Smeg Induction Hob Error ER47
⚡ Quick Answer: The Smeg Induction Hob error code ER47 indicates a communication failure between the control board and the induction coil, resulting in an unresponsiv... ✅ DIY Fixable
What Does Error ER47 Mean?
The Smeg Induction Hob error code ER47 indicates a communication failure between the control board and the induction coil, resulting in an unresponsive cooktop and potential buzzing sounds. This issue often requires inspection and repair of the control board or the inductor coil to restore normal functionality.
Common Symptoms:
- Error code ER47 displayed on control panel
- Induction hob stops functioning normally
Possible Causes
- Communication failure between control board and inductor coil/module (high)
How to Fix Error ER47
DIY Fix Power cycle the induction hob
- Turn off the induction hob completely at the wall switch or breaker.
- Wait for 5–10 minutes to allow the internal electronics to fully power down.
- Turn the power back on and check if ER47 clears.
Technician Only Inspect and repair communication link between control board and inductor
- Disconnect the induction hob from power.
- Remove the hob from its installation cut‑out if necessary to access internal components.
- Inspect wiring harnesses between the main control board and inductor coils for loose, damaged, or burnt connections.
- Test the continuity of communication lines with a multimeter.
- Replace any damaged harnesses, connectors, or the inductor module as needed.
- If no wiring fault is found, diagnose the main control board for faults and replace if confirmed.
Parts needed: Inverter/inductor coil modules, Control board wiring harness/connectors, Main control board (if required)
- If ER47 persists after power cycling
- If any wiring appears damaged or burnt
- If you are not comfortable accessing internal components
Next step
Choose the next step for ER47
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
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
- Typical part-only price
- $20 - $120
- DIY difficulty
- Medium
- Estimated time
- 30-90 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.
Model-compatible Induction Hob 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
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
Common Questions
What does ER47 error mean on Smeg Induction Hob?
ER47 indicates a communication failure between the control board and the induction coil.
Can I fix Smeg Induction Hob ER47 error myself?
Yes, you can power cycle the hob by turning it off for 5–10 minutes and then back on.
How much does it cost to fix ER47 error?
Estimated repair costs range from ¥15,000 to ¥60,000+, depending on parts and labor.
When should I call a technician for ER47?
Call a technician if the error persists after power cycling or if you see damaged wiring.
Sources & References
- Induction errors - Smeg UK (official)
Data last verified: 2026-07-31
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