Failure detection
FAILURE DETECTION
POWER FAILURE
VISUAL FAILURE DETECTION:
• Check the LED on the UPS.
• When the system is powered the LED in the front panel of the screen is immediately
switched on.
AUDIBLE ALARMS
The UPS has an audible alarm feature to inform you about potential power problems. When
the alarm is activated the UPS beeps in different intervals according to a particular condition.
Alarm Cause Action
Power on Indicator is
not on. UPS does not
start.
The line cord is not connected
Connect the line cord to the
UPS.
Electrician test.
UPS operates in Battery
mode only.
A circuit breaker or input fuse is open
Turn off the UPS, reduce the
load and push the circuit
breaker.
UPS does not provide
the back up time
Plug the UPS into a wall outlet
for 24 hours.
UPS beeps 1 time every
4 seconds
Or the UPS is running on battery
power because the line voltage is too
high or low.
Extend the input/output
voltage range with the DIP
switches.
The battery is running low
2 to 5 minutes remains.
Prepare a shut down.
Plug the UPS into a wall outlet
for 24 hours.
The battery is weak and
should be replaced
Battery replacement required.
The battery is weak and
should be replaced