Arcbound Field · Field sheet · ABB · ABB-T54-SENS
ABB-T54-SENSTemp sensor open circuit
ABB · Terra 54 · DC Fast Chargers
Verified 2025-04-282 field confirmsSeverity: medium ~60 min
Safety
Qualified EVSE personnel only. Follow site LOTO and OEM HV / arc-flash boundaries. Depressurize coolant loops before opening quick-connects; capture spills. Not a substitute for OEM service manuals or AHJ requirements.
Full procedure requires solo+
Symptom teaser: Temp sensor open circuit on abb (terra-54): ABB Terra HMI fault banner + service menu shows ABB-T54-SENS. Techs see session abort or stall Unavailable until the…
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