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4. DAILY MAINTENANCE AND PERIODIC INSPECTION AND MAINTENANCE
4.3 Replacement Methods
II - 32
(2) Extension card
Always turn the control unit power OFF before replacing the extension card.
(1) Confirm that the control unit power is OFF. (If the power is not OFF, turn it OFF.)
(2) Disconnect all cables connected to the extension card's connectors.
(3) Open the card puller on the extension card outward, and pull the card out.
Hold the card puller section, and take care not to touch the PCB.
(4) Replace with a new card. Align the card with the extension slot rails, and press into the back.
(5) Correctly connect all cables that were connected.
Extension card
Card puller
Control unit
CAUTION
Incorrect connections could cause device damage, so always connect the cables to the
designated connectors.
Do not replace the extension PCB while the power is ON.
Do not connect or disconnect the cables connected between each unit while the power
is ON.