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YASKAWA
TOBP C730600 24A V1000 Option CANopen Installation Manual
8 Fault Diagnosis and Possible Solutions
8
Fault Diagnosis and Possible Solutions
◆
Drive-Side Error Codes
Drive-side error codes appear on the drive LED operator. Causes of the errors and
Possible Solutions are listed in Table 6. For additional error codes that may appear
on the LED operator screen, refer to the instruction manual for the drive.
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Faults
bUS (CANopen Option Communication Error) and EF0 (External Fault Input from
the CANopen Option) may appear as an alarm or a fault. When a fault occurs, the
digital operator LEDs remain lit. When an alarm occurs, the digital operator LEDs
flash and the “ALM” light illuminates
If communication stops while the drive is running, check the following items:
• Is the CANopen Option properly installed?
• Is the communication line properly connected to the CANopen Option? Is it
loose?
• Is the controller program working? Has the controller CPU stopped?
• Did a momentary power loss interrupt communications?