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George-Allsorts
George-Allsorts, Senior Appliance Technicial Manager
Category: Appliance
Satisfied Customers: 1448
Experience:  A whitegoods technician with 30+ years service in Domestic Appliance Service & Repair, and General Mechanical & Electrical Repair
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My Siemens extraklasse TXL 720 tumble dryer went bang and won't

Resolved Question:

My Siemens extraklasse TXL 720 tumble dryer went bang and won't go now
Where should I begin isolating the fault
I have an AVO meter
Submitted: 2 years ago.
Category: Appliance
Expert:  George-Allsorts replied 2 years ago.
George-Allsorts :

Hello, my name is***** be patient whilst awaiting responses, I'm not constantly available.

To start, tell me which area of the appliance has a scent of electrical burning

George-Allsorts :

You will need to check the following, and normally in this order:

Plug socket
Plug & Fuse
Cable
Mains filter
On/Off switch (if appropriate)
Door Switch
PCB
Element
Motor
Motor Drive (if appropriate)

Customer:

Hi

Customer:

Thanks for the above.

Customer:

No smell to any of these.

Customer:

New development, tumble dryer turns over fine and appears to be working (with new fuse in plug) but no heat.

Customer:

Have checked the continuity of the two thermostats v small one at top and larger one with purple ? reset button to left all attached to element casing. close to the element and inspection of element visually fine looking and no smell.

Customer:

PCB looks and smells fine.

Customer:

Wiring of element to thermostats is within element casing so hard to get at to test.

Customer:

?next

Customer:

Thanx

Customer:

David

George-Allsorts :

You need to do a continuity test on the element.. via so that you are ensuring the thermostats and cutouts are working.

~If you can identify the source you can do this from the PCB

George-Allsorts :

via the wiring

Customer:

Hi

Customer:

thanks for that.

Customer:

Three leads down to the element in a sheet metal casing. Both thermostats continuous and there's continuity between pins in the element plug.

Customer:

Does that mean we are talking PCB failure, even tho it turns over fine and the blower works?

Customer:

Thanks

Customer:

D

George-Allsorts :

Have you unplugged the element and tested from end to end of the individual elements within the block?

Customer:

yep all ok

George-Allsorts :

Then it will be the PCB

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Expert:  George-Allsorts replied 2 years ago.

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