Tecell’s Charge Management System (CMS) automatically detects and logs failed charging sessions by monitoring real-time communication between chargers and the central system using OCPP protocols. When a session ends unexpectedly—such as due to power loss, connection issues, or hardware malfunctions—the system flags the event based on predefined criteria and records it for analysis.
How detection works in practice
The CMS leverages OCPP 1.6 and 2.0.1 standards to track session status updates from each charging point. If a session does not complete within expected timeframes or if the system receives an error message from the charger, it triggers an automatic failure log. This process happens in real time, without requiring manual input or operator intervention.
For example, if a vehicle disconnects mid-session due to a power outage, the CMS will detect the abrupt loss of communication and classify the session as failed. The system then logs the event with timestamps, session ID, and error codes for further review.
This automated detection ensures that operators can quickly identify problematic chargers or charging patterns, reducing downtime and improving service reliability.
What this means for fleet operators
Fleet managers benefit significantly from this automatic logging because it eliminates the need to manually monitor hundreds of charging points across multiple locations. The system provides a centralized dashboard showing all failed sessions, allowing operators to prioritize maintenance or repairs based on impact.
For instance, a logistics company using Tecell’s CMS can instantly see which chargers in their fleet network are consistently failing. They can then schedule maintenance during off-peak hours, minimizing disruption to operations.
This capability also supports compliance reporting and helps fleet operators meet SLA requirements by maintaining accurate records of charging performance.
Related Reading
For more on related topics, see: EV Charging CMS – Basic Plan | Tecell.
Further reading: Login – Tecell CMS