Lowell power UPS9A Series, User & Installation Manual

Page: 28 / 37

©2021 Lowell Manufacturing Co. UPS9A Series (X-Rev 8/13/20) Pg. 28
3-7. Faults Reference Code
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
3-8. Warning indicator
Warning Icon (flashing) Code Alarm
Low Battery Sounding every 2 seconds
Overload Sounding every second
Over input current Sounding 2 beep every 10 seconds
Battery is not connected Sounding every 2 seconds
Over Charge
Sounding every 2 seconds
Site wiring fault
Sounding every 2 seconds
EPO enable Sounding every 2 seconds
Over temperature Sounding every 2 seconds
Charger failure Sounding every 2 seconds
Battery fault
Sounding every 2 seconds
(At this time, UPS is off to remind users
something wrong with battery)
Out of bypass voltage range Sounding every 2 seconds
Bypass frequency unstable Sounding every 2 seconds
Battery replacement Sounding every 2 seconds
EEPROM error Sounding every 2 seconds
NOTE: “Site Wiring Fault” function can be enabled/disabled via software. Please check software manual for
the details.