Dishwasher shows E09; machine may stop during wash with no obvious mechanical noise change.

Safety first: Unplug the dishwasher before accessing the control module.

• Power reset: Turn off the power at the socket or breaker for at least 10 minutes, then restore power and try a short cycle. Sometimes this clears transient control errors.
• Inspect control board connections: Remove the inner door panel to access the main control board (usually in the door). Check all wiring harnesses for secure fit and signs of burning or corrosion.
• Check for moisture: Look for signs of water ingress around the control housing. Dry gently if damp and identify any door seal issues that may have allowed steam into the control area.
• Board replacement: If E09 persists and no other component faults are found, the main control board (PCB) is likely defective. Transfer all connectors one by one to the new board, matching positions exactly.
• Professional help: Because firmware and configuration can be model-specific, consider a Hoover-authorized technician for PCB replacement.