Countertop, built-in and combination models
Send the exact model and whether it is a microwave-only or combination oven. For fitted units, describe cabinet ventilation and access without removing the appliance. A grill fault and a microwave heating fault are different functions.
Heating, turntable and start faults
Record the cooking mode, power level, timer and display. Demo mode or a kitchen timer can behave differently from heating mode. A turntable that does not move, a blank display and food staying cold need separate checks. Do not run the appliance empty.
Sparks and door damage need a stop
Do not operate a microwave with a damaged door, latch, sealing surface or repeated sparks. Do not open the cabinet, bypass an interlock or replace internal parts yourself. Internal components can hold a dangerous charge after unplugging.
Supported brands and assessment
For Panasonic, Samsung, LG, Bosch and the other brands below, send the full model and failed function. A heating failure does not automatically require a magnetron. Ask for the findings, return-to-use checks and quote before approving repair.