Smeg Oven Error ER22
⚡ Quick Answer: The SMEG oven error code ER22 typically indicates a malfunction related to the internal temperature sensor or thermal fuse. Users may notice the error... ⚠️ Difficulty Varies
What Does Error ER22 Mean?
The SMEG oven error code ER22 typically indicates a malfunction related to the internal temperature sensor or thermal fuse. Users may notice the error displayed on the control panel during heating attempts, and the oven may stop functioning altogether. Common symptoms include unusual smells and failure to heat up. A power reset may resolve the issue temporarily, but persistent errors often require professional inspection of internal components.
Common Symptoms:
- Error displays on oven control panel when attempting to heat
- Operation may stop or refuse to start when ER22 is displayed
Possible Causes
- Potential internal temperature sensor, thermal fuse, or related sensor fault (low)
How to Fix Error ER22
DIY Fix Restart / Power Reset
- Turn the oven off at the mains or isolating switch.
- Wait 5–10 minutes to allow internal electronics to fully discharge.
- Turn the oven back on and check if the error persists.
Technician Only Inspect Internal Sensors and Thermal Protection Components
- Disconnect the oven from mains power.
- Access internal temperature sensor/thermistor and thermal fuse assembly.
- Test continuity of the temperature sensor and thermal fuse with a multimeter.
- Inspect wiring and connectors for damage or loose connections.
- Replace any defective sensors or thermal protection parts as needed.
Parts needed: Temperature sensor / thermistor, Thermal fuse / overheat cut‑out, Associated wiring harness
- If the oven continues to display ER22 after power reset
- If internal inspection reveals damaged wiring or components
- If you are unsure about safely accessing internal parts
Next step
Choose the next step for ER22
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 components that may be involved
Check these only if your diagnosis points to them.
Thermal Fuse
A safety device that cuts off power to the appliance if it starts to overheat.
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Technical Specifications
| wattage | 2500W |
|---|---|
| component | Heating Element |
| resistance | 20-30 ohms |
| part_number | SMEG 123456789 |
| voltage_rating | 240V AC |
Common Questions
What does ER22 error mean on smeg oven?
ER22 indicates a malfunction in the temperature sensor or thermal fuse, often preventing the oven from heating.
Can I fix smeg oven ER22 error myself?
Yes, try performing a power reset by turning off the oven for 5-10 minutes to see if the error clears.
How much does it cost to fix ER22 error?
Repair costs for ER22 can range from ¥10,000 to ¥40,000+, depending on parts and labor.
When should I call a technician for ER22?
Call a technician if the error persists after a reset, or if you find damaged components during inspection.
Sources & References
Data last verified: 2026-07-25
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