Samsung Refrigerator — Error Code PCER
A communication fault occurred between internal components.
ApplianceDB ranks 1 repair for this code, led by “Reseat the door harness”. That top fix is a moderate-difficulty DIY job, involving the control board. Severity is classified as degraded — the appliance keeps running but not correctly.
Ranked repair steps
1. Reseat the door harness
Unplug the unit, disconnect and reconnect the wire harness above the door, then restore power; request service if the error returns.
moderate · basis: manufacturer first
Provenance: facts re-derived from an official manufacturer listing — Samsung US Support — Refrigerator Error Codes. Meanings and steps are original paraphrase; nothing is reproduced verbatim.