Code lookup

DO appliance error code

The same visible code can mean different things depending on brand, appliance type, and model family. Choose the closest match before taking action.

Compare source-backed meanings

Match the exact brand, appliance type, and model context before using any guidance for DO.
Brand and applianceMeaningUse guidanceSource statusOpen record
Haier Washer E0Aliases dO · E2Haier groups dO, E0, and E2 under one lid-open condition for portable washers; this record uses E0 as the canonical label and preserves dO and E2 as display aliases.Manufacturer guidance usually ties dO, E0, or E2 to an open-lid detection condition.Stop useStop using it and review the matching record before any reset.Official manufacturer supportofficial Haier support; verified 2026-07-30Exact record
Samsung Dryer dCAliases dE · dF · do · d0 · 1 DC · 1 dFSamsung groups dC, dE, dF, DO, d0, 1 DC, and 1 dF as dryer door-related errors.Most Samsung sources describe dC as a dryer door, latch, or door-sensor problem.Stop useStop using it and review the matching record before any reset.Official manufacturer supportofficial Samsung support; verified 2026-06-24Exact record

Coverage context

This page compares covered records for the same visible code. Use it as a starting point, then open the exact brand and appliance record before taking action.

Current coverage

Matches2
Brands2
Brand/appliance contexts2

Why context matters

A visible code is not a diagnosis by itself. The current DO comparison covers 2 brands and 2 appliance types. Brand, appliance type, and model family decide which record applies.

Use the exact record links below before trying reset steps or deciding whether the appliance can be used.

Current contexts

Appliance contexts2
Confidence levelsOfficial manufacturer support

Reads similar on the display

dE, DE, dC, d0, and DO can look similar on segmented displays. Compare nearby door-code pages before choosing a record.

Missing your brand or appliance?

Do not assume DO has the same meaning on a different brand, appliance type, or model family. Open search with this code to use the coverage request draft when no exact match exists.

Safety reminder

Stop and use qualified service for water near electrical parts, burning smells, gas odor, miswired range warnings, unsafe refrigerator temperatures, or repeated failed resets.

Safety guide

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