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12. Assembling and disassembling components
Before assembling and disassembling components the following steps must be
executed:
• Open the lid
• Remove the rotor
• Disconnect the centrifuge from mains
12.1. Front panel
• Remove the three fastening screws at the lower edge of the front panel and
lift the front panel up.
• Unplug all cable from the back side of the control panel.
12.2. Control board (CP) A4
• Remove the front panel (see section 12.1 )
• Remove the two fastening bows
• Press the four fasting clips and press-out the control board.
• exchange the control panel
12.3. EPROM at Control board
• Remove the front panel ( see section 12.1 )
• Pull the EPROM carefully out of IC-socket.
• Pay attention to the polarity of the EPROM when installing.
• Do not bend the IC-pins.
Before touching the EPROM ensure that your own static electricity is
discharged.
• Replace the EPROM.
12.4. Speed sensor B3 (speedometer)
• Remove the to fastening screws of the motor hood
• Unscrew speed sensor (speedometer) from upper end plate of motor.
• Remove the front panel ( see section 12.1 ).
• Unplug plug number X4 from Supply board A1.
• Remove the cable fixtures at the motor
• Replace speed sensor (speedometer).
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