The EVSE Directory · Field sheet · Fluence / BESS · BESS-PCS
BESS-PCSPCS fault blocks discharge to EVSE
Verified 2026-07-301 field confirmsSeverity: medium ~120 min
Safety
PCS high-voltage work is specialist-only — do not open PCS cabinets or attempt contactor manipulation as an EVSE technician.
Full procedure requires solo+
Symptom teaser: A power conversion system (PCS) fault opens the contactors that connect the BESS to the EVSE bus, so chargers lose their BESS-backed power path entirely — the P…
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