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39
TROUBLESHOOTING CONT.
PROBLEM
POSSIBLE CAUSE
SOLUTION
WARNING
Line Abnormal
Utility power is out of range for the
UPS to auto-restart.
Check whether voltage or frequency
of utility power is out of range.
Output Short
Output short circuit.
Your attached equipment may have
problems, please remove them and
check again.
Over Temperature
High temperature sensor activates
protection.
Check the fan for operation and if the
ventilation hole has been covered.
Cold start Lock
UPS is locked to prevent consuming
battery power during shipping.
Connect UPS to utility power for
first-time operation.
Auto restart Lock
“Automatic Restore” is disabled
in Power Management Software
(PowerPanel® Business)
Press “ON/OFF“ button
to turn on UPS
Bypass Forbidden
Manual Bypass Forbidden when the
LCD screen shows “Generator On” or
“Converter On”.
Slide the Interlock Bracket to the
right. (For the Maintenance Bypass
Module only)
FAULT
Over Charge
Battery is overcharged.
Remove battery connector and check
charger voltage.
Contact CyberPower for assistance.
Charger Failure
Charger has failed.
High O/P V
Output voltage is too high.
Shut down UPS and turn off input
breaker.
Contact CyberPower for assistance.
Low O/P V
Output voltage is too low.
Bus Fault
Internal DC bus voltage is too high or
too low.
CyberPower requests that you complete and return the Warranty Registration Card enclosed with the
Product or register the Product at its website (www.cyberpowersystems.com/registration) to establish that
you are the Initial Customer of the Product, and therefore entitled coverage under the Limited Warranty
and the Connected Equipment Guarantee. (Registration is not required for coverage, but note: if you do not
register your purchase, you will be required to provide proof of purchase.)
PRODUCT REGISTRATION