The Ultimate Room Air Conditioner Repair Quiz

By: HowStuffWorks.com Contributors

The Ultimate Room Air Conditioner Repair Quiz
Image: © iStockphoto.com/WendellFranks

About This Quiz

Maintain your room air conditioner to get maximum cooling during the hot, steamy months of summer. Understanding the operation of a room air conditioner will help you stay cool. Take this quiz to see how cool it can be to know how to repair a room air conditioner.
What may compromise a room air conditioner's performance?
manufacturer
dirt
Dirt is the biggest enemy of a room air conditioner.
clean filters

Advertisement

What room air conditioner components are sealed?
coils
compressor
both answers
The coils, compressor and motor are all sealed. Service on these components must be done by a professional.

Advertisement

What service options do you have with room air conditioners?
service at the repair shop
service at home
both answers
Since the air conditioner is portable, you have the option to bring the unit to the technician.

Advertisement

During the harsh winter months, what should you do with the room air conditioner?
Remove and store away.
Cover with plastic hold in place with duct tape.
both answers
The unit should be protected from winter weather. Remove the unit or cover the portion that is exposed to the elements.

Advertisement

How may you prevent shock when working on a room air conditioner?
unplugging
discharging the capacitor
both answers
Unplugging the unit is not enough. Before working on a room air conditioner, you must also discharge the capacitor.

Advertisement

How do you discharge the capacitor?
Check the owner's manual.
Leave it for a technician.
both answers
Check the owner's manual for instructions or have a technician do this.

Advertisement

How often should you clean the filter of a room air conditioner?
at the beginning of the cooling season
monthly when using
both answers
Clean or replace the filter at the beginning of the cooling season, and monthly while using the room air conditioner.

Advertisement

How do you clean a filter?
Wash it with soapy water.
Thoroughly dry it.
both answers
Most units come with a washable filter. Wash with soapy water and thoroughly dry before replacing.

Advertisement

How do you maintain a throwaway filter?
Replace only.
Cleaning a throwaway filter is not possible. You must replace it with the same type of filter.
Clean with soapy water.
It does not need replacement.

Advertisement

What is a volt-ohmmeter ?
measures voltage
A volt-ohmmeter is an instrument to measure voltage.
measures distance
measures sound

Advertisement

Using a volt-ohmmeter set to the RX1 scale, what meter reading indicates you need to replace the room air conditioner cord?
less than zero
zero
greater than zero
If the meter reads greater than zero, the cord should be replaced.

Advertisement

What should you use to clean the evaporator and condenser coils?
vacuum
Clean the coils with a vacuum cleaner.
brush
wet sponge

Advertisement

How often should the evaporator and condenser coils be cleaned?
at the start of the season
every month while in use
both answers
Clean the coils at the start of the cooling season and every month that the unit is in use, or more frequently if the air conditioner is used in a very dusty space.

Advertisement

If the air conditioner is powered but the unit will not run, what may be the problem?
faulty switch
If the unit is getting power and still will not operate on any setting, the switch may be faulty.
dirty filter
dirty coils

Advertisement

What is drained from the drain ports?
condensed water
water vapor
both answers
Condensed water and water vapor are drained through the drain ports.

Advertisement

How can you test a thermostat?
Set to lowest temperature.
Check with a volt-ohmmeter.
both answers
For a thermostat with fewer than three lead wires, set the thermostat on the lowest temperature and check with a volt-ohmmeter set to the RX1 scale. If the scale reads greater than zero, replace the thermostat.

Advertisement

How can you repair noisy fan blades?
cleaning fan blades
tightening fan blades
both answers
Cleaning and tightening the fan blades should prevent the noise.

Advertisement

How do you lubricate a room air conditioner's fan?
several drops of 20-weight nondetergent motor oil in each port
If the fan has lubrication ports, put several drops of 20-weight non-detergent motor oil in each port.
several drops of all-purpose oil in each port
several drops of 30-weight nondetergent motor oil in each port

Advertisement

If water leaks from the air conditioner, what may be the cause?
clogged drain ports
Drain ports clogged with dirt may cause water to leak.
rain water
water vapor

Advertisement

How do you clean clogged drain ports?
wire
small knife
both answers
Use a wire or a small knife to clean the ports.

Advertisement

You Got:
/20
© iStockphoto.com/WendellFranks

Featured