Fronius Agilo 75.0 User Manual
Page 93
91
EN
Remedy
If the status code is displayed all the time: notify a Fronius-
trained service engineer
407
Internal temperature sensor defective
Behaviour
The inverter is disconnected from the grid for safety reasons.
Remedy
If the status code is displayed all the time: notify a Fronius-
trained service engineer
412
Fixed voltage mode has been selected instead of MPP voltage mode, and the fixing volt-
age has been set at too low or too high a value.
Behaviour
The fixed voltage is lower than the current MPP voltage.
Remedy
Check module voltage and change the connection of the solar
modules if the input voltage is too high;
If the status code appears all the time: notify a Fronius-trained
service engineer
415
External Emergency Stop line is blocked
Behaviour
The inverter is disconnected from the grid for safety reasons.
Remedy
Fault is rectified automatically;
If this status code keeps recurring: notify a Fronius-trained ser-
vice engineer
416
No communication possible between power stage set and control system
Behaviour
The inverter is disconnected from the grid for safety reasons.
Remedy
If the status code is displayed all the time: notify a Fronius-
trained service engineer
425
No communication possible with the power module
Behaviour
The inverter is disconnected from the grid for safety reasons
and then attempts a restart.
Remedy
If the status code is displayed all the time: notify a Fronius-
trained service engineer
426
Intermediate circuit charging takes too long
Behaviour
Short-term interruption while feeding energy into the grid
The inverter resumes with its startup routine.
Remedy
Fault is rectified automatically
If this status code keeps recurring, contact your system engi-
neer