Troubleshooting
Centrifuge 5424/5424 R
English (EN)
38
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 again to close centrifuge lid.
LID ERROR Centrifuge lid cannot be released. 1. Switch the centrifuge off and back on.
2. Press the open key.
If the error occurs again:
1. Switch off centrifuge.
2. Activate the emergency lid release
(see Emergency release on p. 39).
LID ERROR Centrifuge lid must not be released
during a run.
Wait for rotor to stop.
LID LIFT
(only 5424 R)
Centrifuge lid has not been opened wide
enough.
Open the centrifuge lid wider by
hand.
INT Power failure during a run.
Check the mains connection.
NO RPM Error in the speed measuring system or
drive overheated.
Leave the device switched on until the
error message disappears (10 s or 6
min).
Err 6 Drive fault.
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 rotor to stop.
2. Tighten the rotor.
Err 8 Drive fault. 1. Wait for 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 deviation from set
value in the rotor chamber.
Check the settings.
Check unhindered air circulation
through the air slots.
Thaw ice or switch off device and
allow it to cool down.
Err 19
(5424 R only)
Cooling circuit is overheated.
Check unhindered air circulation
through the air slots and allow device
to cool down.
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