Falcon FN2-4.5K-2TXI, Installation & User Manual

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Installation & User Manual Falcon Electric, Inc.
FN2 Series OM480051 Rev.: E
33
Troubleshooting
WARNING: Error Codes may require user to shut down and restart the UPS. MBS can be
used to power the critical load while the UPS restart is taking place.
Connected equipment may need to be turned off to prevent damage in case of a critical
UPS failure.
1. If there is a serious abnormal condition, the UPS will lock itself in the “OFF” position as
shown in figure B.
2. After three seconds all messages will be locked except both Bypass indicators (LED
and LCD ) and Utility indicators (LED and LCD ). If the Bypass or
Utility is abnormal after the UPS is locked, the related LED or will be off and
the related LCD symbol or will appear.
3. To release the UPS lock, proceed as follows:
a. Note the error code.
b. Check the error messages in troubleshooting guide for help with the problem.
c. Press the Off button for five seconds. A buzzer will sound twice.
d. Turn Off the Utility Input breaker.
4. Shutoff
a. Press the Off button for five seconds. The Inverter output will be turned off,
and the output load will be supplied by the Bypass loop. The LCD will display
figure B.
b. Turn Off the Utility Input breaker.
i. The UPS is now turned off.