Cobra CPI 480 - Troubleshooting Common Issues

14
Troubleshooting Guide
Operation
Problem/Symptom
Low output voltage
No output voltage
No output voltage
after prolonged use
No output voltage,
“Protect” indicator
lighted
No output voltage
No power to
inverter
Low battery alarm
on all the time
Possible Causes
Overload
Low input voltage
Thermal
shutdown
High input
voltage
Short circuit
Blown fuse
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;
Make sure 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.
Replace fuse.
Check
connections.
Make sure battery
is fully charged.
Troubleshooting Guide
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