Troubleshooting
Troubleshooting Reference
WARNING: Electrical shock and burn hazard
Do not disassemble the inverter. It does not contain any
Table | Troubleshooting Reference |
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| Error/Warning |
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# | Code on Display | Problem | Possible Cause | Solution | |
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1 | AL1: Flashing | Low DC input | Poor DC wiring | Use proper cable size and | |
| Alarm: Beeping | terminal voltage. |
| lengths and make solid | |
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| connections. |
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| Poor battery condition | Charge the battery. |
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| Install a new battery. |
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2 | AL2: Flashing | Inverter is close to | Inverter ventilation | Improve ventilation. Make | |
| Alarm: Beeping | openings are obstructed. | sure the inverter’s ventilation | ||
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| shutdown |
| openings are not obstructed. |
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| Ambient temperature is | Reduce the ambient |
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| too high. | temperature. |
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| Load applied is above | Reduce the load if continuous |
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| the continuous operation | operation is required. |
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| limit. |
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3 | E01: Flashing | Inverter is in | AL1 warning code is | See solution under error # “1” | |
| Fault LED: Flashing | undervoltage | ignored. (See possible | in this table. | |
| Alarm: Beeping | shutdown. | causes under error # “1” |
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| in this table). |
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4 | E02: Flashing | Inverter is in | High input voltage | Make sure the inverter is | |
| Fault LED: Flashing | overvoltage |
| connected to a 12 V battery. | |
| Alarm: Beeping | shutdown. |
| Check the voltage regulation | |
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| of the charging system. |
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