YASKAWA MECHATROLINK-II SI-T3 Technical Manual

Also see for SI-T3 MECHATROLINK-II A1000 Series: Installation manual Technical manual Installation manual Installation manual

9 Troubleshooting42 YASKAWA SIEP C730600 86F MECHATROLINK-II Technical Manual◆ Drive-Side Error CodesDrive-side error codes are shown on the drive keypad. These tables list causes of the errors and possible solutions:Refer to the drive Technical Manual for additional error codes that may appear on the drive keypad.■ FaultsbUS [Option Communication Error], E5 [MECHATROLINK Watchdog Timer Error], and EF0 [Option CardExternal Fault from the option] can appear as an alarm or as a fault. When a fault occurs, the keypad ALM LEDstays lit. When an alarm occurs, the ALM LED flashes.If communication stops while the drive is running, answer these questions to help fix the problem:• Did you correctly install the option?• Did you correctly connect the communication line to the option? Is it loose?• Is the PLC program working? Is the controller/PLC CPU stopped?• Did a momentary power loss interrupt communications?Code Name Causes Possible SolutionsbUS Option Communication Error The drive did not receive a signal from thecontroller.Faulty communications wiring• Check for wiring errors.• Correct the wiring.An existing short circuit or communicationsdisconnection Check disconnected cables and short circuits and repair as neededA data error occurred due to electric interference • Prevent noise in the control circuit, main circuit, and groundwiring.• If you identify a magnetic contactor as a source of noise,install a surge absorber to the contactor coil.• Use only recommended cables or other shielded line. Groundthe shield on the controller side or the drive input power side.• Separate all communication wiring from drive power lines.Install an EMC noise filter to the drive power supply input.• Counteract noise in the master controller (PLC).Option is damaged If there are no problems with the wiring and the error continues tooccur, replace the option.Connection Time-out • The option Requested Packet Interval (RPI) timer timed out• Make sure that RPI time is set properlyDuplicate Station Address Check if the option shares Station Address with at least one othernode. Check the setting values of F6-20 [MECHATROLINKStation Address].E5 MECHATROLINK WatchdogTimer ErrorThe drive detected a watchdog circuit exceptionwhile it received data from the controller.Check the MECHATROLINK cable connection. Check for wiringand how to counteract noise according to the following manualsby MECHATROLINK Members Association.• MECHATROLINK-II Installation Guide, MMATDEP011EF0 Option Card External Fault An external fault was received from the PLC. 1. Remove the cause of the external fault2. Reset the external fault input from the PLCA programming error occurred on the controllerside.Check the PLC program.PLC is in the Idle Mode. 1. Set the PLC to the Run Mode. 2. Set the parameter F6-54 = 0(Enabled) to ignore errors while the PLC is in the Idle Mode.oFA00 Option Card Connection Error(CN5-A) The option card installed into port CN5-A is notcompatible with the drive. Connect the option to the correct option port.• Note: Use connector CN5-B when connecting DO-A3, AO-A3, or two PG options. Use connector CN5-C whenconnecting only one PG option.To use other options, refer to those option manuals.oFA01 Option Card Fault (CN5-A) The option connected to option port CN5-A waschanged during run.1. De-energize the drive.2. Connect the option to the correct option port.oFA03, oFA04 Option Card Error (CN5-A) A fault occurred in the option. 1. De-energize the drive.2. Make sure that the option is correctly connected to theconnector.3. If the problem continues, replace the option.oFA30 tooFA43 Option Card Connection Error(CN5-A) A fault occurred in the option. 1. De-energize the drive.2. Make sure that the option is correctly connected to theconnector.3. If the problem continues, replace the option.oFb00 Option Not Compatible with Port The option card installed into port CN5-B is notcompatible with the drive. Connect the option to the correct option port.• Use connector CN5-B when you connect DO-A3, AO-A3, ortwo PG options. Use connector CN5-C when you connect onlyone PG option.To use other options, refer to those option manuals.