103
Remedy If status code persists: Contact a Fronius-trained service tech-
nician.
433
No dynamic identification can be assigned to the power stage set.
Internal database error during power stage set allocation.
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.
436
Incorrect error information received from power stage set
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.
437
General troubleshooting started in power stage set
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.
438
Incorrect error information received from power stage set
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.
442
Power stage set was not detected
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.
443
Energy transfer not possible
Description Inverter does not feed energy into the grid.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician.