Fault display | Causes | Remedies |
AFI | The AFI error is displayed if |
Residual current | a residual current has occur- |
| red in the PV system and |
| the solar inverter has sub- |
| sequently disconnected |
| from the grid. |
The entire PV system must be checked for insulation errors.
Incorrect time, | The battery is empty. | Have the battery (button cell) replaced |
date are stored |
| by an expert. |
in Sunways NT |
| The battery is located on the LCD display |
Monitor with |
| board. |
incorrect time |
|
|
data. |
|
|
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