Ariston Margherita A1635

Hi Brian,

That symptom usually means the machine is aborting the wash and the timer/programmer is advancing because it is not seeing the condition it expects. On this older Ariston, the most likely causes are drainage, water level sensing, heating, or the programmer itself.

1. Check the drain system first If it fills then immediately pumps out, make sure the drain hose isn’t pushed too far down the standpipe or sealed in airtight, as this can cause siphoning. The end of the hose should be at the correct height and not submerged. Also clean the pump filter and check for a partial blockage in the pump or drain hose.

2. Check whether it is actually pumping or just losing water If you can hear the pump running as it empties, that points more to a control/sensing fault. If the water just disappears without the pump, siphoning is very likely.

3. Check the pressure system A blocked pressure chamber or pressure switch hose can make the machine “think” it is overfilled or empty/full at the wrong time. Inspect the small tube from the drum to the pressure switch for soap sludge, splits, or blockage.

4. Consider the heater circuit On some older machines, a failed heating element can cause the programmer to stall or click round. If it fills, tumbles briefly, drains, and then advances oddly, the heater or thermostat circuit is worth checking.

5. Programmer/timer fault If the above checks are all fine, the mechanical/electrical programmer itself may be faulty, which was not uncommon on older models.

Please isolate it from the mains before removing any panels or inspecting internal parts. If testing live electrical parts, wiring, or replacing the programmer/heater, it’s best to use a qualified appliance engineer.

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