Fronius Acctiva Twin 15 A Instructions De Service page 55

If the charging configuration was changed intentionally, then the flashing (3x) of the fault
indicator can be reset as follows:
IMPORTANT! The battery must not be connected to the charger whilst resetting the indi-
cator.
Press the Start/Stop button and hold it down for approx. 10 s
1
- If the charging configuration has not been changed, the flashing (3x) of the fault indi-
cator will stop automatically once the faulty fuse situation has been rectified.
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