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Troubleshooting
Error
Behavior of the
centrifuge
Display "OPEN"
Start impossible.
appears al-
though lid is
closed .
Message "Lid"
Drive stops.
appears in the
Rotor coasts to rest.
display.
50
Possible cause(s) and measures to be taken
A) Lid not properly closed
Press the front of the lid firmly down.
B) Overtemperature protection of the motor has been trig-
gered.
1. Pull mains plug.
2. Check and clean if necessary the ventilation slots underneath
the instrument.
3. You may restart the instrument after 20 min.
If the safety circuit is triggered again, you must call our Service.
A) Lid was opened manually during the run.
1. Press the lid shut again. The instrument stops without braking.
2. If you want to continue the run, you must switch the instrument
off and on again..
B) Overtemperature protection of the motor has been trig-
gered.
1. Pull mains plug.
2. Check and clean if necessary the ventilation slots underneath
the instrument.
3. You may restart the instrument after 20 min.
If the safety circuit is triggered again, you must call our Service.
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