E20
Hoover
Weight / Load Sensor or Algorithm Fault
Microwave shows E20 and sensor-based defrost or reheat programs terminate early or do not start.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Faulty internal weight sensor (on models with auto-weight), Miscalibrated sensor algorithm in control PCB, Loose sensor harness, Control PCB fault
How to Fix / Troubleshooting
Safety first: Disconnect power before internal inspection.
User-level checks:
- Ensure you are following Hoover's instructions for sensor and auto-weight programs (correct dish size, placement, and food type).
- Reset the microwave by unplugging for 10 minutes, then retry a sensor program with a typical load.
Technician-level checks:
- On models with a weight sensor under the turntable, inspect the sensor assembly and wiring for damage.
- Test the sensor output according to Hoover service data.
- Check for firmware updates or recalibration procedures if available.
- Replace the sensor or control PCB if out of specification.
Recommendation: Because sensor systems are model-specific, refer to Hoover technical documentation for exact procedures.
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Repair Difficulty
Hard
4/5
Required Part
Weight Sensor Assembly
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