Samsung Dishwasher — Error Code HE
The heater temperature-detection circuit is faulty.
ApplianceDB ranks 1 repair for this code, led by “Rerun and reset”. That top fix is a moderate-difficulty DIY job, involving the temperature sensor. Severity is classified as degraded — the appliance keeps running but not correctly.
Ranked repair steps
1. Rerun and reset
Empty the unit, add detergent and run a normal cycle; if it persists, power off at the breaker and contact support.
moderate · basis: manufacturer first
Provenance: facts re-derived from an official manufacturer listing — Samsung US Support — Dishwasher Error Codes. Meanings and steps are original paraphrase; nothing is reproduced verbatim.