Thermo Scientific Gibco CTS Rotea User Manual page 114

Chapter 6 Troubleshooting
6
Power and fuses
(continued)
Component
Door
Pinch valves
Moisture detector
Concentrate output
volume
Note: Some faults may be rectified by rebooting the instrument. To do this, turn the power off using
either the mains switch or on/off switch on the rear of the instrument, wait 2 minutes and then turn
power back on as described in "Power instrument "On""
114
Fault
Door won't unlock
Door won't lock
Valves not fully closing
Valves slow to close
Loud audible noise when
valves close
Leaking Kit
External spill
Incorrect volume or
highly variable output
volume
Corrective action
Check instrument status and that the door unlock
button is illuminated
Note: for instructions on how to open the door
manually to retrieve a Single-Use Kit or perform
maintenance, see "Open the door without power"
page 111.
Depress door fully
Check that the KSingle-Use Kit has been correctly
loaded with tubing retained in tube tracks
Check for obstructions
Perform Single-Use Kit loading and unloading
sequence multiple times, (see "Kit preparation,
loading and removal" on page
Replace Single-Use Kit and check performance
Replace Single-Use Kit and check performance
Replace Single-Use Kit
Wipe internal surface of centrifuge housing with a
soft cloth or dry paper towel and restart Instrument.
Wipe internal surface of centrifuge housing with
a soft cloth or dry paper towel and restart the
instrument.
Check that your priming sequence eliminates air
from fluid lines in the concentrate output path.
Check pump calibration
Check that there isn't any flow restriction in the
output line.
Note: If delivering into a syringe, friction between
the syringe barrel and the plunger can affect the
output volume.
on page 18.
CTS ™ Rotea ™ Counterflow Centrifugation System User Guide
on
43).