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Ask Daniel Your Own Question
Daniel, Home Appliance Technician
Category: UK Appliance
Satisfied Customers: 15969
Experience:  25+ yrs. experience in white goods repair. NVQ Level 2 electronics manufacturers training courses.
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Am just looking reason why the cooling fan wont stop on my

Customer Question

Hi...Am just looking for a reason why the cooling fan wont stop on my Bosch wall oven
JA: Sometimes appliance issues that that you think will be really complicated end up being easy to fix. The Appliance Technician I'm going to connect you with knows all the tricks and shortcuts. Tell me a bit more about what's going on so we can help you best.
Customer: My name is***** have a Bosch wall oven and the cooling fan used to cool the oven down after cooking wont shut off it continues to run. It ran for about 4 hours after using th oven before I turned the power off
JA: Are you ready to speak with the Appliance Technician now?
Customer: yes
JA: I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Appliance Technician about your situation and then connect you two.
Submitted: 1 year ago.
Category: UK Appliance
Expert:  Daniel replied 1 year ago.


Can you post the model number of the oven please.


Customer: replied 1 year ago.
There are a fw numbers one is HMD7431 Bosch
the other is HBA33B150A
Customer: replied 1 year ago.
Hi...Are you still there Daniel???
Expert:  Daniel replied 1 year ago.

Thanks for that.

If the cooling fan is running all the time then you will find the fan thermostat is the fault here.

As theres a small thermostat next to the cooling fan which controls it. If this fails then it will keep the fan running all the time.

What you need to do is pull the oven out and remove the top.

There you will see the cooling fan on the top.

Near it is a small thermostat with 2 wires on it.

This is the faulty part that will be causing the fault and will need to be replaced.

Then that should cure the fault from there.

If you need anymore info just get back to me.


Customer: replied 1 year ago.
Expert:  Daniel replied 1 year ago.

No worries, Your very welcome.

Expert:  Daniel replied 1 year ago.


Just wondering how you got on with the appliance as the question is still open?

Do you need more help on this?

If so just get back to me. If not the if you could remember to click the rating stars at the top that would be great.

Many thanks