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2010 Internal Fault INV IGBT DPC Sensed Inverter IGBT Failure System Severity Level 5 This fault is declared when the DPC Control Board senses a malfunction of the Inverter Isolated Gate Bipolar Transistor (IGBT) module. Symptom Probable Cause Analysis Repair Solution Inverter IGBT Fault Status indicates fault Low Power Supply Voltage Inadequate voltage to IPM power sup- ply will cause no voltage provided to IGBTs Determine why adequate voltage is not applied. Refer to Fault Code 3019. Failed IPM Power Supply IPM Power supply board lights are not illuminated when larger than 11.5 volts is being applied. Refer to Fault Code 10005. Ground Wiring Refer to the Installation Manual for proper grounding configuration. Correct electrical wiring configuration Shorted Loads Verify the external loads do not have a phase to neutral or phase to ground shorted. Disconnect loads and start system in the Stand Alone mode. Fix problem with the loads Inverter IGBT Shorted Measure the resistance from DC (+) to each leg of the IGBT, and from each leg to DC (-) to determine if a short circuit exists. Check internal diodes in IGBT module. Replace Power Board Battery Voltage Missing (Stand Alone) Verify the DC bus voltage is present. Check battery DC bus connections. Correct DC bus problems Battery Voltage too Low (Stand Alone) Check battery voltage Re-charge the battery pack Observe Safety Precautions - Refer to Important Safety Instructions for Details 430001-001 Rev A (Apr 2002) 37 Troubleshooting Guide Capstone Turbine Corporation reserves the right to change or modify without notice the design, the equipment 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 1000 FAULT CODES Control Board Faults
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