Troubleshooting Guide - Cobra CPI 480 Operating Instructions Manual

Troubleshooting Guide

Operation
Troubleshooting Guide
Problem/Symptom Possible Causes
Low output voltage Overload
No output voltage Low input voltage
No output voltage Thermal
after prolonged use shutdown
No output voltage, High input
"Protect" indicator voltage
lighted
No output voltage Short circuit
No power to Blown fuse
inverter
Low battery alarm Poor DC wiring
on all the time
Poor battery
condition
14
•
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.