The machine stops at rinse cycle and beeps when i open there is lots of suds of soap and it wont go further is there anything i can do or do i need a repairman

Run the machine empty with a bar of everyday soap (not sure what you have stateside but in the uk it would be something like LUX or SHIELD the solid block type). This should kill the suds already in the machine. If the d/w is creating a lot of suds, it could be because you soaked an item in regular hand wash liquid and didn't rinse it well enough before finishing it in the d/w or the rinse aid is set too high or not dosed correctly. If you had just filled the rinse aid then you may have just been a little heavy handed and allow excess into the machine. When you refill rinse aid and salt it is best to run the shortest wash to clear any residue spilled. Hope this helps

Keeping in mind that the soap & bleach gets dispensed into your wash on the second to last rinse cycle and that most all rinse cycles are in cold water. Is your cold water valve screen plugged causing your washer to rinse poorly? Are you using the HE detergent? If not maybe the washer is sudsing up to much and having a hard time rinsing all the suds and bleach out and leaving the clothes soapy.

Fill the washer up with no clothes in it on a cold/cold wash setting does it take a long time to fill the washer up? Also when it is full and agitating is there suds in the washer?

Last suggestion is if the drain is hose is a lot higher than the top of the washer it might have a hard time draining out all of the soap water before the next load

it can take a lot of flushing the machine to remove the buildup of suds producing wash powder. I'd double check the wash powder, and try and put the machine into "no eco" mode, so it won't recirculate the water, this may help was out the suds on an empty cycle.

You are putting too much soap before you begin the wash cycle...... When the word SUDS is displayed then on the rinse cycle there is too much soap and the suds are still on the clothes. Try cutting back on the soap, maybe cut back almost 1/2.

Press Chime and Extra rinse keys for three seconds or until the control beeps. You are now in service mode and your machine should say a new error code. Depending on what that code is, you might be able to reset your machine by unplugging it, and replugging it in. if your codes are now clear, try running machine on spin only or rinse cycle. DO NOT add more soap!!! If this corrects your problem, try running a load with out soap. You may have a lot of extra soap in your machine.

This is strange. Are you using an electric dishwasher liquid soap, OR are you using a dish soap that you manually use to wash dishes?
REGULAR dish soap liquid that is not specifically made for dishwashers creates a foamy suds with lots of bubbles that will in fact bubble out of your dishwasher. on the other hand. Electric Dishwasher detergent will NOT create foamy suds with lots of bubbles.
Switch your soap. The next cycle any residue suds or soap will be gone as long as you use the proper liquid detergent. I would also recommend using a rinse agent which further helps break down and rinse off residue.

your using way to much soap
during that whole 1 minute cycle it is detecting suds and trying to rinse the cloths further
cut way down on the soap here
you should be using 1 tablspoon per load
wash one load without anyy soap at all
this should help to reduce your suds lock

Sure it's not SUD ?? which means you may be using the wrong detergent for a front loader. Use HE detergent.. it has no suds.

Rinse the machine out by using the quick or express wash cycle with cold water and two cups of vinegar in the soap dispenser.

Once those suds are gone, it may take a while, ie a couple of vinegar rinses, it should work just fine.

Drop the drain hose so that it is lower than the drain and let all the water run out of the machine. Open the door and remove all washing. Let machine go through rinse cycle with some milk mixed in with the water, (pour the milk into the soap container, about one cup) and make sure there are no soap suds left in the machine. Check that you are using washing powder which is recommended for front loaders.