Centrifuge 5424 / 5424 R Operating manual 1 User instructions Operating manual Centrifuge 5424 / 5424 Rseeon p.Fig.Tab.p. 1.1 Using this manual Please read this operating manual completely before using the device for the first time. Please view this operating manual as part of the product and keep it somewhere easily accessible.
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7 Troubleshooting
Centrifuge 5424 / 5424 R — Operating manual
7.2
Error messages
If one of the following error messages appears, proceed as follows: 1. Remove fault (see Remedies). 2. If necessary, repeat centrifugation.
Symptom / message
Cause
Remedy
LID ERROR
Centrifuge lid cannot be locked.
Try to close the centrifuge lid again.
LID ERROR
Centrifuge lid cannot be released.
1. Switch the device off and back on. 2. Press the open key. If the error occurs again:
1. Switch off the centrifuge. 2. Activate the emergency lid release
(see Emergency release on p. 32).
LID ERROR
Centrifuge lid must not be released during a run.
Wait for the rotor to stop.
LID LIFT (only 5424 R)
Centrifuge lid has not been opened wide enough.
Open the centrifuge lid wider by hand.
INT
Mains power failure during a run.
Check the mains connection.
Eppendorf 5424 Service Manual Instructions
NO RPM
Error in speed measuring system.
Leave the device switched on until the error message disappears (10 s or 6 min).
Err 6
Drive error.
Repeat the run.
If this error message appears again, switch centrifuge off and back on again after > 20 s.
Err 6
Drive overheated.
Allow the drive to cool down for at least 15 min.
Err 7
Major deviation in the speed control.
1. Wait for the rotor to stop. 2. Tighten the rotor.
Err 8
Drive error.
1. Wait for the rotor to stop. 2. Repeat the run.
Err 9 to 17
Electronics error.
Switch the centrifuge off and back on again after > 20 s.
Err 18 (only 5424 R)
Too high temperature variation from nominal value in the rotor chamber.
Check the settings.
Check unhindered air circulation through the vents.
Thaw ice or switch off device and allow it to cool down.
Err 19 (only 5424 R)
Cooling circuit is overheated.
Check unhindered air circulation through the vents and allow device to cool down.
Err 20 (only 5424 R)
Temperature sensor in rotor chamber faulty.
Switch the centrifuge off and back on again after > 20 s.
Err 21 (only 5424 R)
Temperature sensor at capacitor faulty.
Switch the centrifuge off and back on again after > 20 s.