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75
PLC 2050/2250/2500 PurifiCation SyStemS
| uSer’S GuiDe
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Collection
SymPtom(S)
PoSSibLe CauSe(S)
remeDy
referenCe
Fraction collector
does not respond to
commands.
No communication.
Electronic board firmware
failure.
Restart the system. If the
problem persists, export
the
traces
log files from
GGP Software.
Refer to the
Gilson Glider
Prep Software (GGP)
User’s Guide
.
Fraction collector does
not go to home position.
Motor(s) or optical
sensor(s) are damaged or
not properly supplied.
Check the X and Y
movement when system
is off.
Check the state and
cleanliness of collector
sensors.
Fraction collector does
not collect properly into
tubes.
Wrong racks used.
Wrong racks positioning.
Wrong collection
parameters.
Check rack code in the
software matches the
racks you are using.
Check positioning of racks
on the tray.
Check the collection
parameters in
GGP Software and then
adjust if needed.
Check that the collection
probe is sufficiently
tightened.
Refer to the
Gilson Glider
Prep Software (GGP)
User’s Guide
.
Mechanical blockage.
Check for obstruction to
X and Y movement when
system is off.
Dirty or damaged
collection valve.
Check the collection valve
cleanliness.
Check the collection and
waste tubing state.
Disassemble the
collection valve for
cleaning.
Replace the collection
valve or tubing if
damaged.