Xantrex Technology 175 PLUS - Manual (Page 39)

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Measured inverter output is too low.
Alarm is sounding.
Possible Cause Suggested Remedy
A standard “average-reading”
AC voltmeter has been used to
measure output voltage, resulting
in an apparent reading 5-15 volts
too low.
For accurate measurement, the
XPower modified sine wave output
requires a “true RMS” voltmeter for
accurate measurements.
The battery voltage is too low. Recharge the battery.
Possible Cause Suggested Remedy
Low voltage shutdown or
thermal shutdown has occurred.
Shorten cables or use heavier
cables. Recharge battery. Allow unit
to cool. Improve air circulation
around unit. Locate units in a cooler
environment. Reduce load if
continuous operation is required.