PRIVATE PREVIEW — running on Alex's own reference data, not Erin's live backend. Not the production site.

Find a fault code in seconds

Search directly, or browse by manufacturer and manual — every result is scoped to the exact service document it came from.

Flash codes / blink codes

Read off an LED blink pattern, not a display — kept separate from numeric alarm codes.

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6 manufacturers
Step-by-step diagnostic branches for every code — $19.99/mo. Upgrade to Pro →