Dishwasher will not power on at all; no lights or display, no response from any buttons.

Safety first: Ensure the dishwasher is switched off at the wall before inspecting any electrical parts. If you are not comfortable working with mains voltage, contact a professional.

• Check outlet: Test the wall socket with another appliance to confirm it has power.
• Inspect plug and fuse (UK): If your CDA dishwasher uses a fused plug, check and replace the fuse with the correct rating if blown.
• Access terminal block: Remove the lower front panel to locate the mains terminal block and EMI filter. Check for loose wires or signs of burning.
• Check power cord: Inspect the cord for cuts or damage. Replace if compromised.
• Replace mains filter: If the filter is visibly burnt or open-circuit, replace it with a CDA-compatible mains filter.