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10025 Internal Fault IDSP SYNC TO Inverter DSP Synchronization Time-out System Severity Level 4 In Grid Connect operation, the software declares a Synchronization Time-out fault if the inverter fails to acquire basic information about the grid voltages within the Grid Acquire Time-out Time. After successful grid acquisition, the software declares a Synchronization Time-out fault if another AC waveform fault is detected, or if DC bus is not precharged by the end of the Grid Synchronization Time-out Time. In Stand-alone Master mode, the software declares a Synchronization Time-out fault if any of the measured AC voltages exceed the Live Voltage Threshold. (This would indicate a grid connection). In Stand-alone Slave mode, the software declares a Synchronization Time-out fault unless the inverter has locked to the angle broadcast on the InterDSP bus by the master, and the measured AC voltages do not exceed the Live Voltage Threshold, by the end of the Bus Synchronization Time-out Time. Symptom Probable Cause Analysis Repair Solution Inverter fails to acquire basic information about the grid voltages within the Grid Acquire Time-out Time Grid is not connected. The Undervoltage faults can also be observed in this situation. Also, the displayed AC voltages should be very small. Check the grid connection, and make sure that the connection is not configured in Stand-alone mode, and the grid breaker is in ON state. Fix grid connec- tion error. The AC undervoltage limit and/or the AC overvoltage limit are wrongly set. Make sure that the Frame PM is pro- grammed properly, and it is sup- ported by the control software being used. Re-program the Frame PM or reset the limits. Open/Loose Connec- tion Check the connection of the cable that connects the port J15 of the DPC Control Board. Tighten cable con- nections Debris or water in package Inspect the DPC Power Board, Con- trol Board and the cables connecting them for any material that could short connections. Clean the DPC Grid quality is too poor. Additional faults, such as Rate of Change of Frequency Fault, Under- voltage, and Underfrequency faults, should also be seen in this situation. Check the quality of the voltage waveform. Reduce the noise injected to the grid by other electric equipment. Faulty DPC Control Board DPC Control Board needs replacing. Replace DPC Con- trol Board Faulty DPC Power Board DPC Power Board needs replacing. Replace DPC Power Board Observe Safety Precautions - Refer to Important Safety Instructions for Details 511521-002 169 Troubleshooting Guide This information is confidential and proprietary to Capstone. Neither this document nor the information contained herein shall be copied, disclosed to others, or used for any purposes other than the specific purpose for which this document was delivered.PDF Image | Overview SERIES 10000 FAULT CODES Inverter Faults
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