EN
28/55
23 Faults
If the fault cannot be rectified according to the faults table, Hettich customer services must be informed.
Please state the type of centrifuge and the factory serial number. Both values are visible on the centrifuge type plate.
MAINS-RESET: - Mains switch OFF, for longer than 10 seconds.
- Mains switch ON.
Message / fault
Cause
Remedy
No display
---
−
No voltage.
−
Mains input fuses defective.
−
Check supply voltage.
−
Check mains input fuses.
−
Mains switch ON.
01
−
Faulty speedometer.
TACHO - ERROR
02
−
Motor, electronics defective.
−
Open lid.
−
Turn rotor manually.
−
MAINS-RESET when power is
switched on, rotor should turn.
IMBALANCE ---
Imbalance
about
motor axis through weight
differential in rotor assembly.
−
Open lid.
−
Correct imbalance.
CONTROL - ERROR
04
Error in lid locking or lid closure.
N > MAX
05
Rotation too fast
N < MIN
13
Rotation too slow
−
Open lid.
−
MAINS-RESET
MAINS INTERRUPT
---
Power failure, centrifuging not properly
completed
−
Open lid.
−
Push
START / IMPULS
button.
VERSIONS-ERROR
12
Mismatch between electronic components
CONTROL-ERROR 21,
22,
24 - 27
Error / defect electronics
CONTROL-ERROR
23
Error / defect controls
SER I/O - ERROR
30 - 38 Error / defect electronics
° C * - ERROR
50 - 56 Error / defect electronics
FU / CCI - ERROR
60 - 83 Error / defect electronics / motor
SYNC-ERROR
90
Error / defect electronics
SENSOR-ERROR
91, 92 Error / defect unbalance sensor
KEYBOARD-ERROR
---
Error / defect controls
−
MAINS-RESET
24 Change mains input fuse
Switch off the mains switch and separate the centrifuge from the mains!
A
B
The fuse holder (A) with the mains input fuses is located next to the mains switch.
•
Remove the connecting cable from the machine plug socket.
•
Press the snap-fit (B) against the fuse holder (A) and remove.
•
Exchange defective mains input fuse.
•
Reinsert the fuse holder until the snap-fit clicks shut.
•
Reconnect the centrifuge to the mains supply.
25 Acceptance of the centrifuges for repair
If the centrifuge is returned to the manufacturer for repair, it must be decontaminated and cleaned to protect persons,
environment and material.
We reserve the right to accept contaminated centrifuges.
Costs incurred for cleaning and disinfection are to be charged to the customer.
We ask for your understanding in this matter.
You will find further information on our homepage: http://www.HettichLab.com
