Fault database
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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.
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.
VEH-X01Cross-brand / Protocol · Cables & connectors solo+Known vehicle profile needs CCS pause workaround
Known vehicle profile needs CCS pause workaround (VEH-X01) — Vehicle profile field fault. Stay OEM-agnostic until the pr…
CCS-H09Cross-brand / Protocol · Cables & connectorsFree sampleSECC discovery wrong IP
SECC discovery wrong IP — vehicle cannot find SECC on the expected link-local/IP path; handshake dies at discovery/SDP. protocol field note: keep evidence scrubbed and prove the ranked cause before module RMA on CCS-H09.
CCS-H10Cross-brand / Protocol · Cables & connectorsFree sampleSessionSetup ResponseCode Failed
SessionSetup ResponseCode Failed (CCS-H10) — 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-H11Cross-brand / Protocol · Cables & connectorsFree sampleEVSideCableCheck unknown error
EVSideCableCheck unknown error (CCS-H11) — CCS handshake field fault. Stay OEM-agnostic until the protocol stage pins a hardware path; capture SECC/OCPP/vehicle evidence before opening the cabinet.
ABB-T54-CCSABB · Terra 54 · DC Fast ChargersFree sampleCCS connector latch fail
Terra 54 CCS connector latch fail — mechanical latch/actuator before SECC condemnation. Field techs should correlate HMI/Cloud timestamps with Verify which gun and which stack faulted on dual-standard Terra sites.
ABB-T184-PMABB · Terra 184 · DC Fast ChargersEarly access pro+Power module imbalance
Terra 184 power module imbalance — early-access: one module not sharing current. Field techs should correlate HMI/Cloud …
ABB-T184-COOLABB · Terra 184 · Liquid coolingFree sampleCoolant flow low
Terra 184 coolant flow low — bleed/leak/sensor before condemning the whole cooling skid. Field techs should correlate HMI/Cloud timestamps with Verify which gun and which stack faulted on dual-standard Terra sites.
ABB-T184-COMABB · Terra 184 · DC Fast Chargers solo+OCPP disconnect after peak
Terra 184 OCPP disconnect after peak — Soft-offline under load/heat, prove backhaul vs controller. Field techs should co…
ABB-T184-ESTOPABB · Terra 184 · DC Fast ChargersEarly access pro+E-stop loop intermittent
Terra 184 E-stop loop intermittent — early-access: loop/wiring before blaming stacks. Field techs should correlate HMI/C…
ABB-T184-METABB · Terra 184 · DC Fast Chargers solo+Energy register jump
Terra 184 energy register jump — metering discontinuity; billing/integrity before power RMA. Field techs should correlat…
TRI-PK-ISOTritium · PK350 · DC Fast ChargersFree samplePK350 isolation fault
PK350 isolation fault — cooled-cable/moisture path; PK liquid-cooled rules differ from RTM air-cooled. Field techs should correlate HMI/Cloud timestamps with PK liquid-cooled path vs RTM air-cooled path changes isolation and thermal triage.
TRI-PK-CABLETritium · PK350 · Liquid coolingFree sampleLiquid-cooled cable leak detect
PK350 liquid-cooled cable leak detect — contain spill, reseal/replace path, bleed before return to service. Field techs should correlate HMI/Cloud timestamps with PK liquid-cooled path vs RTM air-cooled path changes isolation and thermal triage.
TRI-PK-DISPTritium · PK350 · DC Fast Chargers solo+Dispenser UI no boot
PK dispenser UI no boot — HMI/SBC path while power cabinet may still be alive. Field techs should correlate HMI/Cloud ti…
TRI-PK-PWRTritium · PK350 · DC Fast ChargersEarly access pro+Rectifier stage fault
PK rectifier stage fault — early-access HV power stage; LOTO and OEM diagnostics. Field techs should correlate HMI/Cloud…
TRI-PK-NETTritium · PK350 · DC Fast ChargersEarly access pro+Cellular failover flapping
PK cellular failover flapping — early-access modem/SIM/DNS path before board RMA. Field techs should correlate HMI/Cloud…
TRI-PK-GUNTritium · PK350 · DC Fast Chargers solo+Gun temperature derate
PK gun temperature derate — handle/contact heat or sensor; sun and damaged guns rank high. Field techs should correlate …
KEM-SAT-LINKKempower · Satellite · DC Fast ChargersFree sampleSatellite link to power unit lost
Kempower Satellite link to power unit lost — satellite/dynamic pool link before condemning the dispenser. Field techs should correlate HMI/Cloud timestamps with Satellite dynamic power pool — confirm module pool assignment before condemning a stall
KEM-SAT-DYNKempower · Satellite · DC Fast ChargersEarly access pro+Dynamic power allocation stuck
Kempower dynamic power pool fault — early-access pool assignment/module map issues. Field techs should correlate HMI/Clo…
KEM-SAT-CCSKempower · Satellite · DC Fast Chargers solo+CCS session abort mid-ramp
Kempower CCS session abort mid-ramp — handshake/current share under dynamic pool assignment. Field techs should correlat…
KEM-SAT-COOLKempower · Satellite · Liquid cooling solo+Cabinet coolant pressure low
Kempower cabinet coolant pressure low — cooling loop/pressure before module RMA. Field techs should correlate HMI/Cloud …
KEM-SAT-RFIDKempower · Satellite · DC Fast Chargers solo+RFID reader miswired after service
Kempower RFID reader miswired after service — auth path vs energy path. Field techs should correlate HMI/Cloud timestamp…
CAB-PINSite stack (generic) · Cables & connectors solo+CCS pin burnt
CCS pin burnt — overheating/arcing damage on power pins from high resistance or partial latch. site-generic field note: …
ALP-HYC-ISOAlpitronic · HYC300 · DC Fast ChargersFree sampleHYC isolation fault
Alpitronic Hypercharger fails isolation during CableCheck on one connector, or occasionally across the whole cabinet, most often after rain, a cable swap, or overnight condensation. Because HYC300 modules share a common coolant loop, a wet or contaminated path on one gun can occasionally present as a broader isolation issue across the bank.
ALP-HYC-MODAlpitronic · HYC300 · DC Fast ChargersEarly access pro+Module offline bank
One Alpitronic Hypercharger power module drops offline within its bank, showing up as reduced maximum kW, an imbalanced …
ALP-HYC-PAYAlpitronic · HYC300 · Payment terminals solo+Payment terminal offline
Alpitronic Hypercharger's onboard payment terminal goes offline while the energy delivery path may continue operating un…
ALP-HYC-GRIDAlpitronic · HYC300 · DC Fast Chargers solo+Grid overvoltage
Alpitronic Hypercharger trips on grid overvoltage, aborting active sessions and refusing new ones until the input voltag…
SIE-SD-ISOSiemens · Sicharge D · DC Fast ChargersFree sampleSicharge isolation
Siemens Sicharge D reports an isolation fault on one connector path while the peer gun on the same cabinet may remain Available, and technicians must confirm whether the power cabinet or the dispenser head owns the failing measurement before opening either enclosure. Weather exposure and recent cable service are the most common triggers.
SIE-SD-LMSSiemens · Sicharge D · DC Fast ChargersEarly access pro+Cluster LMS conflict
Siemens Sicharge D cluster experiences a load-management conflict where multiple stalls fight over the site's power budg…
SIE-SD-METSiemens · Sicharge D · DC Fast Chargers solo+MID meter fault
Siemens Sicharge D's MID fiscal meter reports a fault that either blocks billed sessions entirely or produces incorrect …
SIE-SD-HMISiemens · Sicharge D · DC Fast Chargers solo+Touch HMI unresponsive
Siemens Sicharge D's touch HMI goes unresponsive or black while the station may continue reporting normally to OCPP, mea…