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NVRAMs on the controller board
Replacement and Adjustment
Replacement and Adjustment
Replacement and Adjustment
Referring to the following procedure, be sure that there are no mistakes in the mounting position and orientation of the NVRAMs.
SC195 (Machine serial number error) will be displayed if you forget to attach the NVRAM.
If you mounted the NVRAM in the wrong direction, each component needs to be replaced because a short circuit was caused in the controller board and the NVRAM.
Correspondence table
Position | Label on the board | Label on the NVRAM | |
[A] | Upper | FRAM2 | 2M-2 |
[B] | Lower | FRAM1 | 2M-1 |