Zanussi Fj1254W Error / Beeping - Help

Hi there. On many older Zanussi/Electrolux washers, flashing LEDs 1 and 4 often point towards a heating or temperature-sensing issue, but I wouldn’t treat that as certain without a few checks because intermittent beeping/stopping can also be caused by wiring, pressure issues or a control fault.

Before inspecting anything internal, isolate the washing machine from the mains.

1. Check whether it fails at the same point Run a short wash and note if it stops after filling and tumbling for a while, or around the point it should start heating. If it will complete a cold/rinse cycle but stops on normal washes, that strongly suggests heater/NTC sensor trouble.

2. Inspect the heater area Remove the back or rear lower access if fitted and look at the heater connections on the tub. Check for burnt terminals, loose wires, corrosion or signs of overheating.

3. Check the wiring loom Follow wiring from the heater and temperature sensor back towards the module. Zanussi machines can suffer from poor connections or broken wires from vibration.

4. Check the pressure system Even if it drains well, a partially blocked pressure chamber or pressure hose can confuse the control and interrupt the cycle. Inspect the small hose to the pressure switch for splits, blockage or soap residue.

5. Heater and sensor testing If you have a meter, the heater should show continuity and no leakage to earth, and the NTC temperature sensor should have a sensible resistance value that changes with temperature. If the heater is partially leaking to earth, it can cause odd intermittent faults.

If these checks don’t show anything obvious, the next likely areas are the heater, NTC sensor, wiring, or the main control board. For live electrical testing or module diagnosis, it’s best to use a qualified appliance engineer.

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