SCP System • Replacing components
32 CP_SEM_60-00-00.002
CPU board (ZKR 9910)
Removal of the CPU board is necessary in the following cases:
◗ For removal of the display board ZPA 9908
◗ For replacement in the event of error messages that indicate a defect in this board (e.g. E01, E03 … E06)
Fig. 15: Dismantling the CPU board
◗ Unplug the connectors.
➜ A 33 (Shaft angle encoder connection)
➜ A 35 and A 36 (flow sensor board current supply)
Note: Mind the polarity of the current supply to avoid confusing the plugs during reassembly.
➜ A 31 (CAN/24V connection) and A 35 (drive unit connection)
◗ Unscrew the four screws indicated (Allen key size 2.5) including the washers.
◗ Carefully pull the board straight upwards. Ensure that the contacts of the connector A 27 (display
board) are not bent.
Then replace the board in the opposite order.
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