Zoppas PDF Series / Cristallo / Sanix Dishwasher: Water fill failure AL5 (legacy EDW1500 alphanumeric); inlet valve open but required water level not reached.
On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Closed supply tap, blocked inlet filter, defective 230V solenoid valve coil (nominal 3.8–4.4 kΩ), or airlock in water softener matrix.
Verify tap water pressure. Clean mesh filter in inlet fitting. Measure solenoid coil resistance (expected 3.8–4.4 kΩ). Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.
