Troubleshooting Reference
Troubleshooting Reference
WARNING: Electrical Shock and Burn Hazard
Do not dismantle the Prowatt 1000. It does not contain any
Table
Problem | Possible Cause | Solution |
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Low output voltage (96 Vac– | You are using a voltmeter that | Use a true RMS reading voltmeter. |
104 Vac) | cannot accurately read the |
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| RMS voltage of a modified |
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| sine wave. |
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Low output voltage and the | Overload | Reduce the load. |
AMPS indicator is in the red |
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area. |
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No output voltage and the | Low input voltage | Recharge the battery; check the |
VOLTS indicator is in the |
| connections and cable. |
lower red area. |
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No output voltage; no voltage | The inverter is off. | Turn the inverter on. |
indication. | No power to the inverter. | Check wiring to the inverter. |
| Inverter fuse open. | Have a qualified service technician |
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| check and replace the fuse if necessary. |
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| Have a qualified service technician |
| Reverse DC polarity. | check and replace the fuse, making |
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| sure to observe correct polarity. |
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No output voltage and the | High input voltage. | Make sure the Prowatt 1000 is |
VOLTS indicator is in the |
| connected to a 12 V battery. |
upper red area. |
| Check the voltage regulation of the |
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| charging system. |
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Low battery alarm stays on | Poor DC wiring; poor battery | Use proper cable and make solid |
and the voltage indicator is | condition. | connections. Charge the battery. Install |
below 11 V. |
| a new battery. |
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