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UPS Is Off Due to Unknown Reason and Its Trouble Shooting
If there is a serious abnormal condition occurred, the UPS will lock it itself in “OFF” position as
shown in drawing AA and a abnormal message will show on the LCD screen.
AA
* It shows the UPS is locked.
After 3 seconds, all messages will be locked except Bypass messages(LED & LCD ). In case
the Utility is abnormal after the UPS is locked, the LED will be extinguished and the LCD
will be shown on the LCD screen.
To release the UPS lock, please proceed the followings:
Check those error messages recorded.
Check Section 9 to solve the problem. Otherwise, consult your local distributor for service.
Press Off key pad for 5 seconds and buzzer will sound twice.
Switch the input circuit breaker (F1) to “OFF” position.
The UPS lock problem is solved now, but you shall contact with your Local distributor to make
sure the error message shown is solved.
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