Problem Possible Cause Solution
Warning
O/P Overload
Your equipment requires more power than the
UPS can provide. If the UPS is in Line Mode
then it will transfer to Bypass Mode; if the UPS is
in Battery Mode it will shutdown.
Shut off non-essential equipment. If this solves
the overload problem, the UPS will transfer to
normal operation.
Battery Mode UPS is operating on battery power.
Save your data and perform a controlled-
shutdown.
Battery Low
UPS is operating on battery power and will be
shutting down soon due to extremely low battery
voltage.
UPS will restart automatically when acceptable
utility power returns.
BAT Disconnected/
Battery Replace
Missing battery power.
Check battery connector when use battery
packages.
UPS has failed in Battery Test. Contact technical support to replace the battery.
Charger Failure Charger has failed.
1. Shut down UPS and turn off AC input.
2. Contact CyberPower for repair.
Fault
Over Temperature High ambient temperature.
1. Shut down UPS. Restart UPS to Check the
fan for operation and if the ventilation hole has
been covered
2. Contact CyberPower for repair.
Output Short Output short circuit.
1. Shut down UPS
2. Your attached equipment may have problems,
please remove them and check again.
High O/P V Output voltage is too high.
1. Shut down UPS
2. Contact CyberPower for repair.
Low O/P V Output voltage is too low.
Bus Fault Internal DC bus voltage is too high or too low.
Other
Startup fail High temperature, or fan fail, or battery low.
1. Restart UPS and view the warning event.
Then refer to the solution for the warning.
2. Contact CyberPower for repair.
CyberPower Systems Inc.
www.cyberpower.com
6F, No. 32, Sec. 1, Chenggong Rd., Nangang District, Taipei 115, Taiwan
Entire contents copyright
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2017 CyberPower Systems Inc., All rights reserved. Reproduction in whole or in part without
permission is prohibited. PowerPanel
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