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The Hiretech HTF-2 Sander is an orbital floor and deck sander from Hiretech. Released in 2014. Model Numbers: 01407 & 01181.

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What would cause the sander to start without depressing the switch?

what causes the sander to start by itself?

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any device starts by completing a circuit. In your case, the switch completes the circuit. If it operates without you touching it, then either the switch is defective or there is another short someplace which completes the circuit. Simple huh?

Now all you must do is figure out which it is.

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