If the UPS system does not operate correctly, use the table below to troubleshoot the problem.
7. Troubleshooting guide
For further assistance, please contact us at tech@forzaups.com
UPS mode
LCD
Description
When the UPS is overloaded, the unit
beeps every 0.5 second to warn about
such condition
Overload in battery
mode
The icon is displayed on the
screen
Fault condition
LCD
Solution
Disconnect short-circuited
loads and restart the UPS
The output is short circuited
Remove all connected loads
and restart the UPS
Overload fault
Call for technical assistance
immediately
Overcharge
Please replace the battery
Defective or severely
discharged battery
Call for technical assistance
immediately
High output voltage
1. Turn off and wait for the unit
to cool
2. Or remove excessive loads
and wait for the unit to cool
Over-temperature
The icon is displayed when
battery level is low
When the UPS is in battery mode and
battery voltage begins to dwindle, the unit
will beep once every 10 seconds. Also when
the LCD is touched, the information will be
displayed in the following order:
1. Output voltage
2. Input voltage
3. Load level
4. Battery capacity
Battery mode
8. Technical specifications
MPN
SL-1501UL
SL-2001UL
General
Input
Output
Battery
Voltage regulation
Frequency regulation
Frequency regulation
Alarms/Indicators
Protection
Capacity
1500VA / 900W
2000VA / 1200W
12V / 9Ah (2)
64 min
**
Nominal voltage
Voltage range
Frequency
AC plug style
120V
81-145VAC
45-65Hz (autosensing)
NEMA 5-15P
Nominal voltage
Frequency
Frequency stability
Waveform
Total outlets
Full battery with surge
protection outlets
Surge protection only
outlets
USB management
Battery type and quantity
Backup time
Recharge time
Transfer time
Low line transfer to battery
High line transfer to battery
Full protection
Joules
Visual indicators
Audible tone
120V +/- 10%
50/60Hz
+/- 1Hz battery mode
Modified sine wave
8 (NEMA 5-15R)
6
2
Included with ForzaTracker software
145V +/-5%
Vin x 1.18
Vin x 0.85
2-4ms
81VAC
145VAC
Easy to read touchscreen LCD with blue backlight that displays input
voltage, output voltage, battery capacity, load level, and UPS status
Battery mode: Sounds every 10 seconds
Low battery: Sounds every second
Overload: Sounds every 0.5 second
Fault: Sounds continuously
Voltage regulation, overload, discharge and overcharge protection
1000J
Included
6 hours to 90% after complete discharge
Voltage regulation
Boost
Buck
Automatic frequency
selection
78 min
**
