Three steps to a diagnosis
Describe
Tell Dyagno the appliance type, model, and the symptoms you're seeing.
Upload
Attach a photo of the error display, damaged part, or installation label.
Diagnose
Receive a precise fault analysis with error codes, parts, and repair steps.
Built for real repair work
Everything a technician or motivated homeowner needs.
Multimodal diagnosis
Upload photos of error codes, damaged components, or installation tags. Claude analyzes the image and your description together.
Error code lookup
Instantly decode manufacturer-specific fault codes for all major appliance brands — refrigerators, washers, dryers, dishwashers, and more.
Part recommendations
Get exact OEM part numbers for every repair, with model-specific guidance on compatible replacements.
Step-by-step repair
Detailed repair procedures with safety warnings, torque specs, and calibration notes — built for technicians, clear enough for homeowners.
Trusted by technicians and homeowners
“Cut my average diagnosis time from 20 minutes to under 3. Dyagno nailed a tricky intermittent fault on a Samsung fridge that had me stumped for days.”
Marcus T.
Appliance Technician, 14 years
“My washer was throwing an F21 code. Dyagno told me exactly which pressure switch to check and what the resistance values should be. Fixed it myself in an hour.”
Priya S.
Homeowner
“I run a small repair shop and Dyagno handles the research while I handle the wrenches. My turnaround times are down 40%.”
Derek O.
Owner, QuickFix Appliance Repair