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6. TROUBLE SHOOTING
Symptom
No LED indication on the
front panel display.
Alarm buzzer beeps
continuously when mains
supply is normal.
When the power failures,
back-up time is shorten.
Mains power is normal, but
the yellow LED is flashing.
If any abnormal situations occur that are not listed above, please contact immediately the client service.
6
Possible cause
1. The battery is weak.
2. Battery fault.
3. The power switch is not pressed.
Overload of the UPS.
1. Overload of the UPS.
2. The battery voltage is too low.
3. Battery fault because of too high
operating temperature, or because of
malfunction of the battery.
The Power cord is loose.
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BUDGET PRO series 650-2200VA - UPS
Solution
1. Charge the battery during 8 hours.
2. Replace the battery with a new one of
same type.
3. Press the power switch (again).
Verify if the connected load is in accordance
with the denoted performance (see
specifications).
1. Remove some non-critical loads.
2. Charge the battery during 8 hours or more.
3. Replace the battery with a new one of
same type.
Reconnect the power cord properly and
firmly.
www.visionups.com
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