LG: Not Heating
When a microwave runs but food stays cold, we first verify door switch logic and only then test high-voltage output behavior safely.
Learn more →This is a common LG microwave problem we diagnose in Austin, TX.
No recent matching repair cases found for this issue in your area.
A non-spinning turntable usually starts with coupler or motor faults, but some models also lose turntable drive from control output issues.
When a microwave runs but food stays cold, we first verify door switch logic and only then test high-voltage output behavior safely.
Learn more →Sparking is commonly caused by waveguide cover damage, cavity hot spots, or metal contamination, and repeated arcing can damage other components.
Learn more →We service many LG models — model number optional when booking.
Meaning: Temperature Sensor Error
Typical fix: Replace temperature sensor.
Meaning: Door Switch Error
Typical fix: Inspect and replace door switch assembly.
Most jobs fall into the $109-$209 labor range. The technician confirms the exact failure during the $39 diagnostic.
Some symptoms are safety-related. If you’re unsure, stop using the unit until a technician confirms the cause.
Yes — coverage includes 78701, 78702, 78703, 78704, 78705, 78745, 78758, 78759, 78729, 78748 and nearby areas.