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Techdesk
Techdesk, Service Engineer
Category: Appliance
Satisfied Customers: 16407
Experience:  Whitegoods engineer working for a multibranded national company in the UK
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I have a Whirlpool gas hob and the problem is that only one

Resolved Question:

I have a Whirlpool gas hob and the problem is that only one ring stays alight, the other three go out as soon as I release pressure from the control.
Submitted: 2 years ago.
Category: Appliance
Expert:  Techdesk replied 2 years ago.
Hiya,
Can you post the model number of the appliance please?
If not, is there an ignition probe and a thermocouple at each ring?

Thanks
Customer: replied 2 years ago.


Model No. AKM274/1X

Expert:  Techdesk replied 2 years ago.
Hiya,
Thanks for that.

Check that the thermocouple is in the flame coming from the hob.
Ensure the flame spreader isn't blocked.

Did all rings fail at the same time or 1 by 1?

Thanks
Customer: replied 2 years ago.

Thermocouple is in flame.
Flame spreader is not blocked.


Two rings failed and the third approx. 15 mins later.


Fourth ring still OK.

Expert:  Techdesk replied 2 years ago.
Hiya,
Unfortunately there's only the thermocouple linked to the gas valve.

There's no mains electrical circuit other than for the ignition.

You have either 3 faulty gas valves or 3 faulty thermocouples.

To check, you would need to swap the good thermocouple for one of the faulty ones.
If the ring the good thermocouple is on works and the other doesn't, you'll need to replace the thermocouples.

Open the hob up and check the wiring between the thermocouple and the valve.
If ok, swap the valve connection with the good and 1 non working over.
Reassemble and see if the fault has moved.

If it's moved, you need new thermocouples.
If it doesn't move, it suggests the gas valves are at fault.

You aren't breaking into a gas line so there's no gas issue.

Obviously, if you cannot do the work yourself, or you are uncomfortable doing it, you'll need to get someone in.

Check it out, see what you find.
Hope this helps
Thanks
Customer: replied 2 years ago.

I changed the wires round and had all four working as they should.


Tried igniting two or three times and all OK.


 


Went to try again 10 minutes later and having problems with one that will


 


not stay lit, but all other three are OK.


 


Please advise.

Expert:  Techdesk replied 2 years ago.
Hiya,
OK, try swapping it over again.
If it won't work, it's very likely the wiring in the thermocouple is at fault.

If you've got 1 that won't work, you'll likely need to replace it.

Let me know how it goes.

Thanks
Customer: replied 2 years ago.


Hi again,


 


I am getting totally baffled, just cleaned the thermocoupling connection for the one that will not stay lit connected it back and now none of the four will stay lit.


My wife used the hob this morning without any problem, other than the one which would not stay lit.


I don't understand why it is intermittent.

Expert:  Techdesk replied 2 years ago.
Hiya,
As you've seen from working on them, you have the thermocouple, wires from it to the expanding part on the valve.

It can only be the wiring or the thermocouple itself.

Sorry, I'd have to suggest you obtain and fit 1 new thermocouple and test using that.

Good luck with it.
Thanks
Techdesk, Service Engineer
Category: Appliance
Satisfied Customers: 16407
Experience: Whitegoods engineer working for a multibranded national company in the UK
Techdesk and other Appliance Specialists are ready to help you
Customer: replied 2 years ago.

Hi,


 


I disconnected thermocouple wires from valves and sprayed WD40 into valve and hey presto all four working

Expert:  Techdesk replied 2 years ago.
Hiya,
OK, thanks for letting me know.
Not one I've come across yet, in the field.
I suppose the valves could be sticking but normally they stick and never move again.

Good luck with the repair.

Thanks
Customer: replied 2 years ago.


Hi,


 


Thank you for all your assistance.

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