Private preview on Alex's own reference data, not the live backend. Not the production site.

Look up a fault code

Manufacturer text only, cited to the service manual, page and models. No code yet? Start from the manufacturer below.

Browse by equipment

By equipment type.

Other ways in

Flash and blink codes Read off an LED pattern rather than a display. Maintenance schedules What the manufacturer says to do and when, cited to the page. What's inside Which manuals and models are covered, and how far.