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10014 Internal Fault Inverter Overcurrent Phase A System Severity Level 2 10015 Internal Fault Inverter Overcurrent Phase B System Severity Level 2 10016 Internal Fault Inverter Overcurrent Phase C System Severity Level 2 IDSP OC A IDSP OC B IDSP OC C Overcurrent protection prevents application of excessive stress to the Intelligent Power Module (IPM). The software declares an AC overcurrent fault when phase A, B or C current inputs exceed the Overcurrent Limit for any one sample. An automatic recovery is attempted after an overcurrent. Symptom Probable Cause Analysis Repair Solution Phase A, B or C current reading is higher than the AC Overcurrent limit. Open/loose connection Check the ECM to LCM cable. Tighten cable connections The utility grid experienced a very large disturbance, which caused overcurrent to the Inverter This happens in the Grid Connect mode. The LCM can ride through short period grid transient without reporting any fault. However, prolonged grid transient will cause the inverter overcurrent and/or IPM faults. After the grid becomes normal, restart the sys- tem. The soft-start parameters are not set properly. This happens in the Stand Alone mode. Trying to start induction motors without proper settings of the soft-start parameters can cause AC overcurrent faults and/or IPM faults. Adjust the soft-start parameters. Overloads Overloads can cause the IPM fault and AC overcurrent faults. Adjust the load. Load transients Some faults, such short circuits, in the load can cause the AC over- current and/or IPM faults. Fix the problem exiting in the load The AC Over- current limit is wrongly set. Make sure that the LCM PM is programmed properly, and it is supported by the control software being used. Re-program the LCM Control Board PM. Faulty LCM Control Board Circuitry on LCM Control Board has failed Attempt a LCM Control Board PM upload. Replace LCM Control Board. Faulty LCM Power Board Circuitry on LCM Power Board has failed. Attempt a LCM Control Board PM upload. Replace LCM Power Board. Observe Safety Precautions - Refer to Safety Instructions for Details 430013-001 Rev C (July 2003) 11-12 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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