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Status diagnosis and repair
Service-Codes Displayed
Service dis-
Your FRONIUS IG unit is equipped with a self diagnostic system that
play
automatically identifies a large number of possible operation issues by
itself and displays them on the screen. Therefore it is possible to quickly
isolate technical issues, and to distinguish between Service Codes related
to the installation versus Service Codes which are internal to the inverter.
Whenever the self diagnostic system has identified a particular issue, the
respective service code is displayed on the screen.
Normal opera-
As long as the open-circuit voltage of the solar modules is not sufficient,
tion service
the screen displays the information "DC
codes
As soon as the open-circuit voltage exceeds 150 V, the FRONIUS IG unit
starts synchronizing with the grid (display shows "SYNC
If the total power output of the solar modules is insufficient, the display
shows the message "POWER
After a short time the FRONIUS IG resumes grid synchronization (messa-
ge: "SYNC
NOTE! Display of a service code for a short time may be the result
of the control procedures of your FRONIUS IG unit. If it subse-
quently continues to operate normally, there has not been a sys-
tem error.
").
AC
."
LOW
."
LOW
59
").
AC
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