129
Fault display
AFI
Residual current
Incorrect time,
date are stored
in Sunways NT
Monitor with
incorrect time
data.
Causes
The AFI error is displayed if
a residual current has occur-
red in the PV system and
the solar inverter has sub-
sequently disconnected
from the grid.
The battery is empty.
Remedies
The entire PV system must be checked
for insulation errors.
Have the battery (button cell) replaced
by an expert.
The battery is located on the LCD display
board.
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