Fault database
Search by code, symptom, brand, category, or connector. Full procedures gated by subscription — look for green Free sample badges for open procedures.
Viewing as free
212 results · page 6 of 6
CMS-OCPPAmpcontrol · Fleet CMS solo+CMS-OCPP mapping wrong connector
The CMS's connector mapping doesn't match reality — a driver plugged into stall A is authorized, billed, and tracked as …
CMS-SCHEDAmpcontrol · Fleet CMS solo+Schedule blocks depot overnight
A CMS charging schedule policy is blocking sessions overnight exactly as configured, so drivers plug in at 2 AM and repo…
CMS-APIAmpcontrol · Fleet CMS solo+API key revoked mid-shift
A CMS or CSMS API key gets revoked or rotated mid-shift, and every integration that depends on it stops working simultan…
CMS-TZAmpcontrol · Fleet CMS solo+Timezone skew mis-schedules
A timezone configuration mismatch causes schedules to fire hours early or late — this most commonly appears right after …
BESS-PCSFluence / BESS · BESS solo+PCS fault blocks discharge to EVSE
A power conversion system (PCS) fault opens the contactors that connect the BESS to the EVSE bus, so chargers lose their…
BESS-FIREFluence / BESS · BESS solo+Fire panel inhibits charge
The fire alarm control panel (FACP) is holding an inhibit on the BESS/EVSE charge and discharge path, locking out charge…
SWG-CTEaton · Switchgear solo+CT wiring reversed after CT swap
A current transformer (CT) was recently swapped and its wiring is reversed — metering, load management, or protection sy…
CMS-VEHAmpcontrol · Fleet CMS solo+VIN not in fleet allowlist
A vehicle's VIN isn't in the fleet allowlist, so Plug&Charge or VIN-based authorization fails outright for a new bus or …
CMS-PRICEAmpcontrol · Fleet CMS solo+Tariff push fails — sessions free
A tariff push from the CMS to the CSMS fails silently, so sessions run for free or bill at a stale rate — drivers are ha…
BESS-BALFluence / BESS · BESS solo+Cell imbalance inhibits output
Cell or module imbalance within the BESS is limiting or fully blocking discharge output to the EVSE bus, so chargers eit…
SWG-UPSEaton · Switchgear solo+Controls UPS dead — gear won't close
The switchgear's controls UPS is dead, so protective relays are dark and the gear cannot be commanded to close even thou…
CMS-OFFAmpcontrol · Fleet CMS solo+CMS offline — local fallback weak
When the CMS or its cloud path goes offline, the local fallback authorization is too weak to cover it — chargers refuse …