YASKAWA Z1000 Technical Manual
Also see for Z1000 CIMR-ZU*A Series: Programming manualProgramming manualQuick start guideTechnical manualUser manual
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11 Troubleshootingu Drive-Side Error CodesDrive-side error codes appear on the bypass digital operator. Causes of the errors and corrective actions are listed below. Referto the drive manual for additional error codes that may appear on the bypass digital operator.n FaultsBoth FB12 (option communication fault) and EF0 (option external fault) can appear as a fault. When a fault occurs, the digitaloperator 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 to help 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 NameEF0 Option Card External FaultThe alarm function for an external device has been triggered.Cause Possible SolutionsAn external fault was received from the PLCand F6-03 is set to a value other than 3.• Remove the cause of the external fault.• Remove the external fault input from the PLC.Digital Operator Display Fault NameFb12Option Communication Error• The connection was lost after establishing initial communication.• Only detected when the run command, frequency reference, HOA select, or Drive/Bypass select isassigned to option card. (Z1-07 = 3, Z1-08 = 3, Z1-38 = 2, or Z1-39 = 2)Cause Possible SolutionMaster controller (PLC) has stoppedcommunicating• Check that power is supplied to the PLC• Check that PLC is not in program modeCommunication cable is not connectedproperly• 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 absorber to the contactor coil• Make sure the cable used meets requirements• Make sure the option ground wire is connected between option FE terminal and the drive groundterminal connected to earth groundThe option is not properly connected to thedrive. Reinstall the option.Option is damaged If there are no problems with the wiring and the error continues to occur, replace the option.Connection Time-out • The option Requested Packet Interval (RPI) timer timed out.• Make sure that RPI time is set properly.Duplicate IP Address Check if the option shares IP Address with at least one other node.Check the setting values of F7-01 to F7-04 (IP Address).11 Troubleshooting50 YASKAWA SIEPYAICOM25 Rev: A0 Z1000 Bypass Option PROFINET SI-EP3 Technical Manual |
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