Breville Microwave Error E05
⚡ Quick Answer: The Breville microwave error E05 indicates a malfunction, most commonly related to the magnetron, which prevents the microwave from heating food. User... ⚠️ Difficulty Varies
What Does Error E05 Mean?
The Breville microwave error E05 indicates a malfunction, most commonly related to the magnetron, which prevents the microwave from heating food. Users may notice unusual buzzing sounds accompanying this error. The issue often arises during heating cycles, and a temporary reset by unplugging the microwave for 5–10 minutes may clear the error. However, persistent problems could signal deeper internal faults in the control board or temperature detection system.
Common Symptoms:
- Microwave stops heating and displays E05
- Error often appears during or immediately before heating cycles
- Unplug/plug‑in reset temporarily clears error in some cases
Possible Causes
- Internal control/temperature detection fault (low)
- Control board or touchpad communication issue (low)
How to Fix Error E05
DIY Fix Basic checks and reset
- Ensure the door is fully closed and latched before operation
- Unplug the microwave from power for at least 5–10 minutes and then plug back in to attempt a reset
- Try a different power outlet to rule out external power issues
Technician Only Internal diagnostics
- Use a multimeter to test the internal temperature sensor/thermistor (if accessible) for proper resistance values
- Inspect control board and ribbon cable connections for signs of damage, corrosion or loose contacts
- Check internal high‑voltage components only if properly trained
Parts needed: Temperature sensor/thermistor, Control board, Ribbon cable connectors
- If error persists after basic reset and visual checks
- If door latch mechanisms do not engage properly
- If unit fails to heat at all despite appearing functional
Next step
Choose the next step for E05
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
- Typical part-only price
- $15 - $35
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Thermistor
Measures precise temperature changes and sends resistance feedback to the control board.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Ribbon Cable
Carries low-voltage signals between a user interface, display, and electronic control board.
Model-compatible Microwave parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Technical Specifications
| wattage | 900W |
|---|---|
| component | Magnetron |
| resistance | 0.5-1.5 ohms |
| part_number | BES008 |
| voltage_rating | 120V AC |
Common Questions
What does E05 error mean on Breville microwave?
E05 indicates a magnetron malfunction, resulting in the microwave not heating food.
Can I fix Breville microwave E05 error myself?
Yes, you can check if the door is closed properly and reset the microwave by unplugging it for 5–10 minutes.
How much does it cost to fix E05 error?
Repair costs can vary widely depending on the parts needed, such as the temperature sensor or control board.
When should I call a technician for E05?
Call a technician if the error persists after a reset or if the microwave fails to heat despite appearing functional.
Sources & References
- Best Buy user discussion on E‑05 not heating (community)
Data last verified: 2026-07-25
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