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Troubleshooting reference
This section describes problems, their symptoms, possible causes, and
solutions.
Problem: The AC load will not operate. Digital display is off.
Problem: The inverter will run some small loads, but not larger ones.
Possible Cause
Solution
Battery is defective.
Check battery and replace if required.
The inverter has been connected
with reverse DC input polarity.
Check connection to battery.
The inverter has likely been damaged and
needs to be repaired.
Have the unit repaired (not covered under
warranty).
Loose cable connections.
Check cables and connections.
Tighten as required.
Vehicle’s lighter socket or 12 V
outlet fuse is blown.
Replace the fuse with a similar one as
recommended in your vehicle’s manual and
follow the section, “Connecting for loads
over 150 W”, if your AC product is rated
more than 150 watts.
Possible Cause
Solution
Voltage drop across DC cables.
Shorten cables or use heavier cables.
Duracell_Digi_400.book Page 24 Friday, August 31, 2007 3:24 PM