Question about Hotpoint Aquarius WD63 Front Load Washer/Dryer

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Hotpoint Door Interlock Switch

What's the procedure for changing the door interlock switch on a Hotpoint WM64X please?

Posted by John Gater on

  • John Gater Jan 05, 2007

    Thanks lostboylad. I replaced the switch yesterday before reading this post.
    After disconnecting the power, I removed the top lid, then unscrewed the switch (2 screws) from the front and let the assembly dangle. I pulled the whole assembly up by letting the cables slip away from the retaining tidy at the edge of the machine. I replaced the unit, which has only 3 push-on terminals. I screwed back the new part & finally pushed the cables back under the tidy. Note that if I had short arms I couldn't have done it this way! BTW the symptoms were having to bang the front to start the washing cycle.
    This was the fault in my case. Your info is still valuable, as I now know where all the screws are!
    I also fixed a knocking/banging problem on fast spin by levelling the machine. My floor slopes back, so I built up the rear of the machine using a pair of caster cups that are normally used to protect carpets. Thanks again.

  • Anonymous Mar 21, 2014

    door lock light not coming on when door is closed



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If it's anything like the WM65 then I did it myself this evening. Be aware that I'm no professional. POWER SAFE? Three screws on the back of the top cover. Top off Remove the soap/fabric softener tray. Four screws off around the gap that's left. Three knobs to pull off (it helps if you remember which way they are set when you do this!) Take the rectangular control panel off, which should now be loose - it has interlocks on the right hand side, so be careful not to break them. You may need to tie or tape the panel safely out of your way to te top of the machine. Three screws off the top off the door section. Open the door unscrew the two short screws holding the lock plate. The interlock switch will fall off the back of the door, held on by it's power supply. Stick your hand round the back and pull it clear. Swap the mechanism (mine cost £14) Reverse procedure. Good luck. This wasn't the fault on my machine in the end. boo hoo!

Posted on Jan 05, 2007


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Hotpoint washer wont work

From the manual page 24:
'Door' is flashing in the display window...
?Shut the door firmly, until it clicks.
The symbol should now go out.

I suspect the door sensor has failed. It thinks you haven't closed the door, so it refuses to do anything at all. It's called a Door Interlock, it has a switch or sensor built into it.
First try unplugging the washer for 60 seconds and plugging back in to try to reset the controller. (Dry hands only!)

If the door interlock is a simple switch, you should be able to check it with an ohmmeter. I would check it first before buying a new one.

The part number is HPTC00085194 or C00085194, here are a couple places you can buy one. You can also find them on ebay.

Washing Machine Door Interlockby Indesit

Door Interlock Washing Machine

WASHING MACHINE DOOR INTERLOCK C00085194 design may vary

Sep 21, 2016 | Hotpoint Ultima WF860 Front Load Washer

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The first thing to check is - does the washing machine still have water inside? If there is obviously still water inside the machine then this is possibly the cause of the door not opening. Drain the machine.

Can't see any water inside

If you can't see any water inside then it may be caused by various faults listed below. Here's a list of the most common causes of a jammed door -
  1. On some machines if the pressure switch doesn't reset to empty it keeps the door lock energized. If this is the case though, unplugging it should allow the door lock to cool down and open after a few minutes.
  2. The water hasn't pumped out properly (or a blockage in the pressure system is holding the pressure switch on) - but only if the washing machine has a pneumatic (air operated) door safety lock (a rubber hose connected to the door interlock and connected to a pressure chamber bottle on the tub - water forces air up this tube and locks the door)
  3. The water has pumped out properly, but the pressure switch hasn't reset due to a faulty pressure switch or blockage in the pressure system - or the water hasn't pumped out properly and the pressure switch hasn't reset because of the water inside. A faulty pressure switch, or blockage of debris inside the pressure chamber bottle could also be trapping the air that's operating the door lock (if a pneumatic lock is fitted - not many have these days).
  4. The door interlock has just jammed
  5. The door catch, handle, or some part of the door catch mechanism is broken and not opening the door
  6. ****** (a device that detects the motion of the drive belt fitted to many older Hotpoint washing machines which "pecks" at the belt when the door handle or button is operated) is broken or has fallen off
Opening a jammed door Do not take the lid off and reach inside the washing machine to try and release the door if the washing machine is still plugged in as you will be electrocuted.
The most common cause of a jammed door is likely to be a faulty door interlock. Sometimes you can release the door from the inside by manipulating the door interlock or forcing the door catch out from it. But they sometimes just have to be broken away from the machine. If you need to do this make sure you -
  1. Unplug it
  2. Break the interlock off from inside the machine, don't force the door or you will just break more parts

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Try pushing the door in as I suspect the door interlock switch is stuck, if this dosen't work you will have to replace the door interlock switch which can be purchased from and is reasonably easy to fit as can be seen on YouTube .

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I'm old fashioned and am not familiar with the "duff door interlock switch" term. However, you are familiar with the fact that there is a switch that is activated when you close the door. That switch or a post that pushes that switch is not doing it's job.
Could be that the switch is not working properly or the post is broken.

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I would check that first. Please report back, OK?

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