Fault database
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212 results · page 3 of 6
CCS-H06Cross-brand / Protocol · Cables & connectors solo+Welding detection trip
Welding detection trip: charger or site equipment presents this pattern under load or on session start. Techs report int…
RFID-01Cross-brand / Protocol · DC Fast Chargers solo+RFID reader no UID
RFID reader no UID: charger or site equipment presents this pattern under load or on session start. Techs report intermi…
DEP-XFMR-TAPSite stack (generic) · Switchgear solo+Wrong tap leaves undervoltage
Wrong tap leaves undervoltage on site-generic: Site LMS / breaker / skid local indicators shows DEP-XFMR-TAP. Techs see …
CCS-H05Cross-brand / Protocol · Cables & connectors solo+Power delivery stops at CurrentDemand
Power delivery stops at CurrentDemand: charger or site equipment presents this pattern under load or on session start. T…
GND-03Cross-brand / Protocol · DC Fast Chargers solo+Bond jumper missing at pedestal
Bond jumper missing at pedestal: charger or site equipment presents this pattern under load or on session start. Techs r…
ALP-HYC-GRIDAlpitronic · HYC300 · DC Fast Chargers solo+Grid overvoltage
Grid overvoltage on alpitronic (hypercharger-hyc300): Hypercharger HMI shows ALP-HYC-GRID. Techs see session abort or st…
SIE-SD-ISOSiemens · Sicharge D · DC Fast Chargers solo+Sicharge isolation
Sicharge isolation on siemens (sicharge-d): Sicharge D HMI shows SIE-SD-ISO. Techs see session abort or stall Unavailabl…
BESS-INTFluence / BESS · BESS solo+BESS interlock open
BESS interlock open on fluence: BESS EMS / fire panel inhibit shows BESS-INT. Techs see session abort or stall Unavailab…
NET-C06Cross-brand / Protocol · DC Fast Chargers solo+CSMS rate-limits StatusNotification
CSMS rate-limits StatusNotification: charger or site equipment presents this pattern under load or on session start. Tec…
CAB-BUSSite stack (generic) · LMS / power cabinet · Power cabinet / LMS solo+DC bus undervoltage
DC bus undervoltage on site-generic (lms-cabinet): Site LMS / breaker / skid local indicators shows CAB-BUS. Techs see s…
SWG-TRIPEaton · Switchgear solo+Feeder breaker trip charging peak
Feeder breaker trip charging peak on eaton: Switchboard trip flags / PQ meter shows SWG-TRIP. Techs see session abort or…
BESS-SOCFluence / BESS · BESS solo+SOC floor blocks EVSE feed
SOC floor blocks EVSE feed on fluence: BESS EMS / fire panel inhibit shows BESS-SOC. Techs see session abort or stall Un…
OCPP-F13Cross-brand / Protocol · DC Fast Chargers solo+ChangeAvailability rejected while charging
ChangeAvailability rejected while charging: charger or site equipment presents this pattern under load or on session sta…
ABB-T184-COMABB · Terra 184 · DC Fast Chargers solo+OCPP disconnect after peak
OCPP disconnect after peak on abb (terra-184): ABB Terra HMI fault banner + service menu shows ABB-T184-COM. Techs see s…
AUT-MC-ISOAutel · MaxiCharger DC · DC Fast Chargers solo+MaxiCharger isolation
MaxiCharger isolation on autel (maxicharger-dc): MaxiCharger DC screen shows AUT-MC-ISO. Techs see session abort or stal…
OCPP-F12Cross-brand / Protocol · DC Fast Chargers solo+GetConfiguration key unknown storm
GetConfiguration key unknown storm: charger or site equipment presents this pattern under load or on session start. Tech…
KEM-SAT-CCSKempower · Satellite · DC Fast Chargers solo+CCS session abort mid-ramp
CCS session abort mid-ramp on kempower (satellite): Kempower Satellite / C-series UI shows KEM-SAT-CCS. Techs see sessio…
OCPP-F09Cross-brand / Protocol · DC Fast Chargers solo+Firmware update stalls at downloading
Firmware update stalls at downloading: charger or site equipment presents this pattern under load or on session start. T…
BESS-THERMFluence / BESS · BESS solo+BESS thermal runaway alarm
BESS thermal runaway alarm on fluence: BESS EMS / fire panel inhibit shows BESS-THERM. Techs see session abort or stall …
WB-PP-PENWallbox · Pulsar Plus · AC Level 2 solo+PEN fault UK-style
PEN fault UK-style on wallbox (pulsar-plus): myWallbox / LED ring shows WB-PP-PEN. Techs see session abort or stall Unav…
SIE-SD-HMISiemens · Sicharge D · DC Fast Chargers solo+Touch HMI unresponsive
Touch HMI unresponsive on siemens (sicharge-d): Sicharge D HMI shows SIE-SD-HMI. Techs see session abort or stall Unavai…
COOL-AIRSite stack (generic) · Coolant skid · Liquid cooling solo+Airlocked loop after fill
Airlocked loop after fill on site-generic (coolant-skid): Site LMS / breaker / skid local indicators shows COOL-AIR. Tec…
BESS-PCSFluence / BESS · BESS solo+PCS fault blocks discharge to EVSE
PCS fault blocks discharge to EVSE on fluence: BESS EMS / fire panel inhibit shows BESS-PCS. Techs see session abort or …
CCS-H04Cross-brand / Protocol · Cables & connectors solo+Precharge voltage mismatch
Precharge voltage mismatch on protocol: CSMS StatusNotification + connector LEDs shows CCS-H04. Techs see session abort …
PAY-NFCIngenico / payment · Self/4000 family · Payment terminals solo+NFC tap intermittent
NFC tap intermittent on ingenico (self-4000): PED screen / host response code shows PAY-NFC. Techs see session abort or …
SWG-UPSEaton · Switchgear solo+Controls UPS dead — gear won't close
Controls UPS dead — gear won't close on eaton: Switchboard trip flags / PQ meter shows SWG-UPS. Techs see session abort …
GND-02Cross-brand / Protocol · DC Fast Chargers solo+Isolation monitor nuisance trip wet weather
Isolation monitor nuisance trip wet weather: charger or site equipment presents this pattern under load or on session st…
CMS-SESSAmpcontrol · Fleet CMS solo+Session not created in CMS
Session not created in CMS on ampcontrol: Charge OS / driver app auth result shows CMS-SESS. Techs see session abort or …
OCPP-F08Cross-brand / Protocol · DC Fast Chargers solo+BootNotification rejected — wrong chargePointModel
BootNotification rejected — wrong chargePointModel: charger or site equipment presents this pattern under load or on ses…
PAY-USBIngenico / payment · Self/4000 family · Payment terminals solo+USB-C power to PED unstable
USB-C power to PED unstable on ingenico (self-4000): PED screen / host response code shows PAY-USB. Techs see session ab…
BESS-BALFluence / BESS · BESS solo+Cell imbalance inhibits output
Cell imbalance inhibits output on fluence: BESS EMS / fire panel inhibit shows BESS-BAL. Techs see session abort or stal…
PAY-HOSTIngenico / payment · Self/4000 family · Payment terminals solo+Host authorize decline loop
Host authorize decline loop on ingenico (self-4000): PED screen / host response code shows PAY-HOST. Techs see session a…
GND-01Cross-brand / Protocol · DC Fast ChargersFree sampleGround continuity fail at dispenser
Ground continuity fail at dispenser on protocol: CSMS StatusNotification + connector LEDs shows GND-01. Techs see session abort or stall Unavailable until the ranked cause is cleared. Correlate OCPP websocket / SECC / vehicle logs as applicable before opening the cabinet.
CMS-VEHAmpcontrol · Fleet CMS solo+VIN not in fleet allowlist
VIN not in fleet allowlist on ampcontrol: Charge OS / driver app auth result shows CMS-VEH. Techs see session abort or s…
SWG-XFMREaton · Switchgear solo+Transformer overtemp
Transformer overtemp on eaton: Switchboard trip flags / PQ meter shows SWG-XFMR. Techs see session abort or stall Unavai…
OCPP-F11Cross-brand / Protocol · DC Fast Chargers solo+StopTransaction id mismatch
StopTransaction id mismatch: charger or site equipment presents this pattern under load or on session start. Techs repor…
SWG-CTEaton · Switchgear solo+CT wiring reversed after CT swap
CT wiring reversed after CT swap on eaton: Switchboard trip flags / PQ meter shows SWG-CT. Techs see session abort or st…
COOL-SENSSite stack (generic) · Coolant skid · Liquid cooling solo+Flow sensor false low
Flow sensor false low on site-generic (coolant-skid): Site LMS / breaker / skid local indicators shows COOL-SENS. Techs …
CP-XP-LMSChargePoint · Express Plus · DC Fast Chargers solo+Site LMS curtails Express Plus
Site LMS curtails Express Plus on chargepoint (express-plus): ChargePoint station HMI / Cloud diagnostics shows CP-XP-LM…
CCS-H03Cross-brand / Protocol · Cables & connectorsFree sampleCable check isolation fail
Cable check isolation fail on protocol: CSMS StatusNotification + connector LEDs shows CCS-H03. Techs see session abort or stall Unavailable until the ranked cause is cleared. Correlate OCPP websocket / SECC / vehicle logs as applicable before opening the cabinet.