Antenna connector loose

Sierra Wireless / Semtech · AirLink modem · Modem / cellular

Verified 2026-08-011 field confirmsSeverity: medium ~60 min

Safety

Qualified EVSE personnel only. Follow site LOTO and OEM HV boundaries.

Full procedure requires solo+

Symptom teaser: Antenna connector loose — intermittent RSSI/OCPP with physical RF path broken. Field techs should correlate HMI/Cloud timestamps with RSSI ok ≠ stable websocket…

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