Cross-brand / Protocol
Field hub — common codes, ownership boundaries, and links into the fault database.
OCPP, CCS, NACS, ISO 15118, and CHAdeMO patterns that cross OEMs. Start here when the stage of fail is clear but the cabinet brand is not.
Fault index (67)
OCPP-F01Cross-brand / Protocol · DC Fast ChargersFree sampleStatusNotification stuck Faulted after reboot
StatusNotification stuck Faulted after reboot — CSMS still shows Faulted even though local LEDs look ready, often after a dirty shutdown or uncleared vendor errorInfo. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on OCPP-F01.
OCPP-F02Cross-brand / Protocol · DC Fast ChargersFree sampleHeartbeat timeout to CSMS
Heartbeat timeout to CSMS — station may look Available locally while Cloud shows offline, sessions fail Authorize, or Heartbeat gaps appear in the CSMS timeline. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on OCPP-F02.
OCPP-F03Cross-brand / Protocol · DC Fast ChargersFree sampleAuthorize rejected — invalid idTag
Authorize rejected — invalid idTag — badge/app presents locally but CSMS returns Invalid/Blocked, or local list is stale after prolonged offline. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on OCPP-F03.
OCPP-F04Cross-brand / Protocol · DC Fast ChargersFree sampleStartTransaction never acknowledged
StartTransaction never acknowledged — Authorize succeeded but StartTransaction.conf never returns; session hangs Preparing/Suspended. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on OCPP-F04.
OCPP-F05Cross-brand / Protocol · DC Fast ChargersFree sampleMeterValues missing during session
MeterValues missing during session — energy runs locally but CSMS billing/telemetry shows gaps or zero MeterValues. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on OCPP-F05.
OCPP-F06Cross-brand / Protocol · DC Fast ChargersFree sampleRemoteStart fails while local RFID works
RemoteStart fails while local RFID works — CSMS RemoteStartTransaction rejected or times out though a badge starts fine. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on OCPP-F06.
OCPP-F07Cross-brand / Protocol · DC Fast ChargersFree sampleConnector becomes Unavailable after SuspendEV
Connector becomes Unavailable after SuspendEV — vehicle paused, then charger never returns to Available for the next driver. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on OCPP-F07.
OCPP-F08Cross-brand / Protocol · DC Fast ChargersFree sampleBootNotification rejected — wrong chargePointModel
BootNotification rejected — wrong chargePointModel / identity after board swap or clone config, leaving the charger offline to CSMS. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on OCPP-F08.
OCPP-F09Cross-brand / Protocol · DC Fast ChargersFree sampleFirmware update stalls at downloading
Firmware update stalls at Downloading/Installing — charger stuck non-operative mid-FW with CSMS showing ongoing update. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on OCPP-F09.
OCPP-F10Cross-brand / Protocol · DC Fast ChargersFree sampleDataTransfer vendorId rejected
DataTransfer vendorId rejected — OEM vendor messages fail while core OCPP profile still works, breaking advanced diagnostics or PnC helpers. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on OCPP-F10.
CCS-H01Cross-brand / Protocol · Cables & connectorsFree sampleCCS SLAC timeout
CCS SLAC timeout (CCS-H01) — CCS handshake field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
CCS-H02Cross-brand / Protocol · Cables & connectorsFree sampleSDP failed — SECC not responding
SDP failed — SECC not responding (CCS-H02) — CCS handshake field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
CCS-H03Cross-brand / Protocol · Cables & connectorsFree sampleCable check isolation fail
Cable check isolation fail (CCS-H03) — CCS handshake field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
CCS-H04Cross-brand / Protocol · Cables & connectorsFree samplePrecharge voltage mismatch
Precharge voltage mismatch (CCS-H04) — CCS handshake field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
CCS-H05Cross-brand / Protocol · Cables & connectorsFree samplePower delivery stops at CurrentDemand
Power delivery stops at CurrentDemand (CCS-H05) — CCS handshake field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
CCS-H06Cross-brand / Protocol · Cables & connectorsFree sampleWelding detection trip
Welding detection trip (CCS-H06) — CCS handshake field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
CCS-H07Cross-brand / Protocol · Cables & connectorsFree samplePP resistor out of range
PP resistor out of range (CCS-H07) — CCS handshake field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
CCS-H08Cross-brand / Protocol · Cables & connectorsFree sampleCP state B stuck
CP state B stuck (CCS-H08) — CCS handshake field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
NACS-H01Cross-brand / Protocol · Cables & connectorsFree sampleNACS handshake timeout on adapter path
NACS handshake timeout on adapter path (NACS-H01) — NACS path field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
NACS-H02Cross-brand / Protocol · Cables & connectorsFree sampleNACS proximity detect intermittent
NACS proximity detect intermittent (NACS-H02) — NACS path field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
NACS-H03Cross-brand / Protocol · Cables & connectorsFree sampleNACS thermal derate to zero
NACS thermal derate to zero (NACS-H03) — NACS path field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
ISO-H01Cross-brand / Protocol · Cables & connectorsFree sampleISO 15118 TLS cert expired
ISO 15118 TLS cert expired (ISO-H01) — ISO 15118 / PnC field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
ISO-H02Cross-brand / Protocol · Cables & connectorsFree samplePnC contract authentication fail
PnC contract authentication fail (ISO-H02) — ISO 15118 / PnC field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
ISO-H03Cross-brand / Protocol · Cables & connectorsFree sampleSchedule renegotiation abort
Schedule renegotiation abort (ISO-H03) — ISO 15118 / PnC field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
CHA-H01Cross-brand / Protocol · Cables & connectorsFree sampleCHAdeMO CAN timeout
CHAdeMO CAN timeout (CHA-H01) — CHAdeMO field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
CHA-H02Cross-brand / Protocol · Cables & connectorsFree sampleCHAdeMO connector lock fail
CHAdeMO connector lock fail (CHA-H02) — CHAdeMO field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
CHA-H03Cross-brand / Protocol · Cables & connectorsFree sampleCHAdeMO vehicle contactor open early
CHAdeMO vehicle contactor open early (CHA-H03) — CHAdeMO field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
NET-C01Cross-brand / Protocol · DC Fast ChargersFree sampleDNS resolution failure to CSMS
DNS resolution failure to CSMS — charger cannot resolve the CSMS hostname; Soft-offline with local Ready possible. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on NET-C01.
NET-C02Cross-brand / Protocol · DC Fast ChargersFree sampleTLS handshake fail to CSMS
TLS handshake fail to CSMS — DNS works but TLS fails (cert/clock/SNI), leaving OCPP down. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on NET-C02.
NET-C03Cross-brand / Protocol · DC Fast ChargersFree sampleNAT keepalive drops OCPP websocket
NAT keepalive drops OCPP websocket — sessions work briefly after reboot then Soft-offline until the next reconnect. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on NET-C03.
NET-C04Cross-brand / Protocol · DC Fast ChargersFree sampleProxy MITM breaks certificate pin
Proxy MITM breaks certificate pin — corporate proxy intercepts HTTPS and the charger rejects the substituted certificate. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on NET-C04.
MET-01Cross-brand / Protocol · DC Fast ChargersFree sampleEnergy meter CRC error
Energy meter CRC error (MET-01) — Metering field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
MET-02Cross-brand / Protocol · DC Fast ChargersFree sampleCT polarity reversed after service
CT polarity reversed after service (MET-02) — Metering field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
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-02Cross-brand / Protocol · DC Fast ChargersFree sampleIsolation monitor nuisance trip wet weather
Isolation monitor nuisance trip wet weather (GND-02) — Ground / isolation field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
SEQ-01Cross-brand / Protocol · Cables & connectorsFree sampleEVSE ready before vehicle CP ready race
EVSE ready before vehicle CP ready race (SEQ-01) — Sequence / interlock field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
SEQ-02Cross-brand / Protocol · DC Fast Chargers solo+Emergency stop latch not cleared in CSMS
Emergency stop latch not cleared in CSMS (SEQ-02) — Sequence / interlock field fault. Stay OEM-agnostic until the protoc…
LOAD-01Cross-brand / Protocol · Power cabinet / LMSFree sampleDynamic load management caps to 0 A
Dynamic load management caps to 0 A (LOAD-01) — Load management field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
LOAD-02Cross-brand / Protocol · Power cabinet / LMSFree sampleLMS heartbeat lost — failsafe curtail
LMS heartbeat lost — failsafe curtail — chargers derate or go Unavailable when site LMS/PLC heartbeat drops, protecting the feeder. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on LOAD-02.
TEMP-01Cross-brand / Protocol · DC Fast ChargersFree sampleAmbient derate never recovers overnight
Ambient derate never recovers overnight (TEMP-01) — Thermal / ambient field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.