DEFINITIONS FOR LED INDICATORS & AUDIBLE ALARMS
Additional troubleshooting information can be found at “Support” at www.CyberPowerSystems.com
* LED will flash when UPS alarm is beeping.
TROUBLESHOOTING
Problem
Possible Cause
Solution
Full-time surge protection outlets stop
providing power to equipment. Circuit
breaker button is projecting from the
side of the unit.
Circuit breaker has been tripped due to
an overload.
Turn the UPS off and unplug at least one
piece of equipment. Reset the circuit
breaker by depressing the button, and
then turn the UPS on.
The UPS does not perform
expected runtime.
Battery not fully charged.
Recharge the battery by leaving the UPS
plugged in.
Battery is worn out.
Contact CyberPower Systems about
replacement batteries at: cyberpower-
systems.com/support.
The UPS will not turn on.
The on/off switch is designed to prevent
damage from rapidly turning it off and
on.
Turn the UPS off. Wait 10 seconds and
then turn the UPS on.
The unit is not connected to an AC
outlet.
The unit must be connected to a 120V
60Hz outlet.
The battery is worn out.
Contact CyberPower Systems about
replacement batteries at: cyberpower-
systems.com/support.
Mechanical problem.
Contact CyberPower Systems at:
cyberpowersystems.com/support.
The frequency is beyond 47-63Hz
Turn the UPS off. Make sure the frequen-
cy range is within 47-63Hz. Or you can
turn on with battery mode.
PowerPanel® Personal is inactive
(all icons are gray).
*except for ST425
The USB cable is not connected.
Connect the USB cable to the UPS unit
and an open USB port on the back of
the computer.
The USB cable is connected to a bad
USB port.
Check for a different USB port and plug
the cable in.
The unit is not providing battery power.
Shutdown your computer and turn the
UPS off. Wait 10 seconds and turn the
UPS back on. This should reset the unit.
POWER
ALARM
CONDITION
On
Off
Normal
On*
Beep
twice every
30 seconds
Utility Failure -
Battery Mode –
The UPS is providing power to battery
power-supplied outlets from its battery.
On*
Rapid
beeping every
1/2 second
Utility Failure -
Low Battery –
The UPS is providing battery power. Rapid
beeping indicates the unit will run out of power soon.
Off
Constant tone
Overload –
Occurs when connected equipment exceeds the rating of battery
outlets of the UPS. Turn the UPS off, unplug at least one piece of equipment
from battery outlets, reset the circuit breaker and turn the unit on.
On
Constant tone
Utility Failure –
The frequency is beyond 47-63Hz. The UPS will not turn on
in line mode.