CPI User Manual for Lithium Ion Online UPS
04/22v.1
Page 21
3-6. Operating Mode Description
Operating mode
Description
LCD display
Online mode
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 online mode. .
ECO mode
Energy saving mode:
When the input voltage is within voltage regulation range, UPS
will bypass voltage to output for energy saving. The UPS will
also charge the battery at ECO mode.
Frequency
Converter mode
When input frequency is within 40 Hz to 70 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.
Battery mode
When the input voltage is beyond the acceptable range or pow-
er failure, the UPS will backup power from battery and alarm is
sounding every 5 seconds. .
Bypass mode
When input voltage is within acceptable range but UPS is over-
load, UPS will enter bypass mode or bypass mode can be set
by front panel. Alarm is sounding every 10 seconds.
Standby mode
UPS is powered off and no output supply power, but still can
charge batteries.
Fault mode
When a fault has occurred, the ERROR icon and the fault code
will be displayed.
Fault event
Fault code
Icon
Fault event
Fault code
Icon
Bus start fail
01
x
Battery voltage too high
27
x
Bus over
02
x
Battery voltage too low
28
x
Bus under
03
x
Charger output short
2A
x
Inverter soft start fail
11
x
Over temperature
41
x
Inverter voltage high
12
x
Overload
43
Inverter voltage Low
13
x
Charger failure
45
x
Inverter output short
14
x
Over input current
49
x
3-7. Faults Reference Code