Cover Interlock Bypass; Fuses Not Replaceable By Operator - Fisher Scientific MARATHON 3000 Operation Manuals

5.3

Cover Interlock Bypass

5.4

Fuses not replaceable by operator

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The cover will remain locked, if power fails. If you need to
remove samples from the unit, before power is restored, use
the cover interlock bypass, after the rotor has come to a
stop.
To bypass the cover interlock:
1. Unplug the centrifuge.
2. Locate the hidden plastic plug, underneath the front
ledge of the cabinet.
3. Use a screwdriver to pry out and remove the plug.
4. Pull the attached cord, to release the cover interlock.
5. Replace the plug in the hole.
Do not perform this operation routinely. The centrifuge's
cover interlock provides operator safety. It allows the
cover to be opened promptly, whenever rotation has
stopped.
The following fuses are located internally within the
centrifuge on the power PC board. They should only be
replaced by qualified service personnel.
F1 10A Type F Fast Blow
F2 1A
F3 1A
MARATHON Series Operation Manual
39
250V
Fast Blow 250V
Fast Blow 250V