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3-7. Operating Mode/Status Description
Operating mode/status
AC mode
Description
LCD display
CVCF mode
Description
LCD display
Battery mode
Description
LCD display
Bypass mode
Description
LCD display
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When the input voltage is within acceptable range, UPS will
provide pure and stable AC power to output. The UPS will also
charge the battery at AC mode.
When input frequency is within 46 to 64 Hz., the UPS can be set
at a constant output frequency, 50 Hz. or 60 Hz. The UPS will
still charge battery under this mode.
When the input voltage is beyond the acceptable range or
power failure, UPS will provide backup power from battery and
alarm will beep every 4 seconds.
When input voltage is within acceptable range and Bypass is
enabled, turn off the UPS to enter Bypass mode. Alarm beeps
every two minutes.
Battery Test
Description
When UPS is in AC mode or CVCF mode, press 'Test' key for
more than 0.5 sec. Then the UPS will beep once and start
'Battery Test'. The line between I/P and Inverter icons will
blink to remind users on the battery status. This operation is
used to check the battery status.
LCD display
Fault status
Description
When UPS becomes faulty, it will display fault messages in the
LCD panel.
LCD display
3-8. Fault Code
Fault event
Fault code
Icon
Fault event
BUS start failure
01
None
Inverter output short circuited
BUS over
02
None
Negative power fault
BUS under
03
None
Battery SCR short circuited
BUS unbalance
04
None
Inverter relay short circuited
Inverter soft start failure
11
None
Over temperature
High Inverter voltage
12
None
CPU communication failure
Low Inverter voltage
13
None
Overload
Charger fail fault
3-9. Warning Indicator
Warning
Icon (flashing)
Battery low
Overload
Battery unconnected
Over charge
EPO enable
Fault code
Icon
14
1A
None
21
None
24
None
41
None
42
None
43
45
None
Alarm
Beeps every second
Beeps twice every second
Beeps every second
Beeps every second
Beeps every second
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