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23

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 "  ").
Fault
Display
No display
---
Tacho error
- 1 -
System reset
- 2 -
Balance error
- 3 -
Communication
- 4 -
Overload
- 5 -
Overvoltage
- 6 -
Undervoltage
- 8 -
Overspeed
- 7 -
Excess temperature
- 9 -
Version error
A number is
displayed in
the time
indicator.
Controller watchdog
- C -
Lid error
- d -
Short circuit
- E -
No rotor code
- F -
New rotor identified
rot...
46/104
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.)
The rotor is unevenly loaded.
Fault in control unit or power unit.
Motor or motor control defective.
Supply voltage outside tolerance (see
Technical Data).
Fault in the power unit.
Excess temperature switch in motor has
triggered.
Incorrect machine version set, control
unit jumps into Setting menu.
Fault in control unit.
Error in lid locking or lid closure.
Short circuit in control unit / power unit.
No rotor recognition at start.
No rotor fitted or defective tacho.
see section rotor identification.
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 100
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.
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.
-
Set the number 4 using the
-
keys underneath the time indicator.
Press the key
to save the
-
STOP
setting.
Perform a MAINS RESET.
-
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.
Press the key
.
-
START
is

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