Troubleshooting; General Maintenance - VWR 1814 Bedienungsanleitung

Troubleshooting

If a problem should arise with the centrifuge, please refer to this troubleshooting guide. For
additional assistance, contact the service department.
Problem
Lid will not open*
Unit will not start/does
not achieve speed
No power
Excessive vibration
No display
Tone sounds when started. • This indicates that the lid has not been closed or that the safety
*It is possible to release the lid lock manually to open the lid and remove samples in the event
of a power failure. Follow the instructions under "Manual Lid Lock Release" to open the lid and
retrieve samples.

General Maintenance

• There are no user serviceable parts within the unit. Opening the case will void the warranty.
• The unit should be wiped down after each use with a soft cloth. Periodic cleaning of the
rotor and chamber should be performed to keep the unit in proper operating condition.
Clean any spills immediately.
• Disconnect electrical power from the microcentrifuge before cleaning.
• Do not immerse the body of the centrifuge in any liquid
• Use mild soap or diluted bleach and a soft cloth. Do not use chemical solvents for cleaning.
• The removable rotor and rotor cover may be autoclaved at 115 kPa absolute pressure
(121º to 124ºC - see Rotor Usage Guide section of this manual).
• Before using any cleaning or decontamination method, except those recommended by the
manufacturer, verity with the manufacturer that the proposed method will not damage the
equipment
Note: An excessive buildup of dirt and grime in the centrifuge or on the rotor may affect
operation of the unit. It is the responsibility of the user to maintain the centrifuge in
the proper manner. Failure to do so may affect the warranty coverage.
Solution
• Is the rotor spinning? Allow rotor to come to a complete stop
before attempting to open the lid.
• Check for and remove any obstructions in the lid latch holes.
• Has the unit lost power? Lid will remain locked until power is
restored.
• Turn power switch off then on again.
• Lid is open. Press lightly on the lid while
pressing the green start key.
• Rotor is unbalanced. Reload properly.
• Rotor cover is missing. Replace cover.
• Check that power cord is intact and not pinched and is connected
to both unit and outlet. Check the outlet. Check power switch.
• Check fuse. Replace with properly rated fuse if necessary.
• The unit may have received a large static discharge. Turn off the
unit, wait one minute, and turn unit back on.
• Load is not balanced. Redistribute the sample tubes in the rotor.
• Check installation of the rotor and cover.
• Replace rotor.
• Check the power connections. (See "No power", above.)
latch is not engaged. Confirm that the lid is completely closed
and there are no obstructions in the latch holes. Press lightly on
the lid while pressing the green start button to restart the unit.