Faults - Hettich EBA 20 Mode D'emploi

17

Faults

If the fault cannot be eliminated with the help of the fault table, please inform Customer Service.
Please specify the type of centrifuge and the serial number. Both numbers can be found on the name plate of the
centrifuge.
Perform a MAINS RESET:
− Switch off the mains switch (switch position "0").
− Wait at least 10 seconds and then switch on the mains switch again (switch position " Ι ").
Fault Display
No display ---
Tacho error - 1 -
System reset - 2 -
Communication - 4 -
Overload - 5 -
Overspeed - 7 -
Lid error - d -
Cause of fault
No voltage
Mains input fuses defective.
Failure of speed impulses during
operation.
Power failure during the centrifugation run.
(The centrifugation run was not finished.)
Fault in control unit or power unit.
Motor or motor control defective.
Fault in the power unit.
Error in lid locking or lid closure.
Remedy
Check distribution voltage.
-
Check mains power input fuse,
-
refer to Chapter "Change mains
input fuse".
Mains switch ON.
-
Due to safety reasons the lid can
-
only be opened after approx. 100
seconds.
After this time has expired perform
-
a MAINS-RESET.
When stationary, open lid and
-
press key.
START
Repeat the centrifugation run if
-
necessary.
Perform a MAINS RESET when
-
the rotor has been stationary.
Perform a MAINS RESET when
-
the rotor has been stationary.
Perform a MAINS RESET when
-
the rotor has been stationary
Perform a MAINS RESET when
-
the rotor has been stationary.
EN
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