Steam iron - Step 3: frequent breakdowns

Stap 1 — Water pump

One source of failure on this type of device is the pump which conveys the water contained in the tank to the iron. It's easy to tell if the pump is working. Just listen! The pump makes a noise, an easily audible hum. The noise is produced by the vibration of the core in the coil. See § operating principle.

Stap 2 — Electronic

The iron is controlled by a micro-controller (rep15). Here it is a PIC16F1820 In the event of an unexplained iron malfunction, it is likely that the PIC is to blame. In this case, there is unfortunately not much to do in the absence of the firmware loaded by the manufacturer.

Stap 3 — Resistance, t° probe, klixon, contacts

In this step we review the different organs present in the iron itself which can be the cause of a breakdown.