JennAir microwave microwave no-heat repair (magnetron or high-voltage circuit) cost
A microwave no-heat repair (magnetron or high-voltage circuit) on a JennAir microwave typically costs $230–$520 in the Las Vegas area, parts and labor included. Repairing a microwave that runs but does not heat: magnetron, high-voltage transformer, capacitor or diode. This high-voltage work needs professional testing.
- Repair
- Microwave no-heat repair (magnetron or high-voltage circuit)
- Typical range
- $230–$520
- Labor
- Moderate
- Diagnosis required first
- Yes
Final cost depends on diagnosis, the exact model, parts availability and whether other damage is found. This is a typical range based on similar repairs, not a quote.
What the repair includes
- Professional testing of the high-voltage circuit after safe discharge
- Magnetron, diode, capacitor or transformer replacement
- Microwave leakage check
- Heating test
This stage requires professional testing. Full diagnosis involves hazards such as live line voltage, gas, a sealed refrigerant system or microwave high voltage. Do not attempt it yourself.
Why the price varies
- Which high-voltage part failed
- Over-the-range removal and reinstallation
When this repair makes sense
- Over-the-range or built-in microwave in good condition
When replacement may be the better choice
- Countertop microwave, where a new unit costs less than the repair
Signs the no-heat repair may not be the problem
- A door interlock switch fault can stop heating with a good magnetron.
- Sparking inside from a damaged waveguide cover or metal on dishes is not a magnetron failure.
- High-voltage parts can hold a dangerous charge after unplugging; this requires professional testing.
Related problems
Get a firm price after diagnosis
A technician confirms whether the no-heat repair is really the problem before any part is replaced. Serving Las Vegas, Henderson, Summerlin and Boulder City.