![]() If it still doesn’t run, disassemble it to check the thermal cutout and service if necessary.If the appliance doesn’t work at all, make sure the power is on at the outlet and check the electrical cord.Here’s where to start looking if your hair dryer fails: Pull the halves apart carefully because some switches will fall out. Remove the fasteners holding the housing halves together. ![]() Also tighten screws occasionally so hair and moisture don’t enter the housing. Periodically brush or vacuum the grille and filter screen. Hair dryers will overheat and the thermostat will turn it off if the vent becomes clogged with hair or dust. The electric cord may be faulty, the appliance may not heat, and the fan may not operate. What Can Go Wrong with a Hair Dryer?īecause hair dryers are simple small appliances, few things can go wrong. Heated styling brushes are essentially the same in function, parts, and repair. Larger hood-type dryers work on the same principles with the same key parts, so the same repair instructions apply. The typical hair dryer includes an on-off switch, a fan-speed switch, a fan and motor, and a heat switch. If the air flow is obstructed and the air becomes too hot, a thermostat cuts off the power to prevent burning out the motor. A jet of air blown by a fan behind the heating element carries this heat through the nozzle and in the direction you choose. ![]() The dryer contains a very long coil of thin wire that develops heat. Components of a hair dryer: heating element, fan motor, and controls.Īn electric hair dryer produces an instant blast of hot air, warm, or even cool air to help dry and style hair, yet many models are light enough to be held in one hand so that the air flow can easily be directed.
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