Technical information

Section 9
Trouble Shooting
Problem Possible Cause Remedy
UPS does not turn ON. The ON/OFF switch is OFF. Switch ON the ON/OFF switch.
UPS input circuit Fuse open or Remove the load on UPS, Switch Off the UPS & Insert /
missing. replace the fuse by one of the same type and rating.
UPS operates on battery * Very high or very low voltage Test if the input voltage is out of range
even though line voltage (input voltage must be within of the specified AVR.
exists. specified range). or has too much distortion.
* Distorted / Improper input voltage.
* AC Fuse Blown. Also Check the AC Fuse. Replace if Blown.
UPS beeps intermittently Normal UPS operation but no None, the UPS is
at regular intervals. mains voltage present. protecting the load.
UPS buzzer has constant tone, UPS overloaded. Remove the excessive load. Switch OFF power knob.
and mains voltage is present. Then switch ON the UPS.
UPS buzzer has constant tone, UPS is overloaded Remove mains power cord. Switch OFF power knob.
and mains voltage is not present. or short circuit in battery mode. Remove the excess load & switch ON the UPS .
UPS does not provide expected The UPS 's battery is weak Charge the battery for 8~12 hours. If the backup is
backup time. due to recent usage and a insufficient after recharging, Battery may need
short recharge time or replacement.
battery lifetime is ending.
UPS Storage : When the UPS is not to be used for a long time, the UPS should be charged by connecting to mains power supply for at least 4-5
hours. Disconnect the UPS from mains power, cover & store the UPS keeping upright in a cool, dry place. During long time
storage, the battery must be charged after every 3 months. Store the UPS covered and placed upright in a cool, dry place.
Disconnect all the cables connected to the UPS to avoid unnecessary discharge of the battery. Make sure that the UPS is
switched OFF.
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