PowerWalker VFI 15000 CPE 3/3 Bedienungsanleitung Seite 29

Bypass mode Description
LCD display
Battery Test Description
LCD display
When input voltage is within acceptable range and bypass is enabled, turn
off the UPS and it will enter Bypass mode. Alarm beeps every two minutes.
When UPS is in AC mode or CVCF mode, press "Test" key for more than 0.5s.
Then, the UPS will beep once and start "Battery Test". The line between I/P
and inverter icons will blink to remind users. This operation is used to check
the battery status.
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