Njoy Balder Series User Manual page 19

• Battery Test
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.
• Fault status
When UPS has fault happened, it will display fault messages in LCD panel.
LCD display
LCD display
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