E04
Candy
Supply Voltage Out of Range
Induction or ceramic cooktop displays E04 and refuses to start any zone
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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
Incorrect wiring (single-phase vs three-phase), Low or high mains voltage, Loose neutral connection at terminal block, Defective power filter or main board sensing circuit
How to Fix / Troubleshooting
Safety first: Only measure mains voltage if you are trained and have appropriate tools. Otherwise, call a qualified electrician.
- Check installation wiring: Compare the wiring at the terminal block with the Candy installation diagram (single-phase or two/three-phase as applicable). Correct any miswiring.
- Inspect neutral and earth: With power OFF, tighten all terminal screws. Look for signs of overheating or discoloration on the neutral terminal.
- Measure supply voltage: With a multimeter and proper safety precautions, verify that the voltage at the terminal block is within the range specified on the rating plate (typically 220–240 V). If outside range, consult an electrician.
- Check power filter board: If wiring and supply are correct, but E04 persists, inspect the power filter/EMI board and main power module for burnt components. Replace the defective board.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Power Module
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