is often described as an "old school" workhorse. Its brushless, maintenance-free motor design contributes to its longevity in high-throughput environments .
If you encounter Error 6, it may indicate a loose rotor, converter overload, or a defective brake. Wait 5 minutes after switching the unit off before restarting.
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For units still in operation, regular cleaning of the rotor and seals with distilled water and mild detergents is essential to prevent corrosion. Users should ensure symmetric loading for balance to avoid drive errors. Common Issues and Troubleshooting Refrigeration Failure: A common failure point in older
is a cornerstone instrument in molecular biology and biochemistry labs . Known for its reliability, the 5402 offers precise cooling for temperature-sensitive samples. Maintaining, operating, and understanding the updated protocols for this machine is crucial for ensuring sample integrity and longevity of the centrifuge. eppendorf 5402 manual updated
Ensure the wall outlet matches the voltage specified on the serial plate (typically 120V or 230V).
function to pre-chill the rotor chamber. It can typically reach 4°C from ambient temperature within 10 minutes. Starting a Run:
Modernized troubleshooting protocols help isolate mechanical issues from electrical faults. Symptom / Error Code Potential Cause Target Solution Unit is still spinning; power failure; faulty latch.
To maximize efficiency and maintain compliance, follow these updated operating procedures: Installation and Setup is often described as an "old school" workhorse
If the unit displays errors like Error 3 or Error 23 , it typically indicates the system is not detecting the rotor or there is a drive recognition fault; restarting the device often resolves minor glitches.
The updated manual explicitly lists only FA-45-18-11, F-45-30-11, and F-45-48-11 rotors. The 5424 uses a different spindle taper. Forcing a 5424 rotor will permanently damage the 5402’s motor shaft.
Insert a certified digital thermometer probe into the chamber to ensure compliance with laboratory SOPs and regulatory standards. 5. Troubleshooting and Error Codes
Understanding the technical limits of your Eppendorf 5402 ensures safe operation and prevents experimental failures. 14,000 RPM (Rotations Per Minute) Maximum RCF: 16,000 × g (Relative Centrifugal Force) Temperature Range: -9°C to +40°C Wait 5 minutes after switching the unit off
Firmly press down on the centrifuge lid until the motorized latch engages. Press the button. Step 4: Unloading Samples
. If this occurs, wait 5 minutes before restarting and ensure the rotor is tightened. Error 3 / Error 23
If the unit fails to spin or trips internal fuses, the motor brushes or drive board may require component-level servicing by a certified electronics technician. 6. Sourcing Replacement Parts and Updates
Press or turn the temperature control to your target setpoint (commonly 4°C for DNA/RNA or protein extractions). Allow the unit to pre-cool if necessary.