Oven display is blank and oven does not respond, but power is present at the outlet.

Safety: Turn off power at the breaker before opening any panels.

• Check supply: Verify that the circuit breaker is on and that there is correct voltage at the oven terminal block.
• Inspect terminal block: Tighten all connections and look for heat damage. Replace the block if burnt.
• Internal fuse: Some Ariston ovens have a small fuse on the control board or wiring harness. Locate and test it; replace only with the same rating if blown.
• Control board: If supply and fuse are good but the display remains dead, the control board’s power supply is likely faulty and the board must be replaced.