102
Description The inverter disconnects from the grid for safety reasons and
then attempts a restart.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician.
426
The intermediate circuit charging takes too long
Description Short interruption of grid feed-in mode.
The inverter returns to the Startup phase.
Remedy The fault is rectified automatically.
If this status code keeps recurring, contact your system install-
er.
427
Power stage set inoperative for too long (timeout)
Description Short interruption of grid feed-in mode.
The inverter returns to the Startup phase.
Remedy The fault is rectified automatically.
If this status code keeps recurring, contact your system install-
er.
428
Timeout error during connection
Description Short interruption of grid feed-in mode.
The inverter returns to the Startup phase.
Remedy If this status code keeps recurring, contact your system install-
er.
429
Timeout error when disconnecting
Description Short interruption of grid feed-in mode.
The inverter returns to the Startup phase.
Remedy If this status code keeps recurring, contact your system install-
er.
431
Power stage set software being updated
Description Inverter does not feed energy into the grid.
Remedy Update firmware using Fronius Solar.update or a USB stick
432
Internal database error during power stage set allocation
Description The inverter disconnects from the grid for safety reasons and
then attempts a restart.
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