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Bypass yellow LED is on, the buzzer beeps once every 2 minutes . The warning red
LED is on when beeping, LCD displays are according to the exact load and battery
capacity.
Turn to bypass mode under the following two conditions:
① Turn off the UPS in line mode while start the bypass output.
② Overload in line mode.
NOTE: When UPS is working in bypass mode, it has no back up function.
4.5.2 Line mode
LED indications on front panel in line mode are as following: The inverter green LED is
on.
When input AC mains is in line with the working conditions, UPS will work in line
mode.
4.5.3 Battery mode
LED indications on front panel in battery mode are as following: both the inverter
green LED and battery yellow LED are on, the buzzer beeps once every 4 seconds.
The warning red LED is on when beeping.
When the mains power down or instable, UPS will turn to battery mode at once.
4.5.4 ECO mode
LED indications on front panel on ECO mode are as following: both the inverter green
LED and bypass yellow LED are on.
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