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English
User’s Manual IUPS-401-B8
Failure:
USB interface temporary disabled in UPSilon
Possible cause:
USB cable maybe is fastened on AC cabling.
Interference on AC main disrupts the USB connection.
Possible countermeasure:
Lay USB cable at least 5 cm from the mains wiring.
Failure:
Although connected to the mains, the UPS output
does not switch through
Possible cause:
Battery deeply discharged or defective
Possible countermeasure:
The UPS charges the battery and releases the output after
charging. The battery may need to be replaced.
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