Complex Precision Machining Components Stand Dragon Industrial Co., Ltd. , https://www.standdragontw.com
1, it reported F026 operation startup, the performance of the fault can not be reset <br> <br> drive pulse is lost, the current Z self-test alarm, the driving circuit of the original multi-channel performance of a single ceramic sheet poor, the IGBT trigger damage, resistance increases. Peripheral motor short circuit, ground fault will cause fault alarm.
2, switched on the alarm F026, press the P key can not be reset <br> <br> this case, mainly in the machine to stop after a few days, they reported on the production of electric power on, due to the harsh environment, lack of maintenance, environmental moisture, easy Tide, too much circuit board dust, resulting in short circuit components, I want to make more than parallel resistance, resulting in false alarm detection circuit, usually processing methods, remove the machine, remove dust, dehumidification. Basically 80% failure is eliminated. If the circuit board is supplied with plus or minus 15 voltages, it will be reported when the drive is not working.
3, CUVC circuit detection chip damage will alarm F026, can be eliminated by alternative methods.
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In energy-saving inverters, Siemens 6SE70 inverter series, start alarm F026 when running, or power alarm F026, sometimes can be reset after reset, or press the P key can not reset, Siemens 6SE70 inverter alarm F026 F026 fault detection circuit is Sampling by the driver, fed back to the CUVC board via the optocoupler, the small signal current detection circuit automatically protects and blocks the pulse. Summarize some experiences based on maintenance examples, analysis of faults and simple on-site exclusion are for reference only.