87
EN
Class 3 status
codes
Class 3 includes status codes that may occur while feeding energy into the grid, but gen-
erally do not cause the process to be interrupted for any length of time.
The inverter disconnects automatically from the grid, the grid is then monitored as specified
and the inverter attempts to resume feeding energy into the grid.
301
Overcurrent (AC)
Behaviour Short-term interruption while feeding energy into the grid due to
overcurrent in the alternating current circuit
The inverter resumes with its startup routine.
Remedy Fault is rectified automatically
If this status code keeps recurring, contact your system engi-
neer
303
Power module overtemperature
Behaviour Short-term interruption while feeding energy into the grid due to
overtemperature
The inverter resumes with its startup routine.
Remedy Purge cooling air openings and heat sink if necessary;
fault is rectified automatically
If this status code keeps recurring, contact your system engi-
neer
304
Internal temperature too high
Behaviour Short-term interruption while feeding energy into the grid due to
overtemperature
The inverter resumes with its startup routine
Remedy Purge cooling air openings and heat sink if necessary;
fault is rectified automatically
If this status code keeps recurring, contact your system engi-
neer
305
If the grid relay is closed, no energy is transferred to the grid
Behaviour Permanent interruption while feeding energy into the grid
Remedy If this status code keeps recurring, contact your system engi-
neer
307 (DC low)
DC input voltage too low for feeding energy into the grid
Behaviour Short-term interruption while feeding energy into the grid
The inverter resumes with its startup routine.
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