Fault database
Search by code, symptom, brand, category, or connector. Full procedures gated by subscription — look for green Free sample badges for open procedures.
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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.
CP-E250-HDCChargePoint · Express 250 · DC Fast ChargersEarly access pro+HDC contactor weld detect
ChargePoint HDC contactor weld detect (CP-E250-HDC) — confirm Express power cabinet vs dispenser ownership before parts.…
CTR-WELDSite stack (generic) · Contactors & protectionFree sampleMain DC contactor welded
Main DC contactor welded — weld detect or stuck-closed feedback after high-cycle use; do not force energy. site-generic field note: keep evidence scrubbed and prove the ranked cause before module RMA on CTR-WELD.
CTR-COILSite stack (generic) · Contactors & protection solo+Contactor coil open
Contactor coil open — contactor will not pull in; coil circuit open or driver failed. site-generic field note: keep evid…
CTR-AUXSite stack (generic) · Contactors & protection solo+Aux contact feedback mismatch
Aux contact feedback mismatch — controller sees disagreement between command and aux, blocking sessions. site-generic fi…
PE-NB-COOLPower Electronics · NB 360 · Liquid cooling solo+Cooling pump Contactor chatter
Power Electronics NB360's cooling pump or an associated contactor exhibits audible chatter accompanied by flow-related f…
BLK-IQ-RELAYBlink · IQ 200 · AC Level 2Free sampleIQ200 relay welded
Blink IQ200 reports a welded or stuck main relay, or fails its weld-detect self-check, typically right after a hard fault-current event or years of high-cycle depot duty. The stall latches Faulted and stays there — FreeVend and app-initiated sessions are both blocked — while neighboring pedestals on the same pad usually keep working normally, which helps rule out a site-wide power event.