Faults - Hettich MIKRO 120 Bedienungsanleitung

EN
19

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 ---
System reset - 2 -
Balance error - 3 -
Communication - 4 -
Overload - 5 -
Overvoltage - 6 -
Undervoltage - 8 -
Excess temperature - 9 -
Controller watchdog - C -
Lid error - d -
Short circuit - E -
Configuration - F -
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Cause of fault
No voltage
Mains input fuses defective.
Power failure during the centrifugation run.
(The centrifugation run was not finished.)
The rotor is unevenly loaded.
Fault in control unit or power unit.
Motor or motor control defective.
Supply voltage outside tolerance (see
Technical Data).
Excess temperature switch in motor has
triggered.
Fault in control unit.
Error in lid locking or lid closure.
Short circuit in control unit / power unit.
Incorrect machine version
Remedy
Check distribution voltage.
-
Check mains power input fuse,
-
refer to Chapter "Change mains
input fuse".
Mains switch ON.
-
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.
Perform a MAINS RESET when
-
the rotor has been stationary.
Check supply voltage.
-
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.
Perform a MAINS RESET when
-
the rotor has been stationary.
Perform a MAINS RESET when
-
the rotor has been stationary.
Inform Customer Service.
-