4-4
Troubleshooting
EMERGENCY ACCESS
If the facility power fails, the centrifuge will resume operation when
power is restored and the rotor will return to set speed. In the event
of an extended power failure, it may be necessary to trip the door-
locking mechanism manually to remove the rotor and retrieve your
sample.
!
WARNING
The following procedure may expose the
operator to the possibility of contact with
a spinning rotor. Turn the power off and
disconnect the centrifuge from the main
power source before proceeding. Never
attempt to override the door interlock
system while the rotor is spinning.
Action
Result
1. Press the POWER switch
to OFF (O) and unplug
the power cord from the
power source.
No indicators are lit.
2. Make sure that the rotor
is not spinning.
No sound or vibration comes from the centrifuge.
3. Move the secondary latch
lever to UNLOCK.
4. Insert a 4-mm (
5
/
32
-inch)
internal hex wrench into
the access opening in the
centrifuge side panel (see
Figure 4-1).
