You Are At: AllSands Home > Howto > How to repair a hair dryer
Millions of people use a hair dryers to style their hair. There are three main types, the pro-style, the euro-style, and the styler/dryer. While there are several different styles, all work on the same principles: a fan blowing air over a heating element through a nozzle, to your hair. Here is a list of problems you could have with any styled hair dryer, and how to fix it.
1. What is a hair dryer made of?
The electrical cord runs to the switch plate. This is where some you turn the dryer on and off. Some also have switches to determine the temperature, and power of the fan. From there, one wire leads directly to the heating element. The other wires lead to a motor to power the fan. The fan blows air over the heating element. This heated air passed through a nozzle. These are the basic elements in a hair dryer.
2. What if the motor does not run?
a. First check the cord. Make sure it is not damaged. If so, replace it. Check the outlet, make sure the circuit was not tripped.
b. Then, check the switch. You will need to remove the housing by taking off the screws. Then, take the switch and brush out any lint or dust. Spray the switch with contact cleaner. If this doesn't work, move on.
c. Your motor could be jammed. Again, remove the housing away from the motor, and lubricate it. Apply a drop of lightweight household oil to the bushing at each end of the motor.
d. If none of these things work, your safety plug might be tripped. This would only happen if it is really humid. The safety switch shuts down the dryer when the dryer comes in contact with water. It is a safety feature to prevent electrocutions. If this has happened, call you manufacturer. They will have to tell you how to turn it back on.
3. What if the dryer does not heat?
a. First check the holes that are in the housing next to the fan. If they are filled with lint, the dryer might be overheated. Take a vacuum and clean out the holes.
b. Then, check the heating element itself. Probe the terminals on the base of the element with a VOM. Set it on RX1, if the readings are between 15 to 50 ohms, it is working. Now, use the probe on the cutoff leads, which are further down the heating element. Again, set the VOM on RX1. The reading should be zero. If not, replace the cuttoff.
4. What if the dryer is noisy?
a. First check to make sure there isn't something caught in the fan. If so, make sure you remove it, it could jam the fan if not removed.
b. Then, check the fan bearings, and lubricate them.