5
SPECIFICATIONS
MODEL
CAPACITY
Input Voltage
Input Voltage Range
Output Voltage Regulation
Transfer Time
Waveform
Battery Type & No
Charging Time
Dimension (DxWxH)
Net Weight (kgs)
Humidity
Noise Level
*Specifications are subject to change without notice.
6
TROUBLESHOOTING
Problem
Nothing is displayed
on LCD panel.
The UPS always
on battery mode.
The UPS continuously beeps.
Backup time too short.
If any abnormal situations occur that are not listed above, please call for service immediately.
Line Interactive UPS|ST850VA / 1200VA / 1500VA
ST850
850VA / 510W
12V/9Ah x 1
288 x 99 x 280 (mm)
7.8
Less than 40dB @ 1 meter
Possible Cause
The UPS is not on.
Battery voltage is too low.
Battery fault.
Power cord loose.
Please check the fault code for the details.
Battery voltage is too low.
Overload.
Battery defect.
ST1200
1200VA / 720W
220/230/240 VAC
162∼268VAC/170∼280VAC/177∼290VAC
± 10 % (Bat. mode)
Typical 6 ms, max. 10 ms
Simulated Sine Wave
12V/9Ah x 2
6-8 hours recover to 90% capacity
410 x 99 x 280 (mm)
11.1
0-90% RH @ 0-40°C non-condensing)
<40dB @ 1 meter
Press the power switch again to turn on the UPS.
Charge the battery at least 6 hours.
Replace the battery.
Re-plug the power cord.
Please check the fault code for the details.
Charge the battery at least 6 hours.
Remove some unnecessary loads. Before
reconnecting equipment, please verify that the load
matches the UPS capability specified in the specs.
Replace the battery.
ST1500
1500VA / 900W
12V/9Ah x 2
410 x 99 x 280 (mm)
12
Less than 45dB @ 1 meter
Solutions