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Troubleshooting Reference
975-0057-01-01 5-3
Overload
shutdown
Appliance power
requirements exceed
the capability of the
XPower Powerpack.
Unplug the appliance and confirm
that the appliance’s power
requirement is 320 W or less before
attempting to restart the appliance.
Over-
temperature
shutdown
Inverter has
overheated due to poor
ventilation or
excessively warm
environmental
conditions.
Turn off the AC Outlet On/Off
switch, and let the XPower
Powerpack cool down.
Alarm sounds Internal battery is
nearly discharged.
(11.0 V).
If you ignore this
warning, the XPower
Powerpack
automatically switches
off when the battery
reaches 10.5 V.
Turn the AC outlet ON/OFF switch
OFF and recharge the XPower
Powerpack.
Measured AC
output voltage
is too low.
Use of an
average-reading, AC
voltmeter to read
output voltage.
Battery is almost fully
discharged.
The modified sinewave (MSW)
output of the XPower Powerpack
requires a true RMS reading meter,
such as the Fluke 87 series, for
accurate measurement.
Press Display Function button to
verify battery status and recharge the
XPower Powerpack as necessary.
“Battery Charge %” reading on the
digital display is only accurate when
the XPower Powerpack has been
disconnected from all appliances and
all charging sources for fifteen
minutes.
Table 5-1
Troubleshooting reference
XPower 400 Powerpack Plus.book Page 3 Thursday, October 20, 2005 12:58 PM