Description Of The Error Message System; Procedure While Error 14 - Hermle Z 307 User Manual

TROUBLE SHOOTING

4.2.2 Description of the Error Message System

The error message, "error" (M11), is shown in the "time" (A-3) display, (see Figure 36). For more
detailed information, refer to "Table 6: Error Messages", (see Appendix P. VI).
Figure 36

4.2.3 Procedure while error 14

If Error 14 occurs, there is a problem with the speed sensor. The centrifuge lid is closed for undefined
period of time and in the "rpm/rcf" (A-1) display shows the lettering "USEr GuidE" (see Figure 37).
Figure 37
To reopen the centrifuge lid, switch off the device and wait until the rotor has come to a standstill.
Take from "Table 5: Acceleration and Deceleration Times" the maximum deceleration time of the
respective rotor. Level 0 corresponds to unbreaked rundown, which occurs at error 14. If the centrifuge
lid is opened before standstill of the rotor, a following error can occur.
Once the rotor has come to a standstill, open the centrifuge lid with the emergency release. Proceed
as described in chapter 4.2.1, p 27. After opening the centrifuge lid, switch on the device again. Error
14 and the lettering "USEr GuidE" should be eliminated.
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Z307_V1.22_eng © Hermle Labortechnik GmbH