Drucker Diagnostics 642E Operator's Manual

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SUPPLIED EQUIPMENT
One (1) six–place horizontal rotor
P/N 7786061
Six (6) universal 75-100 mm tube
holders
P/N 7713079
Two (2) 0.5 to 1 mL tube adapters
P/N 7713068
Two (2) 1.5 to 2 mL tube adapters
P/N 7713065
The rotor and accessories are rated for a rotation frequency of 4,000 RPM.
For optional accessories, see the last page of this manual.
FEATURES
 Swing–out horizontal rotor design, incorporating a unique tube
holder that produces horizontally separated samples and spins
both 75 and 100 mm tubes
 Cool–Flow air flow design that prevents overheating of samples
 Heavy gauge steel construction for safety and durability
 Lid safety switch that prevents the centrifuge from operating
unless the lid is closed and latched
 Automatic safety lid lock, engaged anytime the rotor is in motion
 Removable rotor for easy cleaning
 Brushless permanent split capacitor AC motor
 Clear lid for safe observation of samples and optical calibration of
speed
 Electronically controlled timed operation (see pg. 6)
 Push-button operation
 Indicator lights:
Color Status
‘RUNNING’ Green Power is applied to the motor
‘LATCHED’ Yellow Lid is closed and latched
‘UNLOCKED’ Red Lock system is deactivated
 Both the LATCHED and UNLOCKED LEDs must be illuminated to open the centrifuge.
If the UNLOCKED LED is not illuminated, the lid cannot be opened.
WARRANTY
Drucker Diagnostics warranties that this centrifuge is free from defects in
workmanship and parts for 2 years.
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TROUBLESHOOTING
Note: The latch must be turned completely clockwise to its stop position
in order for the centrifuge to operate.
Problem: The rotor does not spin freely.
Solution:
o Make sure nothing has fallen into the rotor chamber
o If there is nothing obstructing the rotor, the rotor may be
damaged. Contact Drucker Diagnostics for further assistance.
Problem: Excessive noise when the machine is running.
Solution:
o Check to see that the load is balanced.
o Make sure that nothing has fallen into the rotor chamber.
o Make sure that the nut in the center of the rotor is tight.
o Have a technician test the motor and replace it if necessary.
Problem: The Centrifuge does not spin.
Solution:
o Check the electrical outlet
o Make sure the lid latch is turned completely clockwise to its stop
position. When the lid is closed properly, the latch light on the
control panel will illuminate.
o Check the circuit breaker switch at the bottom left of the
machine. If the switch is white, the breaker has tripped. Contact
Drucker Diagnostics for further assistance.
o The printed circuit board may be damage. Have a technician test
and replace the circuit board if necessary.
Problem: The latch light does not come on when the lid is closed.
Solution:
o Make sure that the unit has power.
o Make sure the lid latch is turned completely clockwise to its stop
position. The latch makes contact with a switch underneath the
front top of the cabinet. If this switch is not activated. The light
will not tur on the machine will not run
Problem: The machine does not unlock after a run has completed.
Solution: The lid should remain locked until the rotor has nearly come to
a complete stop and then unlock for 60 seconds. If additional unlock time
is needed, press the ‘OPEN / STOP’ button with the machine plugged in

Drucker Diagnostics 642E Specifications

General

Brand	Drucker Diagnostics
Model	642E
Category	Laboratory Equipment
Language	English