Iberna ILF / EcoTime Pro Inverter Washing Machine: Anti-flood safety trigger E04; electronic controller detects excessive water column level or floor leak sensor switch closure.
On Iberna washing machines powered by reliable GIAS compact micro-controller, high-efficiency wash group, and fast-response NTC thermistors: Leaking tub gasket, blocked pressure switch air bell tube, or triac short energizing inlet valve continuously.
Isolate water supply. Inspect base pan for leakage. Detach pressure switch hose and clear chamber sludge. Check valve triac voltage with a multimeter (230V AC). Move program selector to Stop, hold Start/Pause and Spin keys together for 5 seconds until status LEDs extinguish, then restart.
