Question about Miele 24 in. G638 Plus Free-standing Dishwasher

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I have a Miele G638SC plus. The same problem as a few folk in a blog. Cycle finsifes and pump sounds like it is continuing. Checked inlet filter OK, checked drain etc all OK. Red light on inlet drain flashing irregularly. Assuming it is the problem of the float valve in the bottom.Not sure how to reset or open up bottom of machine to see if it needs a dry out. The pump sounds like it is running even when the selector is in the off position.

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Miele G646SC Plus dishwasher Drainage / inlet warning light

It could be a clogged in the drain line. Often the problem is at the point where the drain line attaches to the garbage disposer or household drain line. You should remove this line and clear it form any debris in the hose or the hose connection. Be sure to reattach the hose before starting the dishwasher again. Good luck!

Posted on Sep 16, 2007

  • 1 Answer

SOURCE: miele dishwasher red inlet light flashes

This is most probably a software glitch. I had the same issue a week ago and my dishwasher is only about 2 yrs old and only gets used on average once a fortnight.

At first I did everything as the manual shows in the troubleshooting section. The whole process takes only about 5 to 15 minutes depending on how good of a handyman you are.

When I cleaned all the parts involved (all pretty clean to start with anyway) and connect them all back, sadly the red light wouldn't go.
It looked like I was stuck with the most hated option I had left: call the dreaded technician and be prepared to depart with some hard-earned cash.

Before doing that and out of desperation, I decided to surf the net for clues, blogs, forums, etc... and on one of them I found my answer.
One blogger suggested that "if anything else fails, try the 'reset' step" which means pressing at the same time the On/Off button and the Start/Stop button. That operation put a big smile on my face (and my wife's face too) as the red light magically disappeared.

My suggestion is "first try the reset trick and if that fails try and clean the parts as the manual shows". It'll save you headaches because the reset would do the trick in 90% of cases.

I work in IT and I can understand the fact that a software malfunction would trigger the red light and not reset it.

Good luck.

Posted on Aug 14, 2009

joe_lishman
  • 192 Answers

SOURCE: Inlet/drain light flashes on miele dishwasher and

The outlet pump is triggered by the anti flood micro switch via the polystyreene float on the base of the washer. If any water for whatever reason (leaky pipe)is on the floor the machiene automatically switches to pump out mode and only works once the water and the cause is rectified

Posted on Jan 17, 2010

  • 177 Answers

SOURCE: Have Miele G653 SCVi plus. We have inlet/drain flashing red light

Hi,

Sounds like something is caught in th drain pump as the unit has to drain first before anything else happens. Remove the filter and the non return valve which is under the clip in the sump of the unit. In the manual it shows you this. Make sure the drain pump is free of any foreign particles like broken glass. Then start the unit again so it goes to drain without the non return valve in place. This will then throw out any foreign particles as well.

or it could be the drain pump is activated all the time which is the noise you hear as there is a flood in the base of the unit which activates the float switch and constantly activates the drain pump until the water has gone. Isolate the unit at the power switch and remove the bottom panel under the door panel. Dry up the water as best possible with a towel. You will see the float at the front. Run the unit again and check for any water leaks. You may just have over sudded the unit with too much detergent. Only use 2 teaspoons of powder. To start with while testing don't use any detergent. Good luck

Posted on Mar 02, 2010

Testimonial: "Thank you for your excellent advice, the machine was flooded in the base when the panel was removed. "

  • 1 Answer

SOURCE: Miele G 7856 Commercial Dishwasher

Hi. The above machine stops mid cycle and drain/fill light is on, also error code F3E, have cleaned both hot and cold water inlet filters, also checked drain pump and drain line, all ok. Machine drains with no issues and fills with hot water, runs for a while then shuts down.
Any ideas?

Posted on May 29, 2010

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Dishwasher is not working. The red 'Inlet/Outlet' light is flashing. Any advice please Thank you


There are a few things you can check. First set the washer cycle to Stop and turn off the unit. Next make sure that the stopcock on the inlet valve is fully open. Then close the stopcock/valve and disconnect the inlet hose. Remove the seal and then the filter (use pliers). Clean this inlet filter with running water. Replace the filter and seal and reconnect the hose to your inlet valve. Reopen the valve (check for leaks from threading problems). Make sure the valve is fully open when you try to restart the dishwasher. Check your incoming water pressure at this valve as well - low water pressure will also trigger the inlet error. Make sure the hose is not kinked.

If the washer did any parts of the wash cycle, then try cleaning the outlet side of the system.
Next clean the combination filter, drain pump and non-return valve. For the filter (near the lower spray arm), turn the handle counter-clockwise. Lift the filter out and remove all debris. Rinse under running water and use a nylon bristle brush to get stubborn stuff out. Pull back the yellow clip and open the filter flap. Clean the underside of the filter with running water again.

Remove the water from the cabinet with any container that works. Raise the locking clamp for the non-return valve. Lift up the valve and clean it under running water. Carefully check the drain pump (now visible with the non-return valve out) and remove any debris. Sharp objects may be present. Move the impellers and completely check the pump for foreign objects and remove them. Replace the non-return valve and secure it with the locking clamp. Replace the combination filter so that it lays flat and secure it with the handle. Make sure that the drain hose is not kinked.

If neither of these solve the problem, you need to call for service. The Waterproof safety system has been triggered and water got into the electrical system of the unit.

Many Miele appliance manuals are here: http://www.miele.co.uk/customer/OperatingInstructions.aspx . The manual for the Miele G641 is here: http://www.miele.co.uk/Resources/OperatingInstructions/G%20641%20and%20G%20841%20Plus.pdf . See this manual for pictures of the filters and drain pump area.

I hope this helps.

Cindy Wells

Sep 14, 2011 | Miele 24 in. Novotronic G641 Plus Built-In...

2 Answers

Hi My dishwasher Miele G692 SC has the inlet/drain light illuminated. I have cleared the inlet and tap connection..... Any other suggestions before I ring Miele?


Have you checked the drain? On mine a small piece of broken glass had got past all the filters and had blocked the paddles of the pump - you have to release the spring clip and take off the top of the pump housing. Miele's seem very fussy about any blockages to the water outlet system.

You then have to hold down the start button to force a restart (cost me a call out to learn that) - but it is stated, sort of, in the problem fixing manual.

Nov 01, 2010 | Miele Dishwashers

1 Answer

Dishwasher miele g646sc-the inlet/drain light flashes yet the drain system is clean and working the inlet filter is clean and the filter washed


Hi dear.If the checked lights comes on after the main wash & then flashes(when on main wash cycle,if the main pump works for a few minutes & then stops for a while & so on...)that indicates main wash pump faulty.You need to replace the motor it self.I hope that helps.Thanks.

Aug 25, 2010 | Dishwashers

1 Answer

Miele G 7856 Commercial Dishwasher


Hi. The above machine stops mid cycle and drain/fill light is on, also error code F3E, have cleaned both hot and cold water inlet filters, also checked drain pump and drain line, all ok. Machine drains with no issues and fills with hot water, runs for a while then shuts down.
Any ideas?

Aug 20, 2008 | Miele 24 in. G638 Plus Free-standing...

1 Answer

Miele G638sc plus Inlet/outlet light is coming on. I've isolated everything and all I can think of is that it is the waterproofing system as there was a flood in the kitchen the day before. Trying to dry...


There is a float switch on the bottom panel of the unit. If the panel is full of water the drain pump will run and will override everything.

Sgt 48

Jun 09, 2008 | Miele Washing Machines

1 Answer

Miele G892 SC Touchtronic


check drain pump impelar is free, it can be found under the non-return valve below filter. also make sure drain hose and S trap is clear.

Mar 29, 2008 | Miele 24 in. G638 Plus Free-standing...

1 Answer

Drain pump runs continuously


Which model do you have and is there any fault codes showing on unit? I have all of the service manuels for miele products.I am factory auth. for service on miele.

Feb 22, 2008 | Miele 24 in. G646SC Plus Free-Standing...

1 Answer

Another inlet / drain light cycle interruption problem!


When the water stops too soon, it could be the "over flow" is stuck in the downward position, therefore the dishwasher thinks it's going to over flow. Check that out. Otherwise I'm afraid this sounds like the circuit board is shot.


Miss Midget

Nov 02, 2007 | Miele 24 in. G646SC Plus Free-Standing...

2 Answers

Wash motor does not run: Inlet/Drain error


Wordhog: Does sound like a siezed wash pump to me. Wash motor needs to run to get the correct level of water.

To drain a Miele dishwasher, start the machine on a cycle. All the Miele range of dishwashers drain before filling. Then hold in the start button until the end/finish light is lit. Keep doing this until all the water has gone. You could just get a jug and bail it out. Once the jug does not do the job anymore, switch to a cup, I use a very large syringe for the remaining half a litre.

Oct 28, 2007 | Miele 24 in. G646SC Plus Free-Standing...

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