Flexston MaxiFlex10K, User Manual

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Bypass mode Description 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.
LCD display
Battery Test Description 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.
LCD display
Fault status Description When UPS has fault happened, it will display fault messages in LCD
panel.
LCD display
3-9. Fault Code
Fault event Fault code Icon Fault event Fault code Icon
Bus start failure 01 None Negative power fault 1A None
Bus over 02 None Battery SCR short circuited 21 None
Bus under 03 None Inverter relay short circuited 24 None
Bus unbalance 04 None Parallel communication
failure
35 None
Inverter soft start failure 11 None Parallel output current
unbalance 36 None
High Inverter voltage 12 None Over temperature 41 None
Low Inverter voltage 13 None CPU communication failure 42 None
Inverter output short circuited 14
Overload
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