Arcbound Field · Field sheet · Power Electronics · PE-NB-ISO
PE-NB-ISONB360 isolation
Power Electronics · NB 360 · DC Fast Chargers
Verified 2025-01-202 field confirmsSeverity: high ~90 min
Safety
Qualified EVSE personnel only. Follow site LOTO and OEM HV / arc-flash boundaries. Insulation and ground tests have their own hazards — use rated testers and OEM limits. Not a substitute for OEM service manuals or AHJ requirements.
Full procedure requires solo+
Symptom teaser: NB360 isolation on power-electronics (nb-360): NB series HMI / keypad shows PE-NB-ISO. Techs see session abort or stall Unavailable until the ranked cause is cl…
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