119
unless the upper monitor can remove the blank by themselves.
7.6 Common communication fault
Common communication faults: no response to the communication or the inverter returns abnormal fault.
The possible reason for no response to the communication:
Selecting wrong serial interface, for example, if the converter is COM1, selecting COM2 during the
communication
The baud rate, digital bit, end bit and check bit are not the same with the inverter + and - of RS485 are
connected in reverse.
The 485 wire cap on the terminal board of the inverter is not plug in. the wire cap in behind the terminal
arrangement.