Ariston Boiler Turning On and Off Repeatedly + Yellow Warning Light

Hi everyone. I have an Ariston boiler/water heater and I’m having an issue with it.

It turns on normally, heats the water for a short time, then shuts off. After a while, it turns on again. The water keeps alternating between hot and cold.

There is also a yellow/orange warning light on the control panel (photo attached). I already tried pressing the “Reset” button, but the problem continues.

Does anyone know what could be causing this? Could it be low pressure, a faulty sensor, limescale buildup, or another common issue with this model?

Thanks in advance.

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3 commentaires:

Hi @estudio

What is the model number of the boiler/water heater?

There is no photo attached to your question.

Here's how to add images in ifixit Ajout d'images à une question existante

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@jayeff Hi. I added the photo, but I can't see the model.

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@estudio

Usually there's a compliance plate somewhere showing the model/power /manufacturer information. Maybe near where the power enters the heater.

Without a model number it is difficult as not all models may exhibit the same warning lights for each type of fault condition.

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