Why rowenta steamer 1550w won't heat up? - Rowenta IS9100 1550W Precision Valet Commercial Garment Steamer w/ Retractable Cord

All the Manuals to all of the Rowenta Steamers.

https://www.rowenta.ca/en/instructions-for-use/Products/Linen-care/Garment-steamer/csc/GarmentSteamer

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RCD or MCB that is tripping?

If MCB the iron is overloading the circuit, usually a short circuit and is often related to the power cord.

If RCD power is escaping from the circuit to ground and is usually caused by an internal water leak.

White vinegar

there is a reason for the wire shorting at that point
could be a dead short that caused the wire to burn or other serious problem
best advice is to take it to an appliance repair shop for a diagnosis and quote or to be safe simply junk it and get a new one

Check the manual. You can always using some duct tape to cap the filling hole and see if it turns on.

Make sure you didn't knock off a wire to the heating element when you had it open. Also put a couple of cups of whitevinnegar in it and leave it for an hour or two. This will dissolve the scale build up. If it doesn't get hot thenthe element is probably burned out. There is a limit switch held against the tank too. It can stop the heating element if it goes bad.

Get some help here:

http://www.rowentausa.com/rowenta/frame.aspx?page=http://www.rowentausa.com/rowenta/consumer_care/consumer_care/consumerCare.aspx

or here:

http://www.appliancepartspros.com/search.aspx?q=rowenta%20iron%20parts

temp limit switch bad... replace iron(sorry)

Rowenta IS8250 Garment Steamer instructions are no longer available from Rowenta.

sounds like the level of the water is below pick up tube u should be able to re adjust the pick up tube