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This guide will show you how to test and replace a faulty switch on a Revlon 473 Hair Dryer.
A faulty switch not only limits operation, but it is also a fire hazard. If the power switch on your Revlon 473 Hair Dryer isn't functioning, a switch replacement can improve the operation and safety of the unit.
Disconnect the Revlon 473 from any power source before you begin this repair.
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Remove the two 17.83 mm black screws located on the handle.
 
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Separate the shell from the main component.
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Check to ensure each piece is free from debris.
 
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Remove the casing from the heating element.
 
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Locate the two switches in the handle of the device.
 
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Bring the probes toward each switch to test for continuity.
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If the numbers on the multimeter continue to change, the circuit is closed and the switches are functioning.
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If the meter stays at a set number, the circuit is open, and the switch needs to be replaced.
 
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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