Still WANTED: BX Heater Transistor

Buy or sell parts etc. Please put 'Wanted' in the title if it is a request for parts.
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Ian_Fearn
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Still WANTED: BX Heater Transistor

Post by Ian_Fearn »

Despite buying a 2nd hand transistor and then replacing the transistor on my heater its still not working 100%.

Has anybody got a known working spare for sale... please?

Cheers, Ian
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Stinkwheel
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Post by Stinkwheel »

Ian,

Ive got 2 new ones at work.

PM me and i will drop it in the post to you mate.
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Post by citronut »

i would think it is possible to repaire these, the XANT with AC has two transistors on the heater fan resistor pack, all they usualy require is a pair of new transistors,

if you ask Jim Eastmen if you can send him an old one from a BX, he might be able to point you in the direction of the correct transistor,

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Ian_Fearn
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Post by Ian_Fearn »

I've replaced the transistor already, i'm guessing theres something else in there thats faulty. Having replaced the transistor itself I still get exactly the same lame response from the blower. I've confirmed its the transistor 'module' as i replaced it with one from the other BX and it then worked perfectly.

Anybody got one??
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Vanny
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Post by Vanny »

Hows about Stinkwheel a few posts up, offering to post you one?


I'm starting to suspect that there is a thermal fuse in the back of the PMOS housing (under the black cover). It would have sence so as to stop that big piece of alluminium getting so hot as to cause a fire.
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Ian_Fearn
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Post by Ian_Fearn »

Stinkwheel only has the transistor although he has kindly offered to take a look at the unit itself.
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Vanny
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Post by Vanny »

Appologies thats not how i read it.

I've probably got spares out in the garage, but they are untested!
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Ian_Fearn
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Post by Ian_Fearn »

Send them to me, i'll test them and send them you back (minus a working one!)
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