Thanks for bringing this up. Mine is doing something similar. First two positions are like a mouse breathing on my ankles. The last is actually too much. TD5 heaters are fantastic, when they work.
 
well i don't know what defender TD5's yo guys have but i only have 3 settings on mine.

off - low - high.
 
So I only have one working setting, just before high (maximum) any other setting and nothing goes out.
 
well i don't know what defender TD5's yo guys have but i only have 3 settings on mine.

off - low - high.

Like Ginge said. The rest is for show, to turn it down lower switch the lever on the right so you get heat up and down.
 
well i don't know what defender TD5's yo guys have but i only have 3 settings on mine.

off - low - high.

That explains a lot... probably need a new switch. Definitely will check the wiring before I spend the monies though.

Thanks!
 

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