Hermle Z 326 Service Instruction page 43

Error No. 49: Other error frequency converter
• Cause:
• Solution:
Error No. 55: Overspeed
• Cause:
• Solution:
Error No. 99: Rotor is not allowed in this centrifuge
• Cause:
• Solution:
Page 43 of 48
Frequency converter is defective
Restart the unit;
Replace frequency converter
Speed sensor is defective
Restart the unit. In case this error occurs again, replace speed sensor.
Possibly loose speed magnet, fix with super glue.
Rotor is not allowed for this unit
Use rotor that is allowed in this unit
SERVICE INSTRUCTION Z 326
8 TROUBLE SHOOTING
© HERMLE Labortechnik GmbH
Version 01/2010