When you turn on the AC switch, the voltage and frequency display in the upper right corner of the storage power supply screen is abnormal and the power supply unit can not be used, which may be due to an internal failure. If your power supply has the following problems, please follow the steps in this article to troubleshoot and solve the problems.
Phenomenon: After the AC switch is turned on, the voltage and frequency display in the upper right corner of the screen is abnormal (not in accordance with the standard), and the power supply device cannot be used.
Please follow the steps below to deal with the output problem.
Step: Check the energy storage power supply display
Under normal circumstances after turning on the AC switch, the switch's green indicator light is lit and the upper right corner of the stored energy power supply display should correctly display the voltage and frequency (100V/60Hz). If there is no display or the display is abnormal, first reset the device, and then turn on the AC switch again, observe whether the screen display is normal, if there is no change, it can be judged as an internal fault.
Treatment: Contact customer service personnel for after-sales maintenance.
Remarks: To reset the device, long press the DISPLAY(POWER)+USB(DC) key combination. The reset method is slightly different for different models, please refer to the instruction manual.
Translated with www.DeepL.com/Translator (free version)
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