Troubleshooting
Table 1 Troubleshooting Reference
Problem | Possible Cause | Solution |
|
|
|
No output voltage. Fault Light is on. | Low input voltage | Recharge the battery; check the connections |
|
| and cable. |
| High input voltage | Make sure the inverter is connected to a 12 V |
|
| battery. |
|
| Check the voltage regulation of the charging |
|
| system. |
| Thermal shutdown | 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. |
| Unit overload | Reduce the load. Make sure the load does not |
|
| exceed the inverter’s output rating. |
| Output is short circuited. | Remove the short circuit. |
|
|
|
Low battery alarm stays on. | Poor DC wiring; poor battery condition | Use proper cable size and lengths and make |
|
| solid connections. |
|
| Charge the battery. |
|
| Install a new battery. |
|
|
|
18 | XPower Inverter 1500 Owner’s Guide |