The following table describes typical alarm conditions.
Table 19. Typical Alarm Conditions
Fault
Cause
Solution
The “INPUT” letters on
LCD display flashes
Anti-connection of mains live
and neutral or mains is out
of range
Re-connect the input power cable and make a
correct connection
Battery capacity
indicator flashes
Battery low voltage or
battery disconnected
Check UPS battery, connect battery orderly, if
battery damaged, replace it
Mains normal, but UPS
has no input
UPS input breaker open
circuit
Press the breaker for reset
Short back up time
Battery not fully charged
Keep UPS connecting with mains power for
more than 8 hours, recharge battery
UPS overload
Check the usage of loads, remove some
redundant devices
Battery aged
When replace battery, contact franchiser to
get battery and relative assembly
UPS doesn’t startup after
pressing the ON key
Didn’t press the combination
keys of “on”
Press the two keys at the same time
UPS has no battery
connected or battery voltage
low and too many loads
connected
Connect UPS battery well, if battery voltage
low, please turn off UPS and remove some
loads, then start UPS
Fault occurs inside UPS
Contact supplier for servicing
The icon of charger
status on LCD display
flashes and buzzer beeps
once per second
Charger doesn’t work
normally or battery aged
Contact supplier for servicing
The following table describes typical faulty conditions.