Troubleshooting

Table 5-1 Troubleshooting Reference

Problem

Possible Cause

Solution

 

 

 

No output voltage and the

High input voltage

Make sure the XPower Plus is

INPUT VOLTAGE DISPLAY

 

connected to a 12 V battery.

indicates above 15 V. Fault

 

 

LED is on.

 

Check the voltage regulation of the

 

 

charging system.

 

 

 

Low battery alarm stays on

Poor DC wiring; poor battery

Use proper cable size and lengths and

and the voltage indicator is

condition

make solid connections.

below 10.7 V.

 

Charge the battery.

 

 

 

 

Install a new battery.

 

 

 

No output voltage.

Thermal shutdown

Allow the unit to cool off. Reduce the

Fault LED is on.

 

load if continuous operation is

 

 

required.

 

 

Improve ventilation. Make sure the

 

 

inverter’s ventilation openings are not

 

 

obstructed.

 

 

Reduce the ambient temperature.

 

Unit overload

Reduce the load.

 

Output is short circuited.

Remove the short circuit.

 

 

 

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