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Drucker Diagnostics 642E Manuale di servizio

5 TROUBLESHOOTING

PROBLEM

The lid does not open.

PROBLEM

Excessive vibration

PROBLEM

Rotor does not spin

PROBLEM

Clicking noise during braking

PROBLEM

Whistling noise while running

DRUCKER DIAGNOSTICS

MODEL 642E SERVICE MANUAL

POSSIBLE CAUSE

No Power

Lid knob is ajar

Lid lock is active (Unlock timed out)

Lid tray is unplugged from PCB or defective

PCB is damaged

POSSIBLE CAUSE

Rotor improperly loaded

Debris lodged within the rotor or tube

carriers

Centrifuge housing is loose

Missing/damaged feet

Motor failure

Rotor damaged

POSSIBLE CAUSE

No Power

Lid not properly latched

Internal connection failure

PCB failure

Motor Failure

POSSIBLE CAUSE

Rotor is loose

POSSIBLE CAUSE

Debris in air intake / exhaust ports

Gasket failure

SOLUTION

Check line cord

Check circuit breaker on underside of centrifuge.

Check wall outlet

Rotate the lid knob fully clockwise before pressing the

'OPEN' button

Press the 'OPEN' button to de-activate the lid

Requires service

To gain access to the rotor - Remove the 'OPEN/CLOSE'

sticker and slide the lid latch lever toward the front of the

centrifuge. This will unlock the lid.

SOLUTION

Load equally filled tubes symmetrically in the rotor. All

carriers and/or tube holders must be present in the rotor,

whether loaded, or empty.

Carefully inspect all rotor pockets, tube holders and

crevasses for debris.

Requires service

Replacement required

SOLUTION

Check line cord

Check circuit breaker on underside of centrifuge.

Check wall outlet

Press down firmly on lid and rotate lid knob clockwise until

the 'LATCHED' light illuminates.

Requires service

SOLUTION

Tighten rotor nut per section 7-2

SOLUTION

Remove power before clearing debris.

Requires service

SM006

REV: A