Troubleshooting - YASKAWA SI-232/J Technical Manual

7 Troubleshooting

7 Troubleshooting
Problems with the option interface may trigger an operator error.
Refer to the J1000 Technical Manual for all other errors.
◆
Fault
LED Operator
Display
Cause
LED operator is
not properly
connected to the
drive or cables are
damaged
20
YASKAWA ELECTRIC TOBPC73060032A RS-232C Interface Technical Manual
oPr Digital operator connection fault
• Check the connection between the LED
operator and the drive
• Replace the cable if damaged
• Turn off the drive input power and
disconnect the LED operator
• Next reconnect the operator and turn the
drive input power back on
Fault Name
Possible solution