User's Manual

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.
5-2. Maintenance
Very little maintenance is required to keep your inverter operating properly.
You should clean the exterior of the unit periodically with a damp cloth to pre-
vent accumulation of dust and dirt. At the same time, tighten the screws on the
DC input terminals.
5-3. Warranty
We guarantee this product against defects in materials and workmanship for
a period of 24 months from the date of purchase and will repair or replace
any defective power inverters if you directly returned them to us with
postage paid.
Please note that Cotek is only responsible for ensuring our products are
operational before delivering. This warranty will be considered void if the
unit has been misused, altered, or accidentally damaged. Cotek is not liable
for anything that occurs as a result of the user’s fault.
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