Troubleshooting - VWR Compact Star CS4 Manuel D'instruction

Quick spin function
The centrifuge may be operated manually by pressing and holding the "RPM Adjustment
Knob" (right). The centrifuge will continue to run as long as the knob is depressed.
Starting the centrifuge:
Once the time and speed have been selected the centrifuge can be started by pressing
the "RPM Adjustment Knob" (right). The centrifuge will then run for the specified amount
of time.
Lid release:
Following a run, the centrifuge will display will show flashing "00". This signals the end of
a run and the lid can now be opened by pressing the "Time Adjustment Knob" (left). Note
that the lid can not be opened until the display flashes "00" and the rotor has stopped.
WARNING: Do not attempt to open the lid of any centrifuge until the rotor has
come to a complete stop.
In the event of a power failure or malfunction, it may be necessary to open the lid
manually.
1. Disconnect the power cord from the wall socket.
2. Remove the plastic plug, located on the left side of the unit.
3. Pull the cord (attached to the plug) to open the lid lock manually.

Troubleshooting:

Review the information in the table below to troubleshoot operating problems.
Please refer to this guide before calling for service.
Centrifuge will not start
Possible reason:
Solution:
Check that the power cord is plugged into both the wall outlet and
the back of
the centrifuge
Check that power cord is not damaged
Possible reason:
Solution:
Lid lock will not release
Possible reason:
Solution:
Possible reason:
Solution:
Possible reason:
Solution:
Possible reason:
Solution:
No power supply
Check that power is being supplied to the outlet
Blown fuse
Check fuse and replace if necessary
Defective lid lock
Open manually and have unit serviced
No power from PC board
Call for service
Lid lock is jammed
Call for service
Centrifuge is not receiving power
See "Centrifuge will not start"