IDEX Health & Science VS-606V7 Series - Manual (Page 120)

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A setting range check and matching check for the written-in parameters are executed
after the parameters are written from the digital operator to the inverter. If any
parameter error is found, the written parameters are discarded and the parameters
stored before writing are restored.
When a setting range error is found, the parameter No. where an error occurs is
indicated by blinking.
When a matching error is found, … ( …: a number) is indicated by blinking.