PCS fault blocks discharge to EVSE

Verified 2025-07-151 field confirmsSeverity: medium ~60 min

Safety

Qualified EVSE personnel only. Follow site LOTO and OEM HV / arc-flash boundaries. Do not enter BESS enclosures or defeat fire-panel inhibits — stop at EVSE interlock verify. Not a substitute for OEM service manuals or AHJ requirements.

Full procedure requires solo+

Symptom teaser: PCS fault blocks discharge to EVSE on fluence: BESS EMS / fire panel inhibit shows BESS-PCS. Techs see session abort or stall Unavailable until the ranked cause…

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