Turn on for a few seconds then blinks and beeps continously

I have this Hotpoint heat pump tumble dryer machine since 2018 , now it doesn’t make heat, the tumble dryer seems to be running but it is not making Heat I have checked to see if the compressor is running and it is but does not seem to be getting warm

Stops whatever cycle after less than 30secs with E22 all lights flashing alarm. Have followed your videos and have continuity on safety thermostat but I don’t seem to have continuity on the other one, but I don’t seem to have a link cable. Tried continuity by taking off each wire but still nothing. Can’t find this part on spares websites.

every time i use my dryer machine, after its finished working i have the floor full of water under the machine

I have this machine since February 2020 and before it took 1 hour to dry and now it takes almost 2 hours.i always use the same program on the dryer. the towels can take up to 3 to 4 hours to dry which is ridiculous and if i just put a small amount of clothing in takes one to two hours please could you help me find the faults with this condenser tumble dryer I have seen some of your videos but not sure which is relevant to my machine

So, it makes a high pitched screaming noise and although the dryer is spinning and getting hot, in fact there’s steam coming from the clothes, it isn’t drying. I can hear the pipe at the rear making a sucking noise and there’s water in the drawer, maybe not as much as should be but its there.
Model, sutcd97b6gm(uk)
Ind code. 98568105500
Serial. 903044177

Above are all the codes I could find on the dryer.

We haven’t used it since it started acting up as we didn’t want to make anything worse, but the faults were as follows.

The dryer started making a screaming noise. I ensured everything was cleaned out, and as the noise seemed to eminate from somewhere near the pipes at the back, I disconnected them and made sure they weren’t blocked.
The screaming stopped for a while but I don’t think it was anything I had done.
I can hear a sucking noise from the pipes, similar to when you just about finish a drink with a straw and it makes that annoying sound?
The dryer was hot, there was steam coming off the clothes but they weren’t drying. As a complete layman, its as if the water was just going back in the drum.
There was water in the drawer thing where its meant to collect but I think there wasn’t enough.

Thats all the information I can give.
Please can you help me?

Kind regards

i have this hotpoint that is only 2 years old, but it stopped heating. do i need a new element ?

the water tank fills up, the empty water light comes on, but there is no water in the drawer but there is water in the pump case. I have taken the water tank off and cleaned it, the pump seems to work, the float switch is turning on the empty drawer light, but no water flows up the pipe? Is a new pump, Switch or float?

RCD tripped taking out all of the downstairs power while dryer was running.
Process of elimination pointed at dryer. As soon as I plug in and switch on the RCD goes again. Could it be a mains filter? If so, where is it?
PS, I’m a spark by trade.

Dryer was running normally until it stopped and started showing an error code with e21 and all the led options flashing.

We’ve cleaned out the lint trap, water container and the condenser but there has been no change. Only got the machine in may