YASKAWA v1000 Installation Manual

Also see for PROFINET V1000: Technical manual Setup Quick start guide Quick start guide Technical manual

Contents

12 Troubleshootingu Drive-Side Error CodesDrive-side error codes appear on the drive digital operator. Causes of the errors and correctiveactions are listed below. Refer to the drive manual for additional error codes that may appearon the drive digital operator.n FaultsBoth bUS (Option Communication Error) and EF0 (Option Card External Fault) can appearas an alarm or as a fault. When a fault occurs, the digital operator ALM LED remains lit.When an alarm occurs, the ALM LED flashes.If communication stops while the drive is running, use the following questions as a guide tohelp remedy the fault:• Is the option properly installed?• Are the communication lines properly connected to the option? Are the wires loose?• Is the controller program working? Has the controller/PLC CPU stopped?• Did a momentary power loss interrupt communications?Digital Operator Display Fault NamebUSOption Communication Error• The connection was lost after establishing initial communication.• Only detected when the Run command or frequency reference is assigned tothe option (b1-01 = 3 or b1-02 = 3).Cause Possible SolutionMaster controller (PLC) hasstopped communicating• Check that power is supplied to the PLC• Check that PLC is not in program modeCommunication cable is notconnected properly• Check for faulty wiring• Correct any wiring problemsA data error occurred due to noise• Check the various options available to minimize the effects of noise• Counteract noise in the control circuit, main circuit, and ground wiring• If a magnetic contactor is identified as a source of noise, install a surge absorberto the contactor coil• Make sure the cable used meets requirements• Make sure the option ground wire is connected between option FE terminaland the drive ground terminal connected to earth groundOption is damaged If there are no problems with the wiring and the error continues to occur, replacethe option.12 TroubleshootingYASKAWA TOEP YAICOM 15A V1000 Option Dual-Port EtherNet/IP SI-EN3D/V Installation Manual 45