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TROUBLESHOOTING CONT.
PROBLEM
WARNING
Line Abnormal
Output Short
Over Temperature
Cold Start Lock
Auto Restart Lock
Bypass Forbidden
FAULT
Over Charge
Charger Failure
High O/P V
Low O/P V
Bus Fault
PRODUCT REGISTRATION
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.)
POSSIBLE CAUSE
Utility power is out of range for the
UPS to auto-restart.
Output short circuit.
High temperature sensor activated
protection.
UPS is locked to prevent consuming
battery power during shipping.
"Automatic Restore" is disabled
in Power Management Software
(PowerPanel® Business Edition).
Manual Bypass Forbidden when the
LCD screen shows "Generator On" or
"Converter On."
Battery is overcharged.
Charger has failed.
Output voltage is too high.
Output voltage is too low.
Internal DC bus voltage is too high or
too low.
SOLUTION
Check whether voltage or frequency
of input power is out of range.
The connected equipment may have
problems, please remove them and
check again.
Check the fan for operation and verify
that ventilation is not obstructed.
Connect UPS to utility power
for first-time operation.
Press "ON/OFF" button to turn
UPS on.
Slide the Interlock Bracket to the
right. (Only for UPS models with a
Maintenance Bypass Module)
Remove battery connector and check
charger voltage.
Contact CyberPower for assistance.
Shut down UPS and turn o input
breaker.
Contact CyberPower for assistance.
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