Fronius Solar Battery
Status code dis-
play
The storage system performs a system self-diagnosis that automatically detects many
faults that may occur. These are indicated on the display or via LEDs. This means you
are promptly made aware of malfunctions in the storage system, or of any installation or
operating faults.
If the system self-diagnosis has detected a specific fault, the associated status code will
be shown on the display.
Error messages –
Battery manage-
ment module
Indicator Details Solution
NO MODULE No module Connect modules
If modules are connected The message on the left
appears even if modules are
connected. Check whether
they have been connected
properly.
OV Error Overvoltage Discharge
DISCHARGE
ERR
Deep discharge Charge
COMM ERR or
CON=
-------------ooox
Error affecting communication with
connected modules. The example
on the left illustrates a scenario in
which one module (no. 00) is
affected by a communication error, 3
modules (nos. 01, 02 and 03) are
connected and the other addresses
are without a connection.
COMM OFF
MODE
For maintenance only
No information
displayed
Wiring error, storage module
addressing error or system-critical
error
Check wiring, check address
settings for individual storage
modules
Error message –
Data converter
If the data converter detects an error, the “State” LED lights up steady red to signal that
an error has occurred. At the same time, the associated error messages are displayed
via the “Error No” LEDs in accordance with table below. There are two different error cat-
egories:
Serious errors (1 - 5): In this case, the data converter has to be switched off and then
back on again. If the error recurs, the data converter must be replaced and sent away for
repair.
Warnings (6 - 15): These warnings are displayed for information only. They appear for 1
minute and are then reset automatically. If these warnings occur quite frequently, Cus-
tomer Services should be notified accordingly.
These displays are not applicable in Configuration mode and are intended for internal
purposes only.
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