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4. Try a different TV. Different models of TV sets vary greatly in their
susceptibility to interference.
Troubleshooting Reference
Table 3-1
Troubleshooting Reference
Problem Possible Cause Solution
AC Product will not operate,
red FAULT light is on.
Product rated more than
1350 W, safety overload
circuit has tripped.
Use an AC product with a power rating
less than 1350 W.
Product rated less than
1350 W, high starting surge
has tripped overload.
AC product may exceed XPower
1500’s surge capability. Use an AC
product with starting surge power
within the unit’s surge rating.
Battery pack is discharged
(alarm is sounding).
Turn off all AC and DC products and
recharge battery pack.
XPower 1500 has overheated
due to poor ventilation.
Turn AC Outlets Switch OFF and
allow unit to cool for 15 minutes.
Remove objects covering ventilation
areas, then restart.
Run time is less than
expected.
XPower 1500 battery pack is
not fully charged.
Recharge using AC charger until
Recharge Indicator is green.
AC product power
consumption is higher than
expected.
Check AC product power or “wattage”
rating (or current draw for DC
accessories) and compare with tables
in “Battery Operating Times” on
page 2–11.
Measured voltage at AC
Outlets is too low.
Use of standard “average”
reading AC voltmeter to read
output voltage.
“Modified-sine wave” output of
XPower 1500 requires “true RMS”
reading meter, such as Fluke 87 series
multimeter, for accurate measurement.
Battery pack is almost
“empty”.
Check Battery Level Indicator and
recharge battery pack as needed.
Charging light is OFF when
AC Charger is connected.
No AC power at wall outlet. Ensure power is available at wall
outlet.