15
Nothing comes close to a Cobra®
14 English
Troubleshooting Guide
Intro Operation Customer
Assistance
Warranty
Notes
Notice
Secondary Icons
Caution Warning
Installation
Operation Specifications
Intro Operation Customer
Assistance
Warranty
Notes
Notice
Secondary Icons
Caution Warning
Installation
Operation
Specifications •
Continuous output power (1 hour) . . . . . . . . . . . . 800W
Surge rating (0.1 second) . . . . . . . . . . . . . . . . . . 1600W
Peak efficiency (12V – 1⁄2 load) . . . . . . . . . . . . . . > 88%
Efficiency (full load, 12V) . . . . . . . . . . . . . . . . . . . > 83%
No load current draw . . . . . . . . . . . . . . . < 0.5A (12.6V)
Output waveform (resistive load) . . . Modified sine wave
Output frequency . . . . . . . . . . . . . . . . . . . . 58HZ – 62HZ
Output voltage . . . . . . . . . . . . . . . . . . . . . . 109V – 120V
Input voltage . . . . . . . . . . . . . . . . . . 10.4VDC – 14.4VDC
Alarm voltage (unload) . . . . . . . . . . . . . . .10.2V – 10.8V
Shutdown voltage (unload) . . . . . . . . . . . . . 9.2V – 9.8V
Operating temperature range . . . . . . . . . . . . 0°C – 40°C
(32°F – 104°F)
Storage temperature range . . . . . . . . . . . . -40°C – 85°C
(-40°F – 185°F)
Protection . . . . . . . . . .Overload, short-circuit, overtemp,
reverse polarity, under/over voltage
Notes
All protection is automatically recovered.
Toprotect the battery, if the unit needs to be restarted
after low voltage protection, the voltage of DC input
should be above 12V.
Toextend the life of the fan, it will stop when there is no
load. The speed of the fan increases as the load increases.
The unit is completely insulated in input and output for
added safety.
Problem/Symptom
Lowoutput voltage
No output voltage
Nooutput voltage
after prolonged use
No output voltage,
“Protect” indicator
lighted
Nooutput voltage
Nooutput voltage
Lowbattery alarm
on all the time
Possible Causes
Overload
Low input voltage
Thermal
shutdown
High input
voltage
Short circuit
Inverter
switched off
No power
to inverter
Reverse
DC polarity
Poor DC wiring
Poor battery
condition
Solution
Reduce the load.
Recharge battery.
Check connections
and cable.
Allow inverter
to cool off.
Reduce load,
continuous
operation input
current required.
Improve ventilation;
Makesure ventilation
openings in the
inverter are not
obstructed.
Reduce ambient
temperature.
Make sure
the inverter is
connected to
12V battery.
Check regulation
of charging system.
Check load for
proper operation.
Turn inverter on.
Check wiring
to inverter.
Observe
correct polarity.
Check
connections.
Make sure battery
is fully charged.
Troubleshooting Guide •