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Air Conditioning Repair Guide
By United A/C & Refrigeration
2022
Call For Same Day Service!
(561)264-8461

Why Is My Home Air
Conditioning System Not
Working?
(561)264-8461

Do I Need An Air
Conditioning Repair?
As a disclaimer, there are some things that
need a professional. First, read this air
conditioning repair troubleshooting guide
before trying anything yourself!
When in doubt,
Schedule a professional to come out.
(561)264-8461

Solutions
Table of Contents
1. No Power
2. Wrong Thermostat Settings
3. Your Air Filter is Dirty
4. Blocked Vents Reducing Air Flow
5. Burnt Out Condenser Fan Motor
6. Capacitor is Failing
7. Condensate Pump is Failing
8. Something has come loose
9. Frozen Evaporator Coil
10.Dirt on the Condenser Coil
(561)264-8461

All ac systems can and will have issues at some
point. Sooner or later, an air conditioning repair is
inevitable. Like a car, they are mechanical.
Because so, they need maintenance. Parts wear
out with heavy use.
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As a matter of fact, even the best systems on the
market fail over time. Certainly, this video will help
you identify common ac issues. It aims to educate
you and provide solutions.
(561)264-8461

So kick back, bookmark the video if you need to.
This should take about 10 minutes to read. In those
10 minutes, you will be able to make money saving
decisions that leave you cool all year long.
(561)264-8461

My AC System Is Not
Turning On! - No Power!
(561)264-8461

If your air conditioner is
not turning on, try this:
First
Check the electrical panel.
Then
Check for a clogged air filter.
Lastly
Check for water being present
in the drain pan.
(561)264-8461

First, check the electrical panel. If you see a
tripped breaker labeled "AC" or "AIR HANDLER",
reset it. Power surges can trip air conditioning
breakers. Consequently, this leaves your ac unit
with zero power to run.
(561)264-8461

Then, check for a clogged air filter. If your filter is
full of debris, it blocks airflow. No airflow going over
the coils in the air handler causes it to freeze. As a
result, you will actually see ice build up on the ac
unit! The warm air needs to pass over it with ease.
So keep those filters clean. Change them monthly.
(561)264-8461

Lastly, check for water being present in the
drain pan. If it's not draining, modern ac systems
have a device we call a "float switch". When water
backs up, it cuts the power off so the ac unit stops
producing water.
(561)264-8461

As a result, sludge can build up in the drain lines.
We recommend you pour a little bit of bleach down
them when you change your filter every month.
This will help prevent backups in the drain line.
(561)264-8461

Still having air conditioning repair problems? Say
no more. We've got 9 more solutions for you,
Keep reading.
(561)264-8461

Why Is My Air Conditioner
Not Cooling - Wrong
Thermostat Settings!
(561)264-8461

It's very common for an ac issue to be a simple
setting on the thermostat. These few tips could
save you the hassle of calling an expert.
(561)264-8461

First, Check if Your Thermostat is On
● Is the display lit up?
● If not, does it use batteries? Replace them.
● If it does not use batteries it has a
dedicated power wire. Because so,
troubleshooting this requires an HVAC
expert.
(561)264-8461

Second, Check if Your Thermostat is Set To
Cool. Every thermostat has a cooling setting.
Typically, the options are Cool/Off/Heat. Make sure
your thermostat is set to the setting that says
"Cool".
(561)264-8461

Third, Check if Your Thermostat Has The Fan Off
Every thermostat has a fan setting. The options are
usually, On/Off/Auto. Make sure the thermostat is
set to "Auto". Note, the fan doesn't need to always
be on.
(561)264-8461

In short, AC units are designed to only run when the
temperature is above your desired temp. They shut
off once it's cold enough.
(561)264-8461

Why Is My Air Handler
Turning Off - Air Filter
Issues!
(561)264-8461

Your Air Filter is Dirty
As mentioned above, a dirty air filter can block the
flow of air. This can cause other problems as well.
When you have dirty filters your AC unit has to work
harder. As a result, this creates higher energy bills
and poor cooling.
(561)264-8461

There's a term we use call "Short cycling". When
your AC turns off and on again in short bursts. It
never completes a full cooling cycle. Unfortunately,
this can cause your air conditioning system to stop
working.
(561)264-8461

So, clean or change your air filters to avoid a future
problem. According to FPL, you can save up to 15%
of your energy bill by changing your ac filters. You
can also save money and stress with our
preventative maintenance plan.
(561)264-8461

Blocked Vents are Reducing Air Flow
Blocked supply vents and dampers are a problem
for your AC unit. First, check your vents to make
sure nothing is covering them. Dust and dirt could
be preventing airflow.
(561)264-8461

Furniture, toys, or closed vents may also be the
problem. Then, take a look at each vent in the
space. Wipe the dirt off. Make sure they're open.
After all, air needs to flow through. Nothing should
block them.
(561)264-8461

Why Is My Air Conditioning
Fan Not Working - Burnt
Out Condenser Fan Motor!
(561)264-8461

The condenser fan motor works hard. By doing so,
it gets a lot of wear and tear. Eventually, this leads
to motors burning out over time. Fan blades turning
slow or no movement at all are signs of a bad
motor.
(561)264-8461

Fortunately, you can check the outside unit to see
how the fan blade is moving while the ac is on. But,
this is not a repair you're expected handle. It
requires taking the unit apart and electrical skills.
(561)264-8461

Call an HVAC technician you can trust. They can
replace the fan motor for you. And, with regular
maintenance you can prevent future burn outs.
(561)264-8461

Not Starting - Capacitor Is
Failing!
(561)264-8461

No, not a flux capacitor. We're not traveling through
time here. The term "Start Capacitor" or "Run
Capacitor" is a device that starts the fan motor.
Ultimately, It sends energy to the fan motor. These
small devices keep your system running.
(561)264-8461

When you hear a humming noise from your AC, it
may be your start capacitor that needs replacing.
Although, a humming noise could be other devices
at fault as well. It's time to call in an HVAC pro for
an air conditioning repair. They will have the skills
necessary to diagnose and repair this issue.
(561)264-8461

Why Is My Drain Pan Full
Of Water - Condensate
Pump Is Not Working!
(561)264-8461

A condensate pump helps push that water across
and doesn't allow the water to build up in the
drain pan. In the event that this pumps fails, water
rises in the drain pan. Sooner or later, this will
trigger the unit to shut off. And, in cases where a
float switch does not exist, this means you could
have a flood!
(561)264-8461

Ultimately, condensate pumps exist in systems that
don't have a drain line with a downward pitch. They
suck the water out of the plan and push it out of the
home. Water flows downward with gravity. So, in
situations where it needs to go upwards we have a
pump. Sometimes the exit pipe for your drain is on
the other side of the building.
(561)264-8461

Why Is My Air Conditioner
Making Noise - Something
Is Loose!
(561)264-8461

For the most part, air conditioners are quiet.
Sometimes you will hear a noise as they cycle on.
In the event that you hear squealing, rattling, or
buzzing; there could be a problem.
● A Rattling Noise - means something in the
system is loose.
● Squealing Noise - Could mean something need
lubricant.
● Buzzing Noise - Could mean there's an electrical
issue.
(561)264-8461

If these noises are happening often, turn the unit off
to prevent any further damage. When in doubt, Call
a professional air conditioning technician to solve
the issue.
(561)264-8461

System Always Running -
Thermostat or Coil Issues!
(561)264-8461

Your ac unit not turning off is a problem. It should be
cycling on and off throughout the day. Running
nonstop will lead to high energy bills as well as
shortens the life span of the unit.
(561)264-8461

A common reason for ac units not shutting off is an
issue with your thermostat. Basically, If your
thermostat is not working, it doesn't send the signal
to shut off. The thermostat and air handler (indoor
ac unit) communicate with each other. When the
temperature has reached your desired temp, the
thermostat tells it to stop. If the thermostat never
tells the unit to stop cooling, it keeps going.
(561)264-8461

As described before, check the thermostat for
proper operation. See if it has power. After that,
check if the buttons working? Is the fan set to on
instead of auto? If all looks well and the thermostat
appears to be working - call an HVAC pro. They can
further troubleshoot.
(561)264-8461

AC Always Running (Continued)
- Coil Issues
Another reason for an ac unit to keep running is
issues with your coils. We are talking about the
indoor evaporator coil (inside the air handler). As
well as the outdoor condenser coil.
(561)264-8461

A frozen evaporator coil could mean there's a
refrigerant leak. This prevents the system from
cooling and keeps the unit running. If you see
ice building up on the coil, this could be the
problem.
(561)264-8461

Dirt Covered Condenser Coils are a problem.
The outdoor coil's job is to release heat outside.
If it's covered in dirt, the hot air cannot disperse.
The ac unit will continue to run because it can't
seem to cool down.
(561)264-8461

If your air conditioner has an issue with it's coils,
try checking for ice and dirt. If you see ice on the
coils, turn the system off and
call a professional ac tech.
(561)264-8461

Dirty filter? Replace it. If there's dirt on the
outside coil, try hosing it off with a water hose.
Also, sweep away dirt and debris that is close to
the condenser. If you must, trim bushes away
from it. The unit needs to breathe! But, if the coil
appears to have damage, call an HVAC pro.
(561)264-8461

When To Call A
Professional
(561)264-8461

Your safety matters. When the simple solutions
don't work, call a pro. Electrical issues can be
dangerous. All things considered, a professional
will have the skills, tools, and experience to get
the job done.
(561)264-8461

While protecting you, your home, and loved
ones. Attempting to repair it yourself could cause
more damage. When in doubt, turn the system
off. Contact United A/C & Refrigeration for help.
(561)264-8461

How United Can Help
(561)264-8461

Looking for a professional air conditioning repair
company? Our comfort specialists at United A/C &
Refrigeration are here to help. As shown in the next
slide, we are a full service air conditioning
contractor.
(561)264-8461

Here are some of the services we provide:
● AC Maintenance
● Air Conditioning Repair
● Central AC Installation
● Air Conditioning Tune-Up
● Air Duct Cleanings
(561)264-8461

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2022 Air Conditioning Repair Guide

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2022 Air Conditioning Repair Guide