Yaskawa JVOP-181 USB Copy Unit - Manual (Page 11)

4 Components and Functions
YASKAWA ELECTRIC TOBP C730600 25D JVOP-181 Technical Manual 11
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Option LED Display
Below is a list of meanings for the various LED combinations on
the option.
COM ERR Meaning
ON
<1> After properly setting all unit parameters, connect the option
and press and hold the Read button for one second to save
parameter settings to the option.
<2> Make sure the cable is properly connected.
<3> Replace the option.
ON
Lights for 0.5 seconds when the power is first
switched on
ON OFF Normal operation
Flashing OFF
Data is being exchanged between the unit and
the option
OFF Flashing
No parameters have been saved to the option
<1>
OFF OFF Cable is not properly connected <2>
OFF ON Indicates an error in the option <3>