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3.7
Safety Devices
3.7.1
Lid Lock Device
The centrifuge can only be started when the lid is properly closed.
The electrical lock must be locked. The lid can only be opened when
the rotor has stopped. If the lid is opened by way of the emergency
release system during operation, the centrifuge will immediately
switch off and decelerate brakeless. If the lid is open, the drive is
completely separated from the mains power supply, i.e. the centrifuge
cannot be started (see 7.1.1 "Emergency Lid Release").
3.7.2
Standstill Monitoring
Opening of the centrifuge lid is only possible if the rotor is at a
standstill. This standstill is checked by the microprocessor.
3.7.3
System Check
An internal system check monitors the data transfer and sensor
signals with regard to plausibility. Errors are detected with extreme
sensitivity and displayed as error messages in a dialog box (see 7.2
"Error Codes").
Version 03/2010, Rev. 1.7 of 27/01/2012
Translation of the original operating manual
If other data concerning the service life are engraved on the rotor
or bucket, these data shall apply accordingly. For example, a
bucket with the engraving "max cycles = 10,000" has a service
life of 10,000 cycles, and a rotor with the engraving "Exp.Date
02/15" must be scrapped in Feburary 2015 at the latest (see fig.
3.1)!
Fig. 3.1: Different service life – engraving on the bucket/rotor
Refer to the table of rotors and accessories with a different
service life ( see chapter 11 "Appendix")
2-16KC
Safety
19
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