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Troubleshooting
5–4
No output voltage and the
INPUT VOLTAGE DISPLAY
indicates above 15 V. Fault
LED is on.
High input voltage Make sure the XPower Plus is
connected to a 12 V battery.
Check the voltage regulation of the
charging system.
Low battery alarm stays on
and the voltage indicator is
below 10.7 V.
Poor DC wiring; poor battery
condition
Use proper cable size and lengths and
make solid connections.
Charge the battery.
Install a new battery.
No output voltage.
Fault LED is on.
Thermal shutdown
Unit overload
Output is short circuited.
Allow the unit to cool off. Reduce the
load if continuous operation is
required.
Improve ventilation. Make sure the
inverter’s ventilation openings are not
obstructed.
Reduce the ambient temperature.
Reduce the load.
Remove the short circuit.
Table 5-1 Troubleshooting Reference
Problem Possible Cause Solution