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13. Alarm Sounds
The alarm buzzer emits sound patterns to alert you to failures and error conditions in the
UPS. Check the sound pattern and refer to the following table to for the steps to take.
Sound Pattern
UPS Status
What to Do
This is a mechanical
failure.
Contact your supplier.
During bypass operation
The bypass breaker is
tripped.
Reset the bypass breaker.
See §11.7 “Bypass Breaker Reset”.
Continuous tone
*
The battery is exhausted.
The UPS will restart automatically when
utility power is restored.
Power is being supplied
from the battery because of
an input voltage or
frequency error.
Input the correct voltage or frequency.
The input breaker
MAIN MCCB was set to
“OFF” during inverter
power supply.
Set the input breaker MAIN MCCB to
“ON”.
2 seconds
**
**
**
...
2 beeps 2 beeps 2 beeps
The UPS is performing a
battery check.
Wait for the battery check to end.
You can stop the battery check by
pushing
and holding it for
1 second.
Continuous beeps
********
...
The battery voltage is low.
Input the correct voltage or frequency.
Set the input breaker MAIN MCCB to
“ON”.
1 second 2 seconds
****
****
****
...
The load devices connected
to the output exceed the
rated capacity.
Connected fewer load devices to the
output.
2 seconds
*******
*******
7 beeps 7 beeps
The battery check result
was an error.
The battery must be exchanged.
Contact your supplier.
The battery has reached
half of its service life. The
red BATT.LOW indicator
lights.
A battery exchange is recommended.
Contact your supplier.
You can press
to stop the buzzer
sound.
2 seconds
*****
*****
...
5 beeps 5 beeps
The battery has reached its
service life.
The red BATT.LOW
indicator blinks.
The battery must be exchanged.
Contact your supplier.
You can press
to stop the buzzer
sound and red BATT.LOW blinking, but
they will start again the next time the
UPS is powered on.
This will continue until you exchange the
battery.
Note : Contact your supplier if any other failure occurs in the UPS.
Press
to stop the buzzer sound.