I. Common Faults and Troubleshooting Methods for Low-Speed Centrifuges
1. No power indication after startup:
a) Check if the main power supply in the room is functioning normally.
b) Check if the power plug and socket are making good contact.
c) Check if the fuse has blown.
2. Excessive vibration after startup:
a) Check if the weight discrepancy between the separation samples placed symmetrically in the centrifuge tubes is too large.
b) Check if the rotor slot is properly seated on the motor shaft pin.
II. Installation of the Low-Speed Centrifuge Unit
1. Installation Site Requirements:
A. The installation surface (benchtop) must be sturdy; the room should be dry, clean, and free from direct sunlight exposure.
B. The room must be equipped with an independent ground wire to ensure electrical safety.
2. Installation of Benchtop Low-Speed Centrifuge Units:
A. Place the main unit on a solid, stable surface, ensuring that all four machine feet make firm contact with the surface.
B. Maintain a clearance of at least 0.1 meters between the centrifuge and any surrounding walls to ensure adequate ventilation.
C. Power supply requirements: AC 220V, 50Hz. The cross-sectional area of the power cable must be no less than 2.5 mm², and the protective ground wire must be securely connected.
III. Maintenance and Care of Low-Speed Centrifuges
1. Upon completion of centrifugation work—and if the unit will not be used again that same day—use a clean, soft cloth to wipe away any residues from the centrifuge chamber, the rotor, and the centrifuge tubes.
2. Periodically inspect the rotor and centrifuge tubes for any cracks.
3. If the instrument is to be taken out of service for a period exceeding one month, remove the rotor from the centrifuge chamber. Apply a thin layer of lubricant to the rotor's central bore and the centrifuge's main spindle, and store the rotor in a dry environment.