VIAFLO 96/384 – Operating instructions V11 Operation
30 INTEGRA Biosciences AG
4.5 Troubleshooting/FAQ
Problem Probable cause Remedy
Base unit is drifting
sidewards.
Control unit was touched at
switch on.
Do not touch the control unit when
switching on the VIAFLO 96/384.
Restart VIAFLO 96/384 to initiate
new homing routine.
Touch wheel does
not work properly.
Control unit was touched
during homing.
Do not touch the control unit
during homing.
Restart VIAFLO 96/384 to initiate
new homing routine.
Menu options not
selectable (grayed
out).
No pipetting head installed. Install a pipetting head.
Pipetting not possi-
ble.
Side cover missing or pipet-
ting head not correctly
installed.
Ensure pipetting head is installed
correctly. Mount the side cover
and screw the knob tightly.
Tips cannot be
loaded.
Z height defined too high
above the top of the box.
Exit the pipetting mode. Alterna-
tively clear Z height setting on
position where tips are loaded.
Tips are not cen-
tered in the wells,
although tip align-
ment is activated.
Head alignment was not per-
formed yet.
Perform head alignment for every
pipetting head.
Droplets on the tips. Temperature of liquid differs
from that of air inside the tips.
Pre-wet tips up to 3 times.
Liquid of low viscosity and
high vapor pressure.
Pre-wet tips and increase dispens-
ing speed.
Touch-off was not performed. Perform a touch-off (mandatory in
Repeat Dispense and Variable
Dispense mode).
Obstruction error. Base unit moved in X direc-
tion by hand.
Always hold the control unit to
move the base unit sidewards.
Tips hit an obstacle during
X movement, e.g. box, con-
tainer.
Move the tips upwards to a height
that clears the tip rack out.
Guide rail soiled. Clean the guide rail for base unit.
Other causes. Switch the device off and on.
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