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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Whirlpool washer timer questions
I have a new Whirlpool-made Sears Kenmore 80 series direct drive washer
(non-Calypso) with a mechanical timer. This and older belt-drive Whirlpools are designed to pause for several seconds just after the wash cycle has ended and just before the rinse cycle begins and also pause another several seconds between the end of the rinse cycle and the start of the spin cycle. However, with this washer if the lid is opened during either pause, the timer will buzz and occasionally whir and make popcorn-like noises (gears clashing)?. The noises disappear immediately when the lid is closed and resume when it's opened again. The buzzing is not the normal timer motor noise, which is much quieter. I'm mostly concerned about the irregular nature of noises A Sears technician (real technician) told me, over the phone, that these noises are normal for this model and that they're caused by the "AC-to-DC transducer" shutting off current to the rest of the circuit and the power having nowhere else to go. He also said the device could burn out if left in this condition too long. I'm fairly sure he did not mean "transformer," although he did make a comparison to a model train set, which would imply a transformer, but this noise isn't like anything I've heard from any 60 Hz transformer or coil. And why would it be an AC-to-DC device? I thought Whirlpool washers with mechanical timers used only AC internally and never converted anything to DC. What are these noises, and are they really normal? |
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Whirlpool washer timer questions
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Whirlpool washer timer questions
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#4
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Whirlpool washer timer questions
buffalobill wrote: you are not alone, see: http://applianceguru.com/forum2/4765.html I am alone - that thread was started by me. |
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Whirlpool washer timer questions
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#6
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Whirlpool washer timer questions
Tony Hwang wrote: Hi, No schematic on the washer? It'll give a clue. Unfortunately it's inside, and the whole exterior has to be removed (it comes off in one big piece) to reach it. I looked at the electrical diagrams of an older Whirlpool, but it doesn't show what happens inside the timer, only what the timer controls. This washer replaces one installed a few weeks ago, and I have a feeling I'll soon end up replacing it as well, not only because of its timer but also some growling from below. |
#7
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Whirlpool washer timer questions
Ken Weitzel wrote: Wonder if what you're hearing isn't a slightly mis-adjusted self holding relay chattering? That's a possibility, and I can't tell whether the noise is from gears or relay contacts, but in the diagram for the old washer there don't seem to be any self-holding relays or solonoids. By the way, if you buy a scratch & dent appliance from Sears, most of the scratches and dents on returned items are probably made by Sears because they don't use any padding on their hand trucks or lift from the rear. |
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Whirlpool washer timer questions
mm wrote: On 17 Jan 2006 18:48:07 -0800, wrote: (non-Calypso) with a mechanical timer. This and older belt-drive Whirlpools are designed to pause for several seconds just after the wash cycle has ended and just before the rinse cycle begins and also pause another several seconds between the end of the rinse cycle and the start of the spin cycle. My old one pauses too. It has something to do with permanent press I think. Does it pause in other cycles? Just curious. This pause is different from the cool-down pause for permanent press, and it happens even during the regular wash cycle. However, with this washer if the lid is opened during either pause, the timer will buzz and occasionally whir and make popcorn-like noises (gears clashing)?. The noises disappear immediately when the lid is I disabled my lid switch, so it always things the lid is closed. (I stuffed some paper towel in the hole) but I don't think anything should make those noises when the lid is up. closed and resume when it's opened again. The buzzing is not the normal timer motor noise, which is much quieter. I'm mostly concerned about the irregular nature of noises A Sears technician (real technician) told me, over the phone, that Do you have his assureances in writing? If not, they're almost worthless? Do you know his name? If not they're definitely worthless. If you do have his name, he may quit or be kidnapped at any moment. Worthless again. This Sears person seemed to have that rare, long-lost commodity - actual knowledge. But having his name only makes things someone says valuable if you subpoena them for your small claims trial. Even then he might not be able to show up, or he might lie, or he might not remember, or he might have learned better since he said it, and that's why he really can't remember. I am shocked, simply shocked, that an employee of a corporation would actually lie to the public. these noises are normal for this model and that they're caused by the "AC-to-DC transducer" shutting off current to the rest of the circuit and the power having nowhere else to go. He also said the device could burn out if left in this condition too long. And he didn't actually give you good assurances. If you leave the lid up for too long, something will burn out? That's absurd, and I don't believe it. I wouldn't rule it out because this machine doesn't seem to be designed with as much thought as the 1981 Whirlpool it replaced. For one thing, if you start the wash cycle in the middle, it will agigate even without water in the tub (the old one would always fill, no matter where the washer was started in the cycle). And another detail overlooked: the lid knocks into the timer knob, which I'm sure will wear out the paint one day. I also don't believe that anyone who says in seriousness that "the current has nowhere else to go" knows what he is talkilng about. How do you know he was a real technician, and how do you know he wasn't on drugs? That part didn't make sense to me, and I thought he merely oversimplified the explanation in case the customer didn't understand electricity. He did know about some not-so-obvious mechanical details about the suspension. What are these noises, and are they really normal? Probably not. I've almost never bought anything new. What does it take to get a service man to respond to a complaint? The problem is that, In my experience, the best technicians tend to hardly talk. |
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