
EN
33/82
21 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
Cause of fault
Remedy
No display
---
No voltage
Mains input fuses defective.
-
Check distribution voltage.
-
Check mains power input fuse,
refer to Chapter "Change mains
input fuse".
-
Mains switch ON.
Tacho error
- 1 -
Failure of speed impulses during
operation.
-
Due to safety reasons the lid can
only be opened after approx. 120
seconds.
-
After this time has expired perform
a MAINS-RESET.
System reset
- 2 -
Power failure during the centrifugation
run. (The centrifugation run was not
finished.)
-
When stationary, open lid and
press
START
key.
-
Repeat the centrifugation run if
necessary.
Balance error
- 3 -
The rotor is unevenly loaded.
-
Open lid when rotor is stationary.
-
Check the loading of the rotor, see
chapter "Loading the rotor".
-
Repeat the centrifugation run.
Communication
- 4 -
Fault in control unit or power unit.
-
Perform a MAINS RESET when
the rotor has been stationary.
Overload
- 5 -
Motor or motor control defective.
-
Perform a MAINS RESET when
the rotor has been stationary.
Overvoltage
Undervoltage
- 6 -
- 8 -
Supply voltage outside tolerance (see
Technical Data).
-
Perform a MAINS RESET when
the rotor has been stationary.
-
Check supply voltage.
Overspeed
- 7 -
Fault in the power unit.
-
Perform a MAINS RESET when
the rotor has been stationary
Excess temperature
- 9 -
Excess temperature switch in motor has
triggered.
-
When rotor is stationary, open lid
using emergency unlocking (see
Emergency Unlocking chapter).
-
Allow motor to cool down.
Version error
A number is
displayed in
the time
indicator.
Incorrect machine version set, control
unit jumps into Setting menu.
-
Set the number 4 using the
keys underneath the time indicator.
-
Press the key
STOP
to save the
setting.
-
Perform a MAINS RESET.
Controller watchdog
- C -
Fault in control unit.
-
Perform a MAINS RESET when
the rotor has been stationary.
Lid error
- d -
Error in lid locking or lid closure.
-
Perform a MAINS RESET when
the rotor has been stationary.
Short circuit
- E -
Short circuit in control unit / power unit.
-
Perform a MAINS RESET when
the rotor has been stationary.
No rotor code
- F -
No rotor recognition at start.
No rotor fitted or defective tacho.
-
Perform a MAINS RESET when
the rotor has been stationary.
New rotor identified
rot...
see section rotor identification.
-
Press the key
START
.