Countermeasure	Error Solution
Stop the task and do one of the following. - Check if the RS-232C port is set properly. - Check the RS-232C cable connection. - Check the RS-232C board connection. - Check the RS-232C port and execution order specified in the SPEL command. Targets are the commands corresponding to the function name and row number in the system history. See the reference manual for correction instructions.	Stop task