-26-
HIGH
Battery over
voltage
Battery is over
charged
Switching to battery
mode automatically, and
after the battery voltage
is normal and the mains
is normal, the UPS would
Switch to line mode
automatically again.
bLOW
Battery low
Battery voltage is
low
When audible alarm
sounding every second,
battery is almost empty.
bOPN
Battery open
Battery pack is not
connected correctly
Do the battery test to
confirm.
Check the battery bank
is connected to the UPS.
Check the battery
breaker is turn on.
CHGF
Charge fail
The charge is
broken
Notify dealer.
dCHF
Digital bigger
charger fail
The charge is
broken
Notify dealer.
bUSH
Bus high
UPS internal fault
Notify dealer
bUSL
Bus low
UPS internal fault
Notify dealer
bSFT
Bus soft start fail
UPS internal fault
Notify dealer
bUSS
Bus short
UPS internal fault
Notify dealer
TEPH
Inverter
temperature high
Inside temperature
of the UPS is too
high
Check the ventilation of
the UPS, check the
ambient temperature.
ITPH
Inner Ambient
temperature high
The ambient
temperature is too
high
Check the environment
ventilation.
INVH
Inverter high
UPS internal fault
Notify dealer
INVL
Inverter low
UPS internal fault
Notify dealer
ISFT
Inverter soft start
fail
UPS internal fault
Notify dealer
NTCO
Inverter NTC open
UPS internal fault
Notify dealer