4.Replacement and Adjustment
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2. Remove the bracket [A]. (hook×2)
3. Remove the IOB (PCB17) [A].
4. Remove the NVRAM [A] from the old IOB (PCB17) and attach it to the new IOB (PCB17).
• Install an NVRAM [A] so that the indentation [B] on the NVRAM corresponds with the
mark on the IOB (PCB17). Incorrect installation of the NVRAM will damage both the IOB
(PCB17) and NVRAM.
IOB (PCB17) (P 800/801)
1. Remove the controller box. (Controller Box (P 800/801))
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