Cobra PRO Series User Manual

24 | Page
TROUBLESHOOTING GUIDE
Problem/Symptom Possible Causes on
Low output voltage Overload Reduce the load.
No output voltage Low input voltage
Recharge ba!ery. Check
connec"ons and cable.
No output voltage
a#er prolonged use
Thermal shutdown Allow inverter to
cool off.
Reduce load, con"nuous
opera"on input current
required.
Improve ven"la"on;
make sure ven"la"on
openings in the inverter
are not obstructed.
Reduce ambient
temperature.
No output voltage,
“Protect” indicator
lighted
High input voltage Make sure the inverter
is connected to 12V
ba!ery.
Check regula"on or
charging system.
No output voltage Short circuit
Check load for proper
opera"on.
No output voltage Inverter switched off
No power to inverter
Reverse DC polarity
Turn inverter on.
Check wiring to inverter.
Observe correct
polarity.
Low ba!ery alarm on
all the "me
Poor DC wiring
Poor ba!ery
condi"on
Check connec"ons.
Make sure ba!ery is
fully charged.

Cobra PRO Series Specifications

General

Input Voltage	12V DC
Output Voltage	120V AC
Output Waveform	Modified Sine Wave
Frequency	60 Hz
Model	PRO Series
Continuous Power	1500W
Peak Power	3000W
AC Outlets	2
Cooling	Fan
Protection Features	Overload, Short Circuit
Dimensions	Varies by model
Weight	Varies by model