The table below includes a list of error codes, the conditions that trigger them, and the corrective actions you can take to clear the code:
| Code | Condition | Corrective Action |
| E01 | When unit is in Battery (Inverter) mode, Input battery voltage is too low and AC Output is shutdown. | Recharge the battery immediately and restart unit. Make sure the battery is connected to the unit. |
| When unit is in By-Pass Mode the unit continues supplying AC-Output power. |
Check the battery is connected to the unit. Although the unit still provides AC Output power from mains input, recharge the battery immediately. | |
| E02 | Input battery voltage is too high and unit has shut down. | Check battery voltage or determine if any external charger is connected to the battery bank. |
| E03 | AC output is overloaded or short circuited and unit has shutdown. | Check load connected to the output. Reduce load and restart the unit. |
| E04 | Internal temperature is too high and unit has shutdown. | Turn unit off and wait for 15 minutes before restarting. Check in any object has blocked the air flow of the unit. |
| E05 | Input battery voltage is low and warning occurs. | Recharge battery as unit will shutdown shortly. Will be followed by E01 if not corrected. |
| E06 | In Battery Mode, AC output load connected has been sensed high and is close to shutdown limit | Reduce load. Will be followed by E03 if not corrected |
| E07 | Internal temperature is high and is close to shutdown limit | Reduce load and check in any ventilation of the unit is blocked. Will lead to E04 if not corrected. |
| E12 | Internal transfer switch temperature is high and shutdown occurs |
Reduce load and check if any ventilation of the unit is blocked. |
For more information about fault finding on Transfer Inverters, check out our inverter video series here.
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