Dishwasher displays E14; machine may stop during wash with no clear mechanical symptom.

Safety first: Unplug the dishwasher before accessing internal wiring.

• Inspect main harness: Remove the kick panel and side panels as needed. Follow the main wiring harness from the control board to key components (pressure switch, NTC, pumps) and check for damage or loose plugs.
• Clean connectors: Disconnect and reconnect multi-pin connectors to wipe oxidation from contacts. Ensure each connector is fully latched.
• Check for pinched wires: Look where the harness passes through metal panels or around the door hinge for crushed or cut insulation.
• Board or sensor replacement: If wiring is intact and E14 persists, the fault may lie in the main control board or a specific sensor module. Component-level diagnosis is advanced; consider professional service.