Start here
The Ariston ARWDF dryer family covers two listings in the roster below, and on that platform what the machine does when start is pressed sorts the shortlist. On many dryers a thermal fuse that has opened stops the machine starting at all, which is why a no-start fault so often begins with a vent inspection. The door switch and a protective device that has opened after an overheat cover most of these.
What an owner actually sees
- A hum when start is pressed, with no drum movement — The motor is energised and cannot turn, or has lost its drive. A broken belt often leaves exactly this impression, and the machine should not be left trying.
- It starts, runs for a second and stops — Something is dropping out immediately: a door switch that is marginal, or a protective device that opens as soon as load is applied.
- The door light works but nothing else does — Part of the supply is present and part is not, which on an electric machine points at the consumer unit rather than at anything inside the cabinet.
- NEAR MISS — the drum turns but there is no heat — A machine that runs a full cycle cold is a heating fault rather than a start fault, and the not-heating page is where that shortlist lives.
Causes, most likely first on the ARWDF line
- Door switch not making — Ranked first here, because it is operated every single time the machine is used, it is a simple mechanical contact, and no dryer will run without it, which together make it the most common single reason a dryer will not start. Nothing in the roster below splits these listings apart for this fault, so the order that follows holds across the whole label.
- Supply: socket, plug, breaker or half a supply missing — Second here, because it is free to check, it explains every completely dead machine, and on electric dryers the loss of one leg produces a machine that is partly alive and deeply confusing.
- Broken belt leaving the motor free — Third here, because the motor spins without resistance and the drum stays still, which owners describe as a hum, and it is mechanical rather than electrical even though it presents as a start fault.
- Motor or its capacitor — Last here: it is the least common of these, and because a motor fault usually announces itself by struggling and running hot before it refuses to start at all.
Check in this order, and why
- Prove the socket with another appliance — A lamp or a charger in the same socket settles the supply question in seconds and should be done before the machine is moved or opened for any reason. The order matters more than the list: each step above rules out a region of the ARWDF line before the next one costs anything.
- Ask what the machine did before it stopped — A dryer that stopped starting immediately after a very hot or very long cycle has almost certainly opened a protective device, and the vent is the reason.
- Turn the drum by hand with the power off — A drum that turns freely means nothing is seized, so the fault is electrical. A drum that will not move at all changes the shortlist entirely.
Before you open anything
Safety
Unplug the appliance or switch off its breaker before removing any panel; a capacitor can hold a charge after the power is off. A protective device that has opened did so because the machine overheated, and a machine that will not start for that reason must not be made to start until the vent run has been cleared. Replacing a safety device to restore operation is the one repair never to make on a dryer.
Models in the ARWDF family — Written for the whole roster above rather than for one listing; a page written for a single model would go further than this one does. Numbers reproduced from the platform data for this label.
Reference| Model number | Family key |
|---|---|
| ARWDF129(NA).1 | ariston:dryer:arwdf |
| ARWDF129S(NA).1 | ariston:dryer:arwdf |
Where the owner side ends
Call once the socket is proven, the door switch clicks, the drum turns by hand and the machine still does nothing, because what remains needs a meter inside the cabinet. Switch off immediately if the machine hums without turning, because current is going into a motor that cannot do anything with it.
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