Hermle Z 326 Service Instruction page 41

Error No. 12: Chamber over temperature (for refrigerated units only)
• Cause:
• Solution:
Error No. 14: Leap of speed is too big between two measurements
(Lid is blocked for ... seconds – see below table)
• Cause:
• Solution:
Error No. 33: Open lid while motor is running
• Cause:
• Solution:
• Cause:
• Solution:
Error No. 34: Lid contact defective
• Cause:
• Solution:
Error No. 38: Lid motor is blocked
• Cause:
• Solution:
• Cause:
• Solution:
Error No. 40: Communication with frequency converter disturbed during start
• Cause:
• Solution:
Page 41 of 48
Insufficient admission of air
Take care of enough ventilation
Unit
Z 216 MK
Z 32 HK
Z 366
Z36 HK
Z 326 und Z 326 K
20r
Seta 2
Shaft encoder defective or parting of a cable at shaft encoder, possibly loose magnet.
Make sure speed magnet has a firm fit, fix it with super glue.
Call service department!
The lid of the centrifuge has been opened while centrifuge was running.
Close the lid of the centrifuge. DANGER OF ACCIDENT!
Control switch of the lid lock is defective
Replace the lid lock
Control switch of the lid lock is defective
Replace the lid lock
Control switch of the lid lock is defective
Replace the lid lock
Lid motor is defective
Replace the lid motor
Frequency converter is defective
Restart the unit;
Check if the cable is out tight;
Replace the frequency converter
SERVICE INSTRUCTION Z 326
8 TROUBLE SHOOTING
Seconds
300
600
600
600
540
300
420
© HERMLE Labortechnik GmbH
Version 01/2010