Hotpoint LFT114 Power + eco light flashing

[NewkieBrown]

Hi, and first of all thanks for a brilliant board.

We have a LFT114 dishwasher that was working but now it doesn’t finish any wash cycle with the power (on/off) + eco buttons flashing.

I rang Hotpoint technical but they are clueless as to what this means… that or he didn’t want to tell me.

I tried a pre-wash cycle and that works fine.

From what I can gather searching the web this could be a heater fault, can anyone confirm? If so what should the element resistance be so I can check it.

Thanks in advance.

[iadom]

Re: Hotpoint LFT114 Power + eco light flashing

Always best to give the flashing lights by number from left to right on these, ignoring the mains light I am guessing that it is light No:4.

If so then that is a heater fault, resistance should be 29.20?

If the ntc has come adrift from the sump that will also cause this fault and the module is also a weak area on Indesit appliances.

[NewkieBrown]

Re: Hotpoint LFT114 Power + eco light flashing

Very much appreciate the reply.

Yes, it is the 4th (eco) light that is flashing. I’ve tested the heater resistance and that checks out ok, it’s 32.4? not 29.20? but that just may be my meter is out of calibration. But I’m guessing this is close enough and proves it’s not open circuit.

The NPT was firmly in its housing and not come adrift. I’ve tested the resistance at room temperature (15º, my kitchen is cool atm) and the resistance is 18.68k? (again, my meter may not be deadly accurate. And when I hold the probe in my fingers to warm it up it does reduce the resistance steadily… I’ve uploaded a video clip to YT to show:

https://www.youtube.com/watch?v=sA6ltFXxsxI

So I’m guessing the probe is actually working? Is that in right ball park as far as resistance goes? I’ve checked the pcb and see nothing that worries me… no burnt components, no burnt out tracks. I do not have the knowledge to be able to test components individually though.

I suspect my next step is to check the door panel controls / connections? But does the NPT actually send a signal to the door control or is it all done on the pcb at the bottom?

I could really do with a wiring diagram.

Really appreciate the reply, thanks.

[iadom]

Re: Hotpoint LFT114 Power + eco light flashing

NewkieBrown wrote:

I could really do with a wiring diagram.

Me too. 😥

Those readings seem fine

You can also check the wiring harness inside the door panel, prone to breaking due to opening and closing of door. If all that checks out then the relay on the pcb could be faulty.

[NewkieBrown]

Re: Hotpoint LFT114 Power + eco light flashing

Already checked continuity between the pcb and door… all ok, in both opened / closed positions.

Decided I’m just gonna bin it. No point in throwing good money after bad. And anyway, fed up that I’ve just wasted a good 3 hours of my day off, and all the time I’ve spent before that… don’t want to waste any more time on it. And now my feet are wet 🙁

Got any recommendations for good reliable dishwashers? (apart from Hotpoint that is).

I’d like to get a direct replacement as far as taking my door off / fitting it to the replacement. Do all integrated dishwashers have the same fixing points as far as fitting the door goes?

Thanks for the help.

[iadom]

Re: Hotpoint LFT114 Power + eco light flashing

A difficult one, would have said Bosch until recently but lots of reports of leak problems on the trade side. Miele very good but pricy.

Bear in mind that your Hotpoint is 100{e5d1b7155a01ef1f3b9c9968eaba33524ee81600d00d4be2b4d93ac2e58cec2d} Indesit. :rolls:

Smeg are reasonable as well.

[NewkieBrown]

Re: Hotpoint LFT114 Power + eco light flashing

Ok thanks, I’ll have a shop around…

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