Chapter 4 Disassembly / Assembly and Adjustment
4.2 Removal / Replacement
4-100
REP18.2 (SCC) PWBA MCU (PL18.2.2)
[Removal]
Do not replace the PWBA MCU and PWBA ESS at the same time.
When replacing them at the same time, an error occurs and the machine does not work properly.
When replacing them, replace or check the PWBA ESS first and turn on, and then turn off and replace the
PWBA MCU.
Replacing the PWBA MCU, perform the NVM saving (Save NVM to ESS) before removal to save the
machine data to the PWBA ESS ( refer 6. NVM Settings - Save NVM to ESS).
Always wear a wrist band during servicing the PWB for protect from the damage by the static electricity.
1 Open the KIT MSI COVER.
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