Always refer to the table in Chapter 8 of the SDC20 manual before replacing the controller.

When using long communication cables (up to 15m for RS-232C), always connect the shield line to the FG (frame ground) terminal to minimize signal noise.

Every service engineer memorizes the error code page. Here are the most critical ones from the official manual:

Specific to models C20 and C21 for networking and data exchange.

Yamatake Sdc20 User Manual

Always refer to the table in Chapter 8 of the SDC20 manual before replacing the controller.

When using long communication cables (up to 15m for RS-232C), always connect the shield line to the FG (frame ground) terminal to minimize signal noise.

Every service engineer memorizes the error code page. Here are the most critical ones from the official manual:

Specific to models C20 and C21 for networking and data exchange.

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