User guide

55
BUS Over Voltage
Alarm Code:21
Indicates that the UPS
get BUS over voltage
fault because of BUS.
The UPS transfers to
Bypass mode if supporting
the load
BUS Under Voltage
Alarm Code:22
Indicates that the UPS
get BUS under voltage
fault
The UPS transfers to
Bypass mode if supporting
the load
BUS Unbalance
Alarm Code:23
Indicates that the positive
BUS voltage and
negative BUS voltage are
too lopsided to fault
The UPS transfers to
Bypass mode if supporting
the load
BUS Short
Alarm Code:24
Indicates that the BUS
voltage decrease very
fast
Contact your service
representative
BUS Softstart Fail
Alarm Code:25
Indicates that the BUS
could not soft start
successfully
Contact your service
representative
Inv Over Voltage
Alarm Code:32
Indicates that the UPS
get invert over voltage
fault
The UPS transfers to
Bypass mode if supporting
the load
Inv Under Volatge
Alarm Code:33
Indicates that the UPS
get inverter under voltage
fault
The UPS transfers to
Bypass mode if supporting
the load
Inv Softstart Fail
Alarm Code:34
Indicates that the inverter
could not soft start
successfully
Contact your service
representative
Charger Fail
Alarm Code:15
Indicates that the UPS
has confirmed the
charger has failed
The UPS turns off the
charger until the next power
recycle. Contact your
service representative
Battery Over Voltage
Alarm Code:16
Indicates that the battery
voltage is too high
The UPS will turn off the
charger until the battery
voltage is normal
Fatal eeprom Fault
Alarm Code:A3
Indicates that the UPS
could not read eeprom
successfully
Contact your service
representative
Negative power Fault
Alarm Code: E1
In parallel system，power
of UPS is negative
Redundancy mode
，
the fault
UPS turn to fault mode
without output
Increase mode，UPS1&
UPS2 turn to fault mode