Troubleshooting Guide - Cobra CPI 150 Operating Instructions Manual

6

TROUBLESHOOTING GUIDE

Problem/
Symptom
Low output voltage
No output voltage
No output voltage
and "fault"
indicator is lit
No output voltage
when load is in
excess of 150 watts
or 1.3 amperes
7
Possible
Causes
Overload
Low input
voltage
Short circuit or
wiring error
High input
voltage
Thermal
shutdown
Solution
Reduce the load.
Recharge battery.
Check connections
and cable.
Check AC wiring for short
circuit or improper polarity.
Make sure the inverter
is connected to a
12 volt battery.
Check regulation of
charging system.
Allow inverter to cool down
Improve ventilation—
make sure ventilation
openings in the inverter
are not obstructed. Lower
ambient temperature.