Drucker Diagnostics Model 755 Centrifuge - Manual (Page 10)

9. If this is a variable speed version, turn the speed control to MAX.
10. Turn the centrifuge on by pushing the ‘START’ button.
11. The ‘RUN’ indicator light will illuminate.
12. The unit will accelerate to its set speed.
13. Listen to the sound of the centrifuge. A smooth whirring sound should be
heard. If there are any loud or unusual sounds, stop the centrifuge by
pushing the ’OPEN / EMERGENCY STOP’ button immediately and refer
to page 12 on troubleshooting.
14. While the machine is running, try to turn the latch counter-clockwise.
Power may be cut to the motor but you should not be able to fully turn
the latch. If it is possible to turn the latch and open the lid while the unit
is running, contact your authorized dealer or The Drucker Company.
Close and latch the lid.
15. Push the ‘OPEN / EMERGENCY STOP’ button. The ‘RUN’ indicator
light should go out and the motor should slow to a stop.
16. The lid should remain locked until the rotor has stopped. If the machine
unlocks prematurely, contact your authorized dealer or The Drucker
Company. Once the rotor has stopped, a beeper will sound and the
interlock system will become disengaged for sixty (60) seconds. The
‘UNLOCKED’ indicator light will be illuminated during this time.
17. To gain entry into the centrifuge after this period has ended, simply press
the ‘OPEN / EMERGENCY STOP’ button. The lid will unlock for fifteen
(15) additional seconds. Repeat if necessary.
(Continued)
After the centrifuge has passed this procedure,
it is ready for operation.
If you would like to make adjustments to your machine’s
settings, please continue on to “Additional Set-Up Procedures”.
Additional Set-Up Procedures (Optional):
1. Verify the Run-Time Preset:
NOTE: The centrifuge must be plugged in and the lid must be opened to
access programming functions!
a. Push and hold the ‘START’ button for approximately three (3) seconds.
The ’LATCH’ indicator light will begin to flash; indicating program mode.
b. When you release the ‘START’ button, the ‘RUN’ indicator light will begin
to flash. Each flash of the ‘RUN’ indicator light represents one minute of
run time. If the time indicated is not desired, follow the instructions on
the rear of the centrifuge to change it.
(continued next page)
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