I Took Off the Thermostat Lid and Now Its Not Turning on Again
13 Reasons Your AC Is Not Turning on & How to Fix Them
You lot expect your air conditioner to work perfectly fine every fourth dimension you turn it on; later all, it is your comfort companion in every flavor.
Merely sometimes, your HVAC unit of measurement can exit your side and refuse to turn on. If you're facing a similar situation, then don't fret! It might be something that tin can be hands fixed as a DIY solution or, in some cases, with a phone telephone call to a professional.
From maintenance bug to your unit of measurement getting old, at that place can be various reasons; we have compiled an extensive list to help you lot figure out why your AC is not turning on and how to troubleshoot the cause.
ane. Thermostat Malfunctioning
Your air conditioner has stopped working all of a sudden. You panic and outset calling different air conditioner experts.
But stop for a second. Take you checked your thermostat?
Thermostat malfunctioning can have an impact on your air conditioner'due south performance.
First, check if the display of your thermostat is lit. If it's off, it cannot indicate the AC to turn on. Second, cheque the batteries of your thermostat if you have a battery-operated thermostat.
If the batteries are fine, then cheque the working of your thermostat. Gear up it to a cool setting, keeping information technology five-6 degrees lower than the indoor temperature. After a few minutes, place your hands in front of the Air conditioning vane to feel the cold air. If it has turned on, and so voila, y'all have solved the upshot!
But if your Air-conditioning still has not turned on, plough off your thermostat and take off the embrace to bank check its components. Look for debris or corrosion build. Also, look for blown fuses; sometimes, they are the culprit. You tin can clean out the droppings yourself with a soft brush, merely you would accept to contact a professional for corrosion problems.
Further, bank check if in that location are whatsoever loose screws or wires within the thermostat. You would have to refer to the user manual for correct wiring schematics.
2. Depression on Refrigerant
One of the reasons your Ac is not turning on could be due to a refrigerant shortage.
A refrigerant is a cooling fluid residing in an Air-conditioning's coils. Information technology is mainly responsible for providing the much-desired cool air from your Air conditioning or hot air in instance of a oestrus pump.
The refrigerant shortage is not due to your air conditioner using up the fluid. Leakage is a probable culprit in this situation. The cracks may build up over time in the AC whorl leading to leakage. Further, not taking out time for regular maintenance can atomic number 82 to corrosion in the long run.
You cannot practise much on your ain in this state of affairs as information technology is non but virtually filling the refrigerant; the levels must match exactly with the levels specified past your Ac's manufacture. You would have to contact a professional to check the refrigerant levels and effigy out the reason for leakage.
You lot tin avoid this trouble in the future by ensuring regular maintenance of your air conditioner.
3. Clogged Air Filters
Do you lot recall the last time you cleaned the air filters of your air conditioner?
If your respond is no, and then it's a large problem as your Air-conditioning may not be able to piece of work properly due to dirty, clogged up filters. No matter what type of air conditioner yous accept, cleaning the filters is a must!
The job of the filters is to ensure proper air apportionment. If they are filled with debris, then airflow is pretty much blocked. In this case, your arrangement has to work harder to cool your domicile, and over a period of time, it can stop working.
Muddy air filters can also freeze your outdoor Ac unit, which hinders your system's working and, in some cases, is the reason why your AC is not turning on.
Weird, only it happens.
The indoor unit of measurement of your Air conditioning has the evaporator ringlet, and the outdoor unit contains the compressor. The refrigerant line is between these two components. When the airflow is restricted, warm air from your house does non achieve the refrigerant. The refrigerant then becomes so cold that any wet on the coils freeze.
It's scary, simply you don't need to panic. Y'all tin call a professional to deal with the situation, or you can clean the filters yourself. The water ice on the coils volition melt, so make sure to collect the h2o properly. After cleaning, allow the filters dry completely before turning on the air conditioner.
We recommend using a smart thermostat if y'all have a ducted system or a smart AC controller for a ductless mini-dissever unit of measurement to monitor your Ac'due south air filter cleanliness level. Continuous monitoring tin can aid avoid the result of chock-full filters in the future.
4. Your Air-conditioning'due south Capacitor Has Died
If your HVAC unit has trouble starting off if information technology is starting and stopping abruptly, or if you lot hear some clicking noises from the outdoor AC unit, chances are that your Air-conditioning'due south capacitor has died downwardly.
The capacitor is an integral part of your HVAC organization. It is connected to the motor's circuit and gives the motor an initial push button to offset running. The capacitor disconnects from the circuit once the motor reaches a specific speed.
There are two types of capacitors:
- The start capacitor provides voltage to get the motor started
- The run capacitor provides energy to keep them running
What Causes the Capacitor to Fail?
Your AC's capacitor is sensitive to heat. Overheating can be caused past your AC working difficult to achieve the desired temperature or due to its exposure to the sunday. If your outside unit is installed on the roof, it will likely become a victim of overheating on hot summertime days.
During extreme cold or hot days, avoid setting the highest/everyman temperature on your thermostat equally it can too cause the unit to work harder, resulting in an overheated capacitor.
Ability outages and power fluctuations can also significantly damage the capacitor. To prevent damage from power fluctuations, consider installing a surge protector.
Furthermore, onetime age can cause information technology to die down as the capacitor's ability to release energy decreases over the years.
As far as the age is concerned, regular maintenance will help you discover capacitor bug early. The solution is quite simple – have an electrician replace the capacitor.
Notation: Never endeavour to supervene upon the capacitor yourself as at that place is an electrical charge stored in it; there is a risk of severe electric stupor. Never try to run your AC on a bad capacitor every bit it tin burn the motor attached to it, and replacing the motor tin be quite costly.
5. Dormancy Issue
If you cannot figure out why your AC is non working, check the fan. If the Air-conditioning fan is not turning on, it could be a dormancy consequence. Or if your cooling system was lying dormant in winters and y'all have switched it on after some time, then fans may find information technology hard to start rotating over again because of the dirt buildup.
Call an HVAC proficient; they will know how to showtime the fans manually. The trouble shouldn't persist once the fans are out of dormancy.
6. Air-conditioning Non Turning On? – Check the Switch
It's the almost obvious reason, but people overlook it all the time.
Simply like whatever other electric appliance, your AC also has an ON/OFF switch. You volition find it nearly to where your system is installed.
You may not take turned it off, but someone in your habitation could have done it. So, whenever your system refuses to plow on, do check the switch before you do anything else. The solution is elementary, turn on the switch, and you would be feeling the pleasant breeze of air blowing in no time!
7. Uncleaned Condenser
Is your external AC unit non turning on?
The external or outside unit of measurement of your AC is chosen a condenser. Its task is to release the rut collected past the inside unit to the external environment.
Without regular maintenance, the condenser can go actually muddy over time. It will have to work harder to disperse the heat equally dirt acts as an insulator. The condenser will start drawing too much current, tripping the circuit breaker, and your AC won't plow on.
If you call back that the solution would be easy since y'all can clean the condenser yourself, well, unfortunately, it'south too late for that at present. Once it is non-functional due to clay, it may be time for a professional clean-up. Improper cleaning can impairment the compressor coil's fins, which is way worse than the dirt on the coils.
Y'all can, yet, as a maintenance routine, go on cleaning your condenser regularly yourself to prevent any major bug.
8. Tripped Circuit Breaker
If you have tripped the circuit breaker, your Ac won't turn on.
So, whenever your AC unit is not turning on, practise cheque the circuit breaker.
A circuit billow is a safety tool that turns the ability off in case of heavy voltage. It may be due to using high voltage appliances or ability surges in the electricity grid.
All you've to practice is discover the air conditioner circuit billow and plough it off completely. Then wait for a few minutes earlier turning information technology on.
Safety tip: If it keeps tripping, do not endeavour to plough it on as it indicates a high voltage and tin can cause an electric burn. It is a problem that needs to be fixed by an expert.
nine. Is Your Air conditioning Not Turning On Or Has It Run Its Course?
Your AC has stopped running, and yous are wondering what could be the reason. If it has been your comfort companion for quite a long fourth dimension, maybe information technology has reached the end of its lifespan.
But how tin can y'all actually tell that it's time to say goodbye to your Air-conditioning?
Post-obit are some signs indication why your Air conditioning is not turning on:
- You find a significant decrease in Air conditioning's airflow. The decreased airflow tin can be due to dirty filters, but if cleaning the filters does not work, your AC has aged and needs replacing.
- Your Air conditioning requires repair services every now and then, which could give a clue if your AC has bug related to its lifespan.
- Your bills are increasing at an abnormal rate. Near the finish of life, the Ac becomes sluggish and overworks to maintain the desired temperature, leading to a surge in bills. You can become for an energy audit to see if information technology is really your air conditioner causing the bills to increase.
- The inside unit of your Air conditioning is leaking excessively. It may be due to a refrigerant leak, just even if the issue does not get resolved, it's time for the unit to go.
- If your Air-conditioning is making weird loud noises such as grinding, screeching, rattling, it's time to supercede it as it signals a serious problem.
- Your air conditioner smells bad. It could be due to molds growing inside your unit or due to dirty filters, but if the aroma does not get away, consider replacing it.
If you are experiencing some of the above-mentioned signs and your Air conditioning is more than than a decade old, you surely demand a new unit. Merely do not take the decision on your own, accept a professional thoroughly check your unit of measurement before going for a replacement.
Too, read these half-dozen ways to extend the average life of your AC.
ten. Clogged Drain Pan
Your air conditioner unit not only cools or heats your house but likewise removes moisture from the air. And so, where does that moisture go?
It is collected in the drain pan, located underneath the indoor unit evaporator coils, so flows into the condensate drain line, which is directed outside.
Without regular cleaning, peculiarly in areas with high humidity, the drain pan can go chock-full. The drain pan has a secondary bleed to prevent the pan from bottleneck. But if both of them are full, this triggers the float switch, which turns the AC off. It is a safety mechanism that prevents excessive leakage in your house and prevents damages to the unit. Just even then, the water leak from the clogged pan can damage your walls, ceilings, and furnishings.
Then, your Air-conditioning is non going to turn on until the pan is cleaned and the bladder switch is turned downwards.
You lot can use a wet/dry vacuum to suction the blockage out, but it is going to be really messy so if you don't desire to run into all that gunk, improve call an HVAC technician.
Make certain never to have this episode and do regular maintenance. You can use a wet/dry vacuum during the routine cleaning; we promise it won't be this messy!
xi. Damaged Motor
If yous hear grinding racket when you turn on the Ac, information technology is not a proficient sign every bit information technology may indicate malfunctioning motor blades.
Motors are sealed to prevent any contact with the exterior air, water, or debris. Over time, due to quondam age or lack of maintenance, the seal can come off, and the oil which was sealed within the motor needed for lubrication seeps out. Without oil, the motor can wear out and tin can stop working entirely subsequently some time. The exterior unit of measurement cannot dissipate heat if the motor is faulty.
One question that arises; should you repair the motor or replace your air conditioner?
Here's a tip that will brand information technology easy to decide; if information technology costs half the amount of the original price, then consider replacing your arrangement. The price range is $150 to $750 for a new motor.
Contact an HVAC specialist for a thorough inspection.
12. Faulty Power Cord or Outlet
Sometimes the upshot is not astringent; information technology's just that you are anticipating the worst. And then, examine simple things that are right in front of you lot; check the power string, for instance.
The ability cord tin become frayed and clothing down if your unit of measurement was stored for a season. Power outages tin likewise damage the cord.
Unplug the cord for proper examination. If it shows signs of damage, yous would have to replace information technology.
Or peradventure it is not the cord, but the outlet was plugged in. You lot can check if the outlet is working fine past plugging in other appliances. If none of them work, you know what's causing the issue.
Call an electrician for repairing or replacing the outlet, depending on the damage.
Safety tip: You should never try to repair the cord or power outlet yourself. There is a gamble of getting an electrical stupor if you don't turn off the ability supply. Just turning the switch off won't do; y'all accept to plow the power off from the main ability box.
13. Your Air-conditioning Is Not the Correct Size
Did you take into business relationship the size of an air conditioner when buying it? Well, it is a fault that is continuously overlooked but can have a neat touch on on the performance of the HVAC organisation.
The air conditioner that is not the right size will accept to piece of work harder and, at one point, will break downwardly completely.
When your Air-conditioning is larger than required, information technology will keep turning on and off quickly, increasing wear and tear. Further, it won't remove the excess humidity as information technology does not stay on for a sufficient time.
On the other hand, a pocket-sized unit will take to run for a long time to absurd/warm the house, which may cause overheating of the capacitor.
An HVAC arrangement that is non the right size can also wreak havoc on your bills.
Unfortunately, the only solution is to replace the unit.
Some parameters determine what size y'all crave, such every bit the surface area of your house, climate, number of windows, and insulation level. Yous will have to get for a professional person evaluation to detect out the perfect size of air conditioner for your home.
At that place is besides an equation that roughly estimates the right size of Ac.
(Square footage of your home x 25/ 12000) – 0.5 = Required Air-conditioning size
Let'southward say your area is 1000 foursquare feet.
(1000×25/12000) – 0.5= 1.5
You require a 1.5-ton AC.
If you figured out why your AC was not turning on and managed to notice the solution on your own, congratulations! But fifty-fifty and then, we recommend that you contact a professional for a consummate inspection to avoid similar bug in the future.
By having an HVAC proficient perform annual inspections and staying on summit of the maintenance routine, you can avoid any potential Air conditioning outages in the future.
Source: https://www.cielowigle.com/blog/ac-not-turning-on/
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