GC COM plug fix - S5-GC(50-60)

Modified on Mon, 13 Nov 2023 at 01:42 PM

Check the voltage between pins 3 and 4 on the inverter side of the 16-pin COM plug, if the voltage is greater than 5V do the COM connection in the BAD PLUG orientation (ie. pin 11 is COM1-RS485A and pin 12 is COM1-RS485B).

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