When a washing machine will not drain, an air conditioner repeatedly shuts down, or a dishwasher flashes an error light, the user scans a QR code on the appliance or enters its brand and model, then describes the problem in a sentence. An on-device page reads the current fault code, sensor status, and service manual for that model, translating only information relevant to that specific appliance into plain language. Even if the home loses internet access, the user can still open the local page to view the most recent status. The page first shows the most likely range of causes, then offers no more than two safe checks that require no disassembly—for example, checking whether a drain hose is kinked, a filter cover is fully closed, or the outdoor unit is obstructed. After completing a step, the user selects the result, and the system narrows the possibilities using fresh sensor readings. If repair is needed, a handoff card records the model, fault code, time of occurrence, actions already tried, and key status details for direct sharing with a technician. For electrical leakage, gas, overheating, standing water, or cases that require removing a protective cover, the page stops guiding self-repair and instead gives clear instructions to cut power, leave the area, or contact a technician. The first version supports only washing machines, dishwashers, and air conditioners with QR access and basic sensors. It does not replace professional diagnostics, issue high-risk repair instructions, or upload device data for advertising profiles.