Faults - Hettich EBA 270 Bedienungsanleitung

EN
20

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 ").
Message/
fault
No No voltage
display Mains input fuses defective.
- 1 - Tacho error
Failure of speed impulses during
operation.
- 2 - Power failure during the centrifugation
run. (The centrifugation run was not
finished.)
- 3 - Balance error
The rotor is unevenly loaded.
- 4 - Fault in control unit or power unit.
- 5 - Motor or motor control defective.
- 6 - Supply voltage outside tolerance (see
- 8 - Technical Data).
- 7 - Overspeed
- 9 - Excess temperature
- b - Rotation too slow
- C - Fault in control unit.
- d - Error in lid locking or lid closure.
- E - Short circuit in control unit / power unit.
- F - Incorrect machine version
46/85
Cause
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Rev. 11 / 12.2022
Remedy
Check distribution voltage.
Check mains power input fuse, refer
to Chapter "Change mains input
fuse".
Mains switch ON.
The device may not be switched off
as long as the rotation display
lit up and rotating. Wait until the " "
icon (lid closed) appears in the
rotation display (after about 120
seconds) and then run a "POWER
RESET".
When stationary, open lid and press
key.
START
Repeat the centrifugation run if
necessary.
Open lid when rotor is stationary.
Check the loading of the rotor, see
chapter "Loading the rotor".
Repeat the centrifugation run.
Perform a MAINS RESET when the
rotor has been stationary.
Perform a MAINS RESET when the
rotor has been stationary.
Check supply voltage.
Perform a MAINS RESET when the
rotor has been stationary
When rotor is stationary, open lid
using emergency unlocking (see
Emergency Unlocking chapter).
Allow motor to cool down.
Perform a MAINS RESET when the
rotor has been stationary.
Inform Customer Service.
is
AB2300DEENFRIT