7 troubleshooting, Fault – Yaskawa RS-232C Interface User Manual

Page 21

YASKAWA ELECTRIC

TOBPC73060032A RS-232C Interface Technical Manual

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

Fault Name

oPr

Digital operator connection fault

Cause

Possible solution

LED operator is
not properly
connected to the
drive or cables are
damaged

• 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