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10025 Internal Fault IDSP SYNC TO Inverter DSP Synchronization Time-out System Severity Level 4 This fault relates to the Inverter time-out on synchronization of the outputs in MultiPac systems. 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 Subordinate 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 Timeout 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 config- ured in Stand Alone mode, and the grid breaker is in ON state. Fix grid connection error. The AC Under- voltage limit and/or the AC Overvolt- age limit are wrongly set. Make sure that the Frame PM is programmed properly, and it is supported by the control software being used. Reset the limits Re-program the Frame PM Open/loose connection Check cable connections from UCB-J4 to ECM-J12 and ECM-J6 to LCM-J6. Tighten cable connections Debris or water in package Inspect the LCM Power Board, Control Board, and the cables connecting them for any material that could short connections. Clean the LCM Grid quality is too poor. Additional faults, such as Rate of Change of Frequency Fault, Undervoltage, and Under- frequency faults, should also be seen in this situation. Check the quality of the voltage waveform. Reduce the noise injected to the grid by other electrical equip- ment. Continued on next page Observe Safety Precautions - Refer to Safety Instructions for Details 430013-001 Rev C (July 2003) 11-18 Model C60 Troubleshooting Guide This information is proprietary to Capstone Turbine Corporation. 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. Capstone reserves the right to change or modify without notice, the design, the product specifications, and/or the contents of this document without incurring any obligation either with respect to equipment previously sold or in the process of construction.PDF Image | Overview SERIES 10000 FAULT CODES Inverter Faults
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