Fault database
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GND-01Cross-brand / Protocol · DC Fast ChargersFree sampleGround continuity fail at dispenser
Ground continuity fail at dispenser (GND-01) — Ground / isolation field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
GND-03Cross-brand / Protocol · DC Fast Chargers solo+Bond jumper missing at pedestal
Bond jumper missing at pedestal (GND-03) — Ground / isolation field fault. Stay OEM-agnostic until the protocol stage pi…
CP-E250-GFChargePoint · Express 250 · DC Fast ChargersFree sampleGround fault trip under rain
Express 250 ground-fault trip under rain, wash-down, or wet holster — Cloud Faulted and local GF latch may refuse clear until the moisture path is proven dry. chargepoint field note: keep evidence scrubbed and prove the ranked cause before module RMA on CP-E250-GF.
TRI-RTM-GFTritium · RTM75 · DC Fast ChargersFree sampleRTM ground fault
RTM ground fault — air-cooled RTM: moisture/cable/PE; do not bleed coolant on RTM air path. Field techs should correlate HMI/Cloud timestamps with PK liquid-cooled path vs RTM air-cooled path changes isolation and thermal triage.
DEL-UFC-GFDelta · UFC100 · DC Fast ChargersFree sampleUFC ground fault
Delta UFC100 dispenser trips ground fault mid-session or during CableCheck, most often after rain, wash-down, or a recent cable service call. HMI banner reads Ground Fault while OCPP reports Faulted/GroundFailure; the fault can lock a single gun or take the whole cabinet Unavailable if the sensing sits upstream of the split.
SCH-EV-GFSchneider Electric · EVlink · AC Level 2Free sampleEVlink ground fault
Schneider EVlink trips its ground-fault/residual-current protection during rain, wash-down, or shortly after cable handling, and the fault often recurs on reset in commercial installs where the EVSE shares a panel and bonding path with other loads. A trip that follows the cable when swapped, or that clears dry and holds, narrows the cause quickly before an electrician is called for panel-level bonding work.
WB-PP-PENWallbox · Pulsar Plus · AC Level 2 solo+PEN fault UK-style
UK-style Wallbox Pulsar Plus units with PEN-fault protection trip or inhibit charging entirely when the supply's protect…
SWG-GFEaton · Switchgear solo+Switchgear ground fault
Switchgear ground-fault protection trips and takes down the entire depot feed at once — the GF relay or breaker's ground…