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Deeply Discharged Battery (Safety Charge)
Fronius · Perfect Charging
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The connected battery is heavily discharged, meaning its voltage is significantly below its normal operating range. The charger has initiated a special 'safety charge' or 'recovery charge' phase at a very low current to safely bring the battery voltage up to a level where normal charging can begin. This is a protective measure to prevent damage to deeply discharged batteries.
Vanlige årsaker
- Battery has been left in a discharged state for an extended period
- High parasitic loads have completely drained the battery
- Faulty battery that cannot retain charge, leading to deep discharge
Reparasjonssteg & Sjekkliste
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- 1
Monitor the battery voltage to ensure it slowly rises during the safety charge phase
- 2
Do not interrupt the safety charge process; allow the charger to complete this phase automatically
- 3
If the battery voltage does not rise after a prolonged safety charge, the battery may be unrecoverable or faulty
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Fronius Perfect Charging