8. TROUBLESHOOTING GUIDE
TABLE 1 - inverter power switch turned on
TROUBLE/ INDICATION POSSIBLE CAUSE SUGGESTED REMEDY
No AC output – DC input below 10 volts Recharge or replace
red LED lit battery
No AC output – Excessive appliance Reduce load-wait for
red LED lit load-thermal shutdown inverter to cool. Turn
OFF, then turn ON
No AC output – Inverter input fuse open Check fuse and wiring.
Green LED not lit Repair and replace fuse.
Low battery alarm Bad connection or wiring Tighten all DC
sounds continuously connections
Low battery Low battery voltage Recharge battery.
alarm sounds Remove load from
inverter while recharging
battery
Motorized power tool Excessive start-up load
If appliance does not start,
won’t start
then appliance is drawing
excessive wattage and
will not work w/inverter
Motorized power tool Purely inductive load Make the load not purely
does not operate at inductive. Operate an
correct speed incandescent lamp at
same time as motor
Television/radio Snow in picture, buzz Keep inverter and
interference in speaker antenna distant from
each other. Use shielded
antenna cable. Connect
antenna to amplifier
9. FUSE REPLACEMENT
If external fuses blow, (or breakers trip), then there is a short or overload in the DC
wiring. Find and fix the problem before replacing the fuses (or resetting the breaker).
After fuse replacement, reconnect the inverter.
This power inverter is equipped with multiple internal fuses. Normally, these fuses
will not blow unless there is a serious problem inside the unit. Internal fuses are
replaceable, however, only electronically knowledgeable people should attempt fuse
replacement. If the unit is damaged during fuse replacement, the warranty may be
voided. Vector recommends contacting Technical Support for guidance. Based on
experience, it is best to return the unit to Vector for repair. Vector Technical Support
can be reached by calling toll free 866-584-5504. You may also contact us by visit-
ing our website@www.vectormfg.com.
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