LG: Sparking Inside
Sparking is often caused by damaged waveguide covers or metal debris inside the cavity.
Learn more →Leander, TX · LG Microwave · $39 Diagnostic
LG Microwave Not Heating in Leander
Same-day options in Leander. Diagnosis first, repair after approval.
- Typical repair time: 1 hour
- Typical labor: $109-$209 (labor only)
- Coverage: 78641, 78646
What it usually means when your LG microwave is not heating
When a microwave runs but does not heat food, the issue is usually in the high-voltage circuit.
What a technician checks on site
- Test magnetron for failure
- Check high-voltage diode
- Inspect capacitor and transformer
- Verify door interlock switches
Other LG microwave issues we fix in Leander
LG: Turntable Not Working
A non-spinning turntable usually points to a failed motor or coupler.
Learn more →Popular LG microwave models we service
We service many LG models — model number optional when booking.
Common LG microwave error codes
LG code F3
Meaning: Temperature Sensor Error
Typical fix: Replace temperature sensor.
LG code F9
Meaning: Door Switch Error
Typical fix: Inspect and replace door switch assembly.
FAQ
How much does it cost to fix a LG Microwave that is not heating in Leander?
Most jobs fall into the $109-$209 labor range. The technician confirms the exact failure during the $39 diagnostic.
Is it safe to keep using a LG Microwave with this symptom?
Some symptoms are safety-related. If you’re unsure, stop using the unit until a technician confirms the cause.
Do you service LG Microwave units across Leander, TX?
Yes — coverage includes 78641, 78646 and nearby areas.