Lucy Martinez specializes in appliance diagnostics — the art of reading an error code and knowing exactly which component, sensor, or board is at fault. Over fourteen years she has developed deep expertise in dishwashers, microwaves, wine coolers, and ice makers, along with the control electronics common to modern connected appliances.
She leads error-code and troubleshooting content on this site, ensuring each diagnostic guide is accurate, safe, and genuinely helpful. Lucy holds an EPA Section 608 Universal certification and a Certified Appliance Professional (CAP) credential.
