Appliance
Installation Code on a New Unit: Setup Modes and Hookup Messages

What it
usually means.

A new appliance's first hours are when its display has the most to say, and most of what it says is about the installation rather than the machine. Some messages are modes, not problems at all: showroom or demo mode that keeps the compressor or the heating elements off, a Sabbath mode that silences the display, a shipping lock, or a first-run calibration that makes a new washer or dish care machine take longer than its label says. Others are reports about the hookups: no water, or too little, when a valve is partly closed or a filter is full of air; a drain that is too slow because a hose is kinked, set too high or blocked by a disposer plug; an airflow warning from a laundry machine whose exhaust is crushed; an unbalanced load or an out-of-level cabinet; a burner that did not prove flame while air was still in a new gas line; a power or voltage message when a cord is wired to the wrong terminals; a warm alarm while cold storage is still on its first cool-down; or a sensor that reads open because a harness was left unplugged at the installation. All of those clear when the setup is corrected. A code that means a part has failed is a different matter: it belongs to the maker's warranty on a new unit, or to our sister repair site for that appliance by make and model.