Light switch is on but after warm time try to press for coffee nothing happen, the machine is clean, full of water no flashing of lights as normal but light is on. Try the steamer for cappucino and its working

It sounds like it may be faulty as it seems you are doing everything right.

3 Easy Ways to Clean a Tassimo - wikiHow

https://www.wikihow.com > ... > Coffee Machines
21 steps
1.
Find the yellow or orange cleaning disc in your machine. Every Tassimo coffee machine comes with one. You'll put this disc in the coffee pod slot so that ...
2.
Set the disc into the brew head. The brew head is where you normally stick your pods. Open it up, and set the cleaning disc inside. Make sure the barcode on ...
3.
Make sure the tank is at least half full. Pull out the tank, as it comes completely away from the
More here
https://www.google.com/search?q=tassimo+happy+coffee+pod+cleaning+instructions

your not far,
test your switch with a test light
or you could always jumps the wire direct to your pump
if nothing works check for parts on ebay.

Use a paper clip to clean the Needle that penetrates the Kcup. If it still happens call 1-866-901-2739 for direct assistance.

Press the "CLEAN" button and it will light up red. Then press the "ON/OFF" button which will light up blue. Be patient, nothing happens right away, but the cycle has begun. In a few minutes the water reservoir will begin to empty. This self-clean/decalcification process takes approximately 30 minutes. Then pour the water/white vinegar solution out of the coffee reservoir, rinse the water and coffee reservoirs and run one cycle of fresh cold water through before using to brew coffee.

Turn the steam a let it run twice. Turn off and start the machine again as normally use.

Sound like the diodes stuffed FOR THE MAIN UNIT.
I'd be taking back to the supplier/ STORE

I think it's to late but for others how meet the same problemFirst use must begin a self clean using the tape for hot water and press the blinking water drops button

The machine is sensing one of the following is not properly fitted in.
Check bean lid, brewing unit is properly latch in, dreg drawer and tray is in, and water tank. And make sure the knob is in off position. If all those are properly in ..the green light will start flashing and warming up. When it reaches the working temperature it will start rinsing and it's ready to use.

There are a couple of sensor switches on this machine to prtect user and also machine. flashing red right is the worning of some sensor is reporting unusual situation. Can I suggest you to check left side ground case is cleaned and pushed enough in to main unit, open the front upper door and check if brewing unit is staying right, water ok, having coffee, etc.

try to run out hot water,