The EVSE Directory · Field sheet · Sierra Wireless / Semtech · MDM-FW
MDM-FWModem FW bricks OCPP path
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: Modem FW bricks OCPP path — modem online to carrier but OCPP stack broken after FW. Field techs should correlate HMI/Cloud timestamps with RSSI ok ≠ stable webs…
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