How does the soleplate of the Philips 7400 series be removed

this is due to low quility of metal which is damaged use some water unreacting metal.

follow this test and fix it. God bless you
As with many small appliances, regular maintenance makes a dramatic difference in how trouble free your electric iron will be. Even so, things can happen.
If the iron doesn't heat, make sure power is on to the outlet, check the power cord and check the thermostat and replace if necessary.
If the iron heats but steams improperly, inspect the soleplate and clean the vents and flush sediment out of the steam chamber
If the iron produces too much or too little heat, test the power cord Also test and, if needed, adjust calibration of the thermostat .
If the iron does not spray properly, inspect and clean the nozzle
If the iron leaks or spits, clean the steam vents, nozzle, and tank.
If the iron sticks to fabric, clean or repair the soleplate. If the iron stains fabric, clean the soleplate, clean the tank with a commercial cleaner, and use distilled or filtered water.

follow this steps and fix it. God bless you
Service the steam and spray mechanism:

1. Unplug the iron.
2. Use a fine sewing needle to unclog the steam valve assembly. Also, check the valve spring and replace it if it is broken or has lost tension.
3. If the spray pump is accessible, remove it and check for leaks by placing the spray tube in water and squirting the pump. Clean or replace as needed.

Clean a metal soleplate:

1. Unplug the iron.
2. Use a sponge and commercial soleplate cleaner or baking soda and water to remove dirt buildup on the soleplate. Rinse well with water and dry. Don't use harsh abrasives or immerse an electric iron in water.
3. Use very fine steel wool (0000) or an emery cloth to remove scratches and burns on the soleplate, then clean the soleplate.

follow this steps and fix it. God bless you
Service the steam and spray mechanism:

1. Unplug the iron.
2. Use a fine sewing needle to unclog the steam valve assembly. Also, check the valve spring and replace it if it is broken or has lost tension.
3. If the spray pump is accessible, remove it and check for leaks by placing the spray tube in water and squirting the pump. Clean or replace as needed.

Clean a metal soleplate:

1. Unplug the iron.
2. Use a sponge and commercial soleplate cleaner or baking soda and water to remove dirt buildup on the soleplate. Rinse well with water and dry. Don't use harsh abrasives or immerse an electric iron in water.
3. Use very fine steel wool (0000) or an emery cloth to remove scratches and burns on the soleplate, then clean the soleplate.

Hi,

Here is a tip that will help you with cleaning the sole plate of your iron...

Cleaning a Steam Iron Soleplate

heatman101

Hi,

Here is a tip that will help you with cleaning the sole plate of your iron...

Cleaning a Steam Iron Soleplate

heatman101


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Calc-Clean function
The Calc-Clean function removes scale and impurities.

To do so, set the steam control to position '0', set the temperature dial to 'MAX', and fill water tank up to the 'MAX' level. Then heat up the iron until the pilot light on the handgrip goes out.

Remove the mains plug from the wall socket and hold the iron horizontally over the sink. Then press and hold down the 'CALC CLEAN' button.

Move the iron forwards and backwards while boiling water/steam squirt from the holes in the soleplate to wash away impurities/scales.

When the water tank is empty, heat up the iron to dry it.

Finally move the iron to and fro on a piece of cloth to dry the soleplate. Repeat the process if necessary

I bought a new one.

Change your iron