Fronius IG 2000, Operating Instructions Manual

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* Service code 303 and 304 are shown briefly under certain circumstances. A brief
display of the service codes 303 and 304 does not mean there is a fault.
303 *
Over-temperature AC side
Description Short interruption of power feeding into the grid due to over-
temperature.
The inverter returns to the startup phase.
Remedy Fault is rectified automatically
If this status code keeps recurring, contact your system installer
304 *
Over-temperature DC side
Description Short interruption of power feeding into the grid due to over-
temperature.
The inverter returns to the startup phase.
Remedy Fault is rectified automatically
If this status code keeps recurring, contact your system installer
'POWER LOW' (306)
Intermediate circuit voltage has dropped below permissible threshold value for feed in.
This error is shown on the inverter in plain text.
Description Short interruption of power feeding into the grid.
The inverter returns to the startup phase.
Remedy Fault is rectified automatically
If this status code keeps recurring, contact your system installer
'DC LOW' (307)
DC input voltage is too low for feed in.
This error is shown on the inverter in plain text.
Description Short interruption of power feeding into the grid.
The inverter returns to the startup phase.
Remedy Fault is rectified automatically
If this status code keeps recurring, contact your system installer