini Silicon Biosystems SpA 37