Chapter 5: Maintenance and troubleshooting
BenchCel Microplate Handling Workstation R-Series User Guide
100
Rack not present
The stacker rack is not installed on
the BenchCel device.
Install the stacker rack. See “Installing
and removing stacker racks” on
page 85 for the procedure.
The rack-presence sensor is not able
to detect the rack because one of
the following:
❑
The rack sensor threshold is too
low.
❑
The rack-presence sensor is not
working.
In the BenchCel Diagnostics General
Settings tab, adjust the value in the
Rack sensor threshold box.
If the problem persists, contact
Velocity11 Technical Support.
Stack not loaded
The stack does not contain
microplates. The BenchCel device is
expecting to receive microplates in
the stack. However, the stacker
grippers are open or the shelves are
extended when they should not be.
In BenchCel Diagnostics, use
commands to close the stacker
grippers or retract the shelves.
Retry the intended commands.
The stack contains microplates. The
BenchCel device is expecting to
deliver microplates from or receive
microplates in the stack. However,
the microplates are sitting on the
shelves or are held by the stacker
grippers when they should not be.
Unload the microplates from the
stack. If a microplate is held by the
stacker grippers, in BenchCel
Diagnostics, use commands to open
the stacker grippers to release the
microplate.
In BenchCel Diagnostics, use
commands to retract the shelves or
open the stacker grippers. Reload the
microplates and retry the intended
commands.
Stacker shelf not
extended
The BenchCel device expected the
shelves to be already extended but
they are not.
In BenchCel Diagnostics Controls tab,
click the Extend Shelf command at
the desired stack.
Stacker shelf not
retracted
The BenchCel device expected the
shelves to be already retracted but
they are not.
In BenchCel Diagnostics Controls tab,
click the Retract Shelf command at
the desired stack.
Stacker shelf position
error
The BenchCel device is trying to
extend or retract the shelves but was
unable to do so.
Check for obstacles in the stacker
head that might be blocking the
shelves.
In BenchCel Diagnostics Controls tab,
click the Extend Shelf or Retract Shelf
command at the desired stack.
Thermal cutoff active
for theta-axis
The theta motor is overheated.
!! INJURY HAZARD !!
Do
not touch the robot head
because it might be too hot.
Shut down the BenchCel device and
wait for the robot head to cool down
before retrying the intended protocol
run or commands.
Error message
Cause
Solution
Summary of Contents for R Series
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Page 34: ...Preface BenchCel Microplate Handling Workstation User Guide viii ...
Page 60: ...Chapter 1 Introduction BenchCel Microplate Handling Workstation R Series User Guide 26 ...
Page 124: ...Chapter 4 Performing a run BenchCel Microplate Handling Workstation R Series User Guide 90 ...
Page 210: ...Appendix B Quick reference BenchCel User Guide 176 ...
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