6 Malfunctions and Error Correction
6.1 Error Mode
Malfunctions are indicated by error messages with a number in the speed and rcf
display. If the sound signal is activated, it sounds when the error message is
displayed (see 5.3.8 "Activating/Deactivating the Sound Signal", page 42).
6.2 Error Correction
• Eliminate the source of the problem (see 6.2.1 to 6.2.6, page 43 ff).
• Acknowledge the error messages with the lid key.
6.2.1 No Indication on the Display
− Voltage in the socket? • Check fuse in the mains supply.
− Power cord plugged in and line
voltage present?
• Plug in power cord correctly.
− Fuse OK?
• Switch unit off and let fuses cool down
for approx. 2 min.
− Mains power switch on? • Switch on power.
− Lid closed? • Close lid (see 6.2.4 “Lid cannot be
opened", page 44).
6.2.2 Centrifuge cannot be started
− Start key LED not illuminated: • Power off/on. If the error occurs again,
call the service.
− Lid key LED flashes: • Open and close the lid again. If error
occurs again although both locks are
locked, call the service.
6.2.3 Centrifuge decelerates during Operation
− There was a brief mains power
failure (at least 2 sec), error
message 61
− Centrifuge displays an error from
1 to 11 after powering on.
• Press the start key in order to restart
the centrifuge.
• Power off/on (see 6.2.6 "Error Codes",
page 45). If the error occurs again, call
the service.
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