SmartPower DSS1500RT-TBF User Manual - page 22
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8. Trouble Shooting
8.1 Audible Alarm Trouble Shooting
Indication
Cause
Solution
Sounding every 4 seconds
The UPS is on battery mode
Check the input voltage
Sounding every Second and
“bATL” on screen
The battery voltage is low
Save your work and turn off your equipment
Sounding every second and
“OVLD” on screen
Output overload
Check load level indicator and remove some load
Continuously sounding and red
display
The UPS fails
Please contact your local dealer
8.2 General Trouble Shooting
Problem
Cause
Solution
The UPS can't be turned on
when power switch is pressed
Internal fuse may be broken
Please contact your local dealer
UPS is on and no power to load
Output jumpers is not connected
correctly
Check output jumpers
No power on LS1 and LS2 output
receptacle
Check if the LS1 and LS2 are set up from "001 to
000".
Backup time is short
Battery is empty
Re-charge the battery at least 24 hours
Battery aging
Replace Battery
Continuously sounding and
display turn to red
The UPS fails
Please contact your local dealer
Buttons does not work
The setting mode is not a right path please see right configuring method
Button is broken
Please contact your local dealer
SITE
No protective ground or L/N reverse Check input power cord