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9.4 Brake resistor R1
Wait at least 2 minutes after disconnecting the centrifuge from the mains, until
the intermediate circuit capacitors of the frequency converter are unloaded.
• Remove the two fastening screws.
• Unplug the two cable from the brake resistor.
• Exchange the brake resistor.
9.5 Overtemperature fuse F3
• Remove the two cables from the overtemperature fuse.
• Unscrew the fastening screws.
• Exchange the overtemperature fuse.
9.6 Flat ribbon cable
• Unplug the flat ribbon cable from the power board.
• Disassemble the control board (see section 9.3).
• Unplug the flat ribbon cable from the control board.
• Assemble in reverse order.
9.7 Appliance plug with mains switch
• Press the upper and the lower fastening clip and remove the appliance plug out of
the housing
• Remove the plugs and the earth connection from the appliance plug.
• Remove the fuse holder, see chapter 7.
• Exchange the appliance plug.
9.8 Imbalance switch S2
• Unplug S503 from the power board.
• Remove the to fastening screws.
• Remove the cables at the imbalance switch.
• Exchange the complete imbalance switch.
• After mounting the imbalance switch, adjust it as described in chapter "Imbalance
switch-off".
9.9 Lid lock Y1
• Remove the two fastening screws on the top of the upper housing.
• Unplug the cable from the switch and the solenoid.
• Remove the earth connection from the lid lock.
• Exchange the lid lock.
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