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| Troubleshooting | |
| Table | Fault Messages |
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| Fault |
| Fault |
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| Number | Message | Type | Cause | Solution | |
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| F7 | Too many AC loads. | Escalating | AC Overload (PEAK | Clear the fault and attempt | |
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| Turn some off, clear | Auto Fault. | CURRENT) Shutdown | restart. Reduce AC loads. | |
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| fault, try again. | Must occur | (AC OUTPUT) |
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| 3 times in |
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| 30 seconds |
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| before |
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| becoming |
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| a manual |
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| fault. |
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| F8 | has lost input neutral | Manual | Neutral loss shutdown | Clear the fault and attempt | |
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| connection. See |
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| restart. Check AC input wiring | |
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| guide. |
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| for presence of a proper neutral | |
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| connection and ground | |
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| connection. Check the AC | |
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| input source to make sure the | |
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| neutral is bonded to ground. | |
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| F9 | Battery voltage is too | Automatic | DC Over Voltage | Clear the fault and attempt | |
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| high. See guide. |
| Shutdown | restart. Ensure battery voltage | |
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| is | |
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| terminals. Check all other | |
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| charging source outputs, | |
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| battery cables. | |
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| F10 | Battery is too low, | Automatic | DC Under Voltage | Clear the fault and attempt | |
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| can’t invert. |
| Shutdown (Immediate) | restart. Recharge batteries. | |
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| Recharge battery. |
| occurs if DC voltage is | Check battery cable | |
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| below 8 volts DC | connections. | |
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| F11 | Battery is too low, | Automatic | DC Under Voltage | Clear the fault and attempt | |
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| can’t invert. |
| Shutdown occurs if | restart. Recharge batteries. | |
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| Recharge battery. |
| DC voltage is below | Check battery cable | |
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| 10 volts DC. | connections. | |
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| F12 | Input AC too high. | Automatic | AC Over Voltage | Clear the fault and attempt | |
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| Check source, clear |
| Shutdown (AC Line 1 | restart. Check AC input | |
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| fault, try again. |
| input) | voltage. Check and adjust AC | |
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| input high voltage settings. | |
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| F13 | Input AC too low. | Automatic | AC Under Voltage | Clear the fault and attempt | |
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| Check source, clear |
| Shutdown (AC Line 1 | restart. Check AC input | |
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| fault, try again. |
| input) | voltage. Check and adjust AC | |
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| input low voltage setting. | |
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