ISE 1606W (Asko WM25) no drum rotation

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  • #83606
    halftone
    Participant

    We have an ISE 1607W. After an F3 fault that turned out to be a £1 coin in the filter, there is no drum rotation. Drum filling and emptying appear normal, but the drum does not move. Any cycle aborts after a few minutes fill/pump action with no fault code.

    I called our local engineer who told me that he couldn’t help due to ISE having ceased trading, spares being unavailable, warranty evaporated into thin air, and him being personally owed money (presumably for warranty work he’d completed).

    I’m not here to complain but to try and find out what the fault is and how to fix it DIY if at all possible. Our machine is 7 years old and I love it.

    I have had the back off, removed the belt and motor and checked the motor with a multimeter. It seems OK. Multimeter reads ~18ohm across the tach terminals, and the 3 motor terminals each show ~3.9ohm between each other. This seems plausible for what seems to be an induction motor. There’s no sign of open circuit windings nor shorts to earth. Everything rotates freely. No leaks, or scorch marks, the whole interior of the machine looks like new.

    However we have had a few oddities lately – cycles that counted down to 2min then took about another half-hour to complete. At other times they’ve been fine.

    At this point I suspect I am looking for a sensor or controller fault (or wiring).

    Any suggestions re likely causes would be very helpful. Any suggestions about what to test, or where to get a faulty control board tested or repaired? Please.

    There seems to be a disappointing lack of technical and diagnostic material on the web. Since it appears engineers are now unwilling to involve themselves with ISE repair, it would be extremely helpful to stranded customers if this was now made available.

    I am mechanically very competent, and have only basic electronic knowledge but am competent not to electrocute myself or blow things up. I have a son who’s a development engineer on electric vehicles, who could help with more complex stuff. I just need to fix this machine ASAP as we CANNOT afford a new washing machine.

    And the next issue is of course spare parts. Can these be sourced from Asko or Gorenge? I’m guessing there is some scope for substitution of components from them, or perhaps other brands. Contact details would be appreciated if so.

    #423241
    kwatt
    Keymaster

    Re: ISE 1607W no drum rotation: diagnostic help please.

    This may help…

    K.

    #423242
    halftone
    Participant

    Re: ISE 1607W no drum rotation: diagnostic help please.

    Thank you. Unfortunately I sabotaged this thread by mis-stating that the machine is a 1607W. It is the previous model, the 1606W (Asko WM25 type). I will start a new thread.

    #423243
    halftone
    Participant

    ISE 1606W (Asko WM25) no drum rotation

    We have an ISE 1606W (rebadged Asko WM25). After an F3 fault that turned out to be a £1 coin in the filter, there is no drum rotation. Drum filling and emptying appear normal, but the drum does not move. Any cycle aborts after a few minutes fill/pump action with no fault code.

    I called our (excellent) local engineer who told me that he couldn’t help due to ISE having ceased trading, spares being unavailable, warranty evaporated into thin air, and him being personally owed money (presumably for warranty work he’d completed). This is even grimmer than ISE ceasing trading. If engineers won’t now work on the machines, and only they have the knowledge, customers are completely stuffed. ISE had promised that technical manuals would be publicly available. That was one of the reasons I bought the machine – it was a reason why I won’t ever buy another Renault, who think only franchised workshops should have this sort of essential information.

    I’m not here to complain but to try and find out what the fault is and how to fix it DIY if at all possible. Our machine is 7 years old and looks like it should continue for many years aside from this fault.

    A reset (Power On with Start depressed) makes no difference.

    I have had the back off, removed the belt and motor and checked the motor with a multimeter. It seems OK. Multimeter reads ~18ohm across the tach terminals, and the 3 motor terminals each show ~3.8ohm between each other. This seems plausible for what seems to be an induction motor. There’s no sign of open circuit windings nor shorts to earth. Everything rotates freely. No leaks, or scorch marks, the whole interior of the machine looks like new.

    However we have had a few oddities lately – cycles that counted down to 2min then took about another half-hour to complete. At other times they’ve been fine.

    At this point I suspect I am looking for a sensor or controller fault (or wiring) but I have been unable to find anything obvious.

    The tubes to both the pressure sensor and the pressure switch are clear. The machine drains efficiently from the drain pump.

    I’ve checked both the front panel control board and the motor control board for dry joints, signs of failed components (overheating, bulging electrolytic capacitors etc, poor connections). Can’t find anything obvious. But without knowing more about test measurements I am stuck.

    Any suggestions re likely causes would be very helpful. Any suggestions about what to test, or where to get a faulty control board tested or repaired? Please.

    Since it appears engineers are now unwilling to involve themselves with ISE repair, it would be extremely helpful to stranded customers if full diagnostic information was now made available.

    I am mechanically very competent, and have only basic electronic knowledge but am competent not to electrocute myself or blow things up. I have a son who’s a development engineer on electric vehicles, who could help with more complex stuff. I just need to fix this machine ASAP as we CANNOT afford a new washing machine.
    And the next issue is of course spare parts. Can these be sourced from Asko or Gorenge? I’m guessing there is some scope for substitution of components from them, or perhaps other brands. Contact details would be appreciated if so.

    #423244
    iadom
    Moderator

    Re: ISE 1606W (Asko WM25) no drum rotation

    Merged threads, it only gets messy if you don’t keep it in one place. 😉

    #423245
    ajsdoc
    Participant

    Re: ISE 1606W (Asko WM25) no drum rotation

    Is there any reason that ALL technical information for the ISE machines can’t be put in the public domain for all to see before ISE finally shuts up shop?

    That was one if the promises – all technical info freely available. At least to engineers, which I suppose now means freely available.

    At least I think it was.

    There could be a reference section linked from this website, for example.

    #423246
    kwatt
    Keymaster

    Re: ISE 1606W (Asko WM25) no drum rotation

    I will accept no responsibility for how this is used by people.

    If you don’t know what your’e doing and wreck the machine or injure yourself or others, it’s on you.

    Some may go when the ISE site shuts down.

    K.

    Generic To The Entire WM25 Range

    Full WM25 series service manual

    Full WM25 series service manual 1406/1606

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    Parts manual

    Instruction manual

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    Service manual that covers the WM70 Series

    User Instruction Manual

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    Spare parts manual

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    User instruction manual

    Wiring diagram

    #423247
    ajsdoc
    Participant

    Re: ISE 1606W (Asko WM25) no drum rotation

    Thank you.

    That’s appreciated.

    #423248
    halftone
    Participant

    Re: ISE 1606W (Asko WM25) no drum rotation

    Thanks Kwatt, that is very helpful, especially the parts listing – if the worst comes to the worst, correct Asko parts can be sourced from the USA.

    I have further checks to make but it is looking as if either the PCU or MCU are faulty and providing no drive to the motor. I have been unable to find any fault with the motor, sensors or wiring. My (tentative) theory is that restarting the machine after the F3 fault was cleared may have caused component failure due to excess current (starting torque with a heavy drum full of wet washing).

    I understand this is unlikely – not least because I can see no sign of component failure/overheating on either control board. However a previous 1606W thread with identical symptoms turned out to be a PCU failure (I PM’d the owner for more details than appeared in the thread). However I’d expect the MCU to be what would suffer from excessive current demand.

    If I am unable to pin down the fault is Whitegoods able to test these ISE modules as a paid-for service? I ask because obviously I don’t want to waste money on needless replacements, and I note you apparently do have the capability:

    These parts are seemingly very complex and yet, in most washing machines are also one of the least likely to actually fail. In tests less than 30{e5d1b7155a01ef1f3b9c9968eaba33524ee81600d00d4be2b4d93ac2e58cec2d} of all supposed electronic control modules that we receive back for testing actually have a fault on them which would indicate a greater than 70{e5d1b7155a01ef1f3b9c9968eaba33524ee81600d00d4be2b4d93ac2e58cec2d} chance that, if you think you need a timer or module, the diagnosis will be incorrect.

    http://www.ukwhitegoods.co.uk/help/fix-it-yourself/spare-parts/2733-are-you-sure-you-want-that-part.html

    Whitegoods currently still lists both controllers. Does this mean you have stock? Both are available from US sellers of Asko but obviously I would prefer to buy from Whitegoods if possible, especially if you are able to test my existing modules ahead of purchase. I’d rather spend money on carriage and testing, ahead of purchasing whatever is necessary.

    #423249
    kwatt
    Keymaster

    Re: ISE 1606W (Asko WM25) no drum rotation

    We dont’ have any for the 1606 I’m afraid. They are on order but I don’t have an ETA presently.

    We don’t have access to a test rig for those now either.

    I’d try EMW and see if they can repair it as, if they can, it’ll be a whole heap cheaper.

    K.

    #423250
    ajsdoc
    Participant

    Re: ISE 1606W (Asko WM25) no drum rotation

    What was the link with Asko and Maytag and do Maytag have a repair network in the UK? Don’t suppose they’d repair an ex competitor’s machines but would parts be available from them?

    #423251
    kwatt
    Keymaster

    Re: ISE 1606W (Asko WM25) no drum rotation

    Maytag were an Asko distributor until a short time after Whirlpool bought Maytag.

    Whirlpool dropped Asko product, so far as I am aware, in 2011.

    Almost all support for them is now gone, we’ve sourced some parts for Maytag machines that we could get at least until the ISE spares account went. Now I’ve no clue what support, if any at all, is there.

    What Gorenje’s intentions are with the Asko business going forward I do not know but there have been significant changes.

    K.

    #423252
    halftone
    Participant

    Re: ISE 1606W (Asko WM25) no drum rotation

    Thanks. I’m trying to get a clear picture of the spares situation. This 1606W failure hasn’t dented my liking for the machine at all. It has worked extremely well for many years, and actually getting inside it and rummaging around I can really appreciate how good it is. I’d dismantled a few previous washing machines that failed and been pretty disgusted at how they’re engineered for factory assembly and a short life, and to be pretty much maintenance-proof. The warranty situation is unfortunate, but it scarcely matters given the engineered-in reliability and ease of access. If I have to spend a couple of hundred quid over 10-15 years to keep it working, it’s far better than a £300 lump of crap every 3-4 years. But the availability of spares is crucial, so I am keen to understand just where we are with that.

    As I understand it, Whitegoods was and is the spares distributor. Since the failure of ISE, Whitegoods can only source spares direct from Asko (or perhaps via other EU distributors of Asko). Can I ask: why is this problematic, or different from all the spares that Whitegoods sells for other brands? Is Asko witholding spares because of legacy problems with ISE?

    I have to say that personally I would accept it if the ISE commitment to sell spares at cost now dies with the company. I would prefer to pay a margin that makes spares supply a viable proposition for Whitegoods (or whoever inherits spares sales from ISE) than have a situation where nobody is willing to supply spares because there is no business case for doing so.

    Meanwhile, until this gets sorted out, are there EU distributors of Asko parts who might sell to engineers or customers? I can only find US sellers of WM25 parts.

    #423253
    kwatt
    Keymaster

    Re: ISE 1606W (Asko WM25) no drum rotation

    Okay, I will try to explain as best I can.

    ISE held and distributed spares.

    UKW bought spares from ISE. Largely as ISE didn’t have the facility to sell spares publicly and UKW did.

    So, UKW never was a spares distributor for Asko and did not and does not have a direct account there or with Gorenje. To set up direct spares accounts is, will we say, not a fast process and you can’t even buy proforma until there’s an account to lodge the orders to more often than not.

    The world of spare parts is full of twists and turns.

    One of which is that we can often source by other means. I have put in a request for a current price and ETA on that part for you, hopefully will have an answer soon.

    K.

    #423254
    halftone
    Participant

    Re: ISE 1606W (Asko WM25) no drum rotation

    Thanks again, Kwatt, that explains the situation so even I can understand it.

    The better news is that, as of 10 minutes ago, I don’t actually need any parts. I found the fault whilst probing the push-on motor loom connector to the MCU with a multimeter – a faulty connection between one of the tach wires and the multi-connector block. The block is the type where blades cut through the insulation into the conductor, and for some reason (several years of vibration I daresay) it wasn’t making good contact. It just took a poke to seat the wire properly. The machine is now fixed and quietly catching up with 2 weeks of laundry. Actually a bit quieter than ever – the belt was slightly misaligned and riding up on the flange, so I’ve fixed that too.

    This all means my wife might not now divorce me. She’s been nagging to just go and buy another machine, and I’ve been clinging to my gut feel that there wasn’t much wrong and it could be fixed for far less.

    Did I mention that I love this machine? It’s actually extremely nice to work on. I don’t expect to be doing it often, but hopefully if and when I do need spares, Whitegoods will have that sorted out. Thank you very much for your help, especially making the manuals available.

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