Sharp Microwave Combi Oven Error EE1

⚡ Quick Answer: The EE1 error code on your Sharp microwave combi oven indicates a malfunction in the temperature sensor, which may cause erratic display behavior or f... ✅ DIY Fixable

What Does Error EE1 Mean?

The EE1 error code on your Sharp microwave combi oven indicates a malfunction in the temperature sensor, which may cause erratic display behavior or failure to heat. This fault often arises from a failed magnetron or high-voltage component, a faulty temperature sensor or related wiring, or issues with the control board. If the error persists, professional service is recommended to ensure safe and thorough repairs.

Common Symptoms:

  • Microwave displays EE1 and may stop operation
  • Occurs at start or during heating cycle

Possible Causes

  • Magnetron or high-voltage component failure (per specific model manuals) (medium)
  • Temperature sensor / thermistor fault or related wiring issue (community reports) (medium)
  • Control board or internal circuit fault (community reports) (low)

How to Fix Error EE1

DIY Fix Basic checks and reset

  1. Unplug the microwave from the power source.
  2. Wait at least 5 minutes then plug it back in to reset the control.
  3. Try operating again to see if the EE1 error clears.

Technician Only Inspect and replace failed internal components

  1. Disconnect power and access internal components following the service manual.
  2. Check the temperature sensor/thermistor and wiring harness for continuity and proper resistance changes with temperature.
  3. Test magnetron and high voltage components (transformer/capacitor/diode) according to the service procedure.
  4. Replace any faulty sensors or components and reassemble.

Parts needed: Thermistor / temperature sensor, Wiring harness, Magnetron and high‑voltage assembly, Control board (if diagnosed faulty)

🛑 When to Call a Pro:
  • If EE1 persists after basic reset
  • If you are not qualified to safely test or replace internal high‑voltage parts
  • If there is any burning smell, smoke, or visible damage

Technical Specifications

wattage 1000W
component Temperature Sensor
resistance 10-30 ohms
part_number SHARP R-21LVF-SENSOR
voltage_rating 120V AC

Common Questions

What does EE1 error mean on sharp microwave combi oven?

EE1 indicates a temperature sensor malfunction, causing erratic behavior or heating failure.

Can I fix sharp microwave combi oven EE1 error myself?

Yes, try unplugging the microwave for 5 minutes to reset, then check if the error persists.

How much does it cost to fix EE1 error?

Repair costs for the EE1 error range from ¥10,000 to ¥50,000+, depending on the faulty component.

When should I call a technician for EE1?

Call a technician if the EE1 error continues after resetting, or if you notice burning smells or visible damage.

Sources & References

Data last verified: 2026-07-07

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