Observed arrival · 2026-10-25
The Fault Code’s appliance-code field manual
A lookup and reference site for furnace, washer, dishwasher, and AC error codes, with manufacturer meanings, likely causes, and homeowner-safe checks.
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✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Homeowners identifying appliance or HVAC fault codes
- Worth noticing
- The homepage reports 120 codes across 10 brands and says each entry links to a named manufacturer document.
Field notes
The homepage presents a search field plus browse lists organized by equipment type and manufacturer. Its sample entries include details such as a Carrier furnace limit-circuit lockout and a Bosch dishwasher heat-pump limescale code. The site reports that entries link to manufacturer documents and describes its field guides as drawing on manuals and DOE, ENERGY STAR, and NFPA guidance.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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