VANNER
Incorporated
Owner’s Manual
VTS Series 1500Watt 15 True Sine Wave Inverter/AC transfer Switch
9. Troubleshooting
Problems and
Symptoms
Possible Cause
Solutions
No AC Power “Output”
STATUS illuminates the LED
a. Power status light is
blinking fast.
Over input voltage.
(OVP)
Check input voltage
Reduce input voltage.
b. Power status light is
Blinking slowly.
Low input voltage.
(UVP)
Recharge battery.
Check connections
and cables.
c. Power status light is
blinking Intermittently.
Thermal shutdown.
(OTP)
Improve ventilation.
Make sure ventilation,
shafts of the inverter
are not obstructed.
Lower ambient
temperature.
d. Power status light is
glowed steadily.
Short circuit.
Wiring error.
Over Loading (OLP)
Check AC wiring
for short circuit.
Reduce load.
10. Maintenance:
Very little maintenance is required to keep the inverter operating properly. Clean the exterior periodically with
a damp cloth to prevent accumulation of dust and dirt. Verify DC connections are all clean and tight.
