CPS325SL
Guaranteed Uninterruptible Power System
9
TROUBLE SHOOTING
Problem
Possible Cause
Solution
Full-time surge
protection outlets
stop providing
power to equipment.
Circuit breaker has
tripped due to an
overload.
Turn the UPS off and unplug at least one
piece of equipment. Wait 10 seconds,
reset the circuit breaker by depressing
the button, and then turn the UPS on.
Battery not fully
charged.
Recharge the battery by leaving the UPS
plugged in.
The UPS does not
perform expected
runtime.
Battery is slightly
worn out.
Contact CyberPower Systems about
replacement batteries at
The on/off switch
is designed to
prevent damage
by 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
110/120v 60Hz outlet.
The battery is
empty results from
long time storage.
Recharge the battery at least 24 hours.
Please leave the unit plugged into an AC
outlet and don’t turn on the power switch.
The unit will charge in off position.
The battery is
worn out.
Contact CyberPower Systems about
replacement batteries at
The UPS will not
turn on.
Mechanical prob-
lem.
Contact CyberPower Systems at
The serial cable is
not connected.
Connect the serial cable to the UPS unit
and an open serial port on the back of the
computer. You must use the cable that
came with the unit.
The serial cable is
connected to the
wrong port.
Check the back of the computer for an
additional serial port. Move the cable to
this port.
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.
PowerPanel™ is
inactive (all icons
are gray).
The serial cable is
not the cable that
was included with
the UPS unit.
You must use the serial cable that was
enclosed with the unit for the software
and unit to be able to communicate.
Additional troubleshooting information can be found at
www.cyberpowersystems.com