Indesit WIDL102 washer/dryer flashing LEDs

[helo_75]

if the thermistor was faulty or out of calibration, the machine would show an f3 fault

to be fair, they dont fail very often, and a heater element should cure your fault
i think theres two different heaters on that machine, so it may be worth taking it out and measuring it
thermisters are inexpensive, and may well be worth changing at the same time if your not sure

let us know how u get on

[helo_75]

http://shop.ukwhitegoods.co.uk/Washing+ … ensor.html

is the thermister

[iadom]

Re: Indesit WIDL102 washer/dryer flashing LEDs

Elements are 170mm part number C00066086….210mm, C00064556.

Neither appear to be in the shop but an e-mail to spares@ukwhitedgoods.co.uk should get you price and delivery details.

Jim.

[Chappers]

Re: Indesit WIDL102 washer/dryer flashing LEDs

Ordered the heater element from the online shop after it was helpfully added to the shop contents. Have fitted it and it works, but last night it boiled like hell, filled the whole place with steam and left water leaking our of the machine’s case.

Seems I was right to suspect the thermistor was buggered, because it’s still just staying on wash cycle permanently as well as boiling. I knew an NTC thermistor shouldn’t read in the hundreds of kilohms, but thought maybe it wasn’t a straight thermistor but had other components built-in. Obviously not. Must have been damaged when the element overheated with the lack of water when it was siphoning.

A note to others: as I have tried to explain to someone at work going through corgi training for gas appliances (for when he’s fixing combi boilers), NTCs can either fail completely and go open-circuit – which is easy for a detection circuit to detect and flash a fault code – or they can just go high in resistance making the equipment think that the temperature the sensor’s detecting is low, or they can work normally upto a certain temperature at which point they go open-circuit, which will fool every boiler I’ve come across into not detecting a fault and therefore not showing a fault code.

So don’t always trust fault codes will save you like muggins here did. Got to hope no damage was done now, although I reckon I got away with it.

Thanks for everyone’s help. When the thermistor arrives (ordered from here today) I’ve no doubt all will work well.

[helo_75]

dont be shocked if the boards faulty!!

like i said previously an ntc out of calibration is supposed to be picked up by the pcb

the ntc isnt too expensive, so well worth a go

[Chappers]

Re: Indesit WIDL102 washer/dryer flashing LEDs

Yep, it’s definitely worth a go, fingers crossed. I’m hoping it’s just that because the one in there reads like no NTC thermistor I’ve ever encountered.

Generally they read 6 – 12K or so at room temperature and increase from there. To read getting on for 650K is odd, it means with temperature increase it’s going to be approaching one megohm which is a hell of a resistance. Also the fact it’s giving different readings depending on meter lead polarity is strange too, because it means putting the connectors on the other way round is going to give a very different resistance to the main board, and since the leads aren’t marked, it’s easily done. Normally it shouldn’t matter which way leads go because readings are identical either way through the thermistor.

Also, I tested it using ice and off-the-boil water, and the readings stayed static, although both readings kept climbing while the meter was connected regardless of temperature as though the meter was charging the device – something I’ve only ever encountered when testing a component that has a capacitor in parallel.

Should the board be faulty, I’ll check it over and see if it’s reparable.

[Author]

Posts