User Manual

Copyright © 2016 CyberPower Systems, Inc.
10
DURING SHUTDOWN
The following table shows each corresponding warning message on LCD display and the alarm reacts
during the machine shutdown (output-off):
LCD Warning
Display
Alarm Condition Solution
Constant
tone
Overload in line mode.
Turn the UPS off, unplug at least
one piece of equipment from battery
outlets, wait 10 seconds, reset the
circuit breaker and turn the unit on.
Constant
tone
Overload in battery mode.
Turn the UPS off, unplug at least
one piece of equipment from battery
outlets, wait 10 seconds, reset the
circuit breaker and turn the unit on.
(Flashing)
Rapid Beep
(30
seconds)
Battery missing in line
mode.
Turn the UPS off. Check battery
wiring and the presence of the
battery. Press the Display toggle
button to stop the alarm.
Beep twice
every 30
seconds
Utility Failure. The UPS is
in battery mode.
Wait for the recovery of utility or try
other AC power source. Pressing
the Display toggle button for 2
seconds can enter slient mode.
Rapid Beep
(every 1/2
second)
Utility Failure. The UPS is
in battery mode and will
run out of power shortly.
Recharge the battery.
AFTER SHUTDOWN
The following table shows the information about the error codes on LCD display after the machine
shutdown (output-off). The LCD will show the message till the UPS runs out of battery.
ERROR TYPE ERROR CODE POSSIBLE CAUSE
Line Mode Error E01 Battery Overcharge Charger broke down
System Error
E21 Output Short
UPS/connected devices short circuit
Output voltage detector broke down
Inverter fault
E22 Output Overload Too many connected devices
The Error code appears with Fault icon and a constant tone. Slightly press the Display toggle button once,
the constant beep will be cancelled.
To solve the problems, please refer to TROUBLESHOOTING section or contact CyberPower Systems at
tech@cpsww.com for further help and support.
FAULT
WARNING DISPLAY AND ALARM