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10005 Internal Fault IDSP IPM MODULE Inverter Intelligent Power Module (IPM) Fault System Severity Level 4 Hardware circuit protection is provided in the IPM device to detect overcurrent, under voltage, and over temperature conditions. The software declares an IPM fault when any of these circuits is not operating properly. Symptom Probable Cause Analysis Repair solution Inverter 3-phase IPM Module fault is detected. The utility grid exper- ienced a very big distur- bance, which caused either overcurrent or overvoltage/under-volt- age faults to the IPM module. This happens in the Grid Connect mode. The DPC controller 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 system. 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 this fault and/or AC overcurrent faults. Adjust the soft- start parameters. Overload Overload can cause the Intelligent Power Module (IPM) fault and AC overcurrent faults. Adjust the load. Load transients Some faults such as short circuits in the load can cause the IPM failure and/or AC overcurrent faults. Fix the problem existing in the load DC bus voltage reached the hardware limits. (900V) Both the inverter IPM fault and the generator IPM fault should be detected in this situation. One main reason to have this fault is the gener- ator brake overtemperature. Excess off-load operations can cause the brake overtemperature fault. Increase the time between each off- load operation. Inverter 3-phase IPM is damaged DPC needs replacing Replace the whole DPC assembly. Observe Safety Precautions - Refer to Important Safety Instructions for Details Troubleshooting Guide 158 511521-002 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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