We are depend on the air conditioner far too much and having anything bad happen to ac right now will wreak havoc on our life.

The irony of this situation is that most often our Air Conditioner seems to run into problems at the peak hour of ac necessity. Recognizing the problem will help you seek the right kind of help.

Faults 1.
AC does not blow cool air

In order for an Air Conditioner to blow cold air, it must have adequate air flow.
The air circulates through the system and passes through the air filter to give you cool and clean air.

However, it the air filter is dirty from all the filtered dirt particles and debris over time, it restricts the air flow, thus causing little or no cool air to be circulated into the our room.

Clean the air filter with clean water or get the AC serviced regularly.

You can do it yourself by opening the AC pulling out the filter and cleaning it by water or sop to clean the air filters.

Remember to dry it before putting it back to Ac. Replacing your filter every 3 years will ensure the air in your room isn’t compromised.

Getting your AC serviced every 3 months will take care of this problem.

Fault 2:
Indoor unit is leaking water inside the room

Cause. Drain pipe choked or drain slope not maintain

Ideally, the water that forms around the evaporator coil due to condensation of water, goes into a sloped drain and down the condensation drain line.

any blockage/disturbance in the sloped drain pipe will hinder the water from escaping through the drain and instead will go the only other way it can, that is back into your home.

Resolve: Clean the drain pipe outlet & check the  drain pipe slope.
Blockage reason.

You can use a wet-dry vacuum or a hand pump to remove the blockage of drain pipe. However, getting an annual cleaning by a professional air conditioner technician will help avoid this problem.

Fault 3: 
The unit shuts on and off repeatedly.

Causes: temperature Sensor problem
Air conditioners feature a thermostat sensor that is located behind the control circuit.

This measures the temperature of the air coming into the evaporator coil and adjusts the condenser temperature. If the sensor is knocked out of position or is pushed inwards to touch the evaporator coil, the Air Conditioner could cycle constantly by shutting on and off repeatedly.


Check the position of temperature sensor
The temperature sensor should be near the cooling coil but not touch it. If it does, adjust the position by carefully bending the wire that holds it in place.

Call Air Conditioner technician to get this done if you aren’t too sure about it. Either way, it’s usually a sensor issue when the Air Conditioner cycle acts erratically.

Fault 4 
The outdoor unit’s making  loud sound

Causes: Faulty outdoor unit fan or vibrations

The fan in the outdoor unit of an AC helps with the condensing process and to remove the heat. The faint sound you hear from the outdoor unit is the fan doing its duty to remove heat.

However, when you hear a humming or rattling noise that’s louder, it is linked to a faulty fan blade. There could be several reasons for it such as accumulation of dirt or the blades could be loose and could be touching the adjacent components of outdoor unit.

Adjust the condenser fan blades
Begin by cleaning the debris around the fan blade. Then check to see if the blades are loose and need a tight.

Also, check to see if the blades are bent slightly as this is why is ends up touching the other components of outdoor unit.

Fault 5:  
The room isn’t getting cool

Cause: Remote control setting problem
Something as simple as a disturbed setting in your remote control can affect your Air Conditioner experience.

Sometimes the remote fails to send temperature change signals to the Air Conditioner unit. Either way, it could only be a case of a faulty remote or remote settings.

Check your remote and change your settings and modes

The display on the remote control is only indicative but may not always be accurate. If you feel like the remote shows temperature and mode but you feel otherwise, go back to the setting and redo them.

If that does not work, use the setting button directly on the Air Conditioner. Sins air Conditioners don’t have a direct button, you may have to rely on the remote.

Try changing the remote batteries or replacing the AC remote with a new one of the same brand.

Capacitors problem

One of the most common breakdowns of air conditioning systems is failure of the running capacitor.

A running capacitor is a device which helps the motors on startup and throughout their running cycle. When capacitor fail, typically the fan motor or compressor will struggle to start and inevitably shut off via an internal safety mechanism.

Older style capacitors had a type of coolant known as PCB oil which was well regarded for its long-life. the discovery of PCB to be a carcinogen and environmentally toxic, its use has been banned.

Newer use castor oil but don’t typically last as long.

Unfortunately, it’s when temps are at their highest that your capacitor is most likely to fail. Many times the capacitor can fail without warning but it is possible to diagnose a weak capacitor before an inevitable breakdown.

Resolve. Call air conditioning technician and replace capacitor.

Fault 7 
Low refrigerant

Early in the cooling season, it’s not uncommon to find your Air Conditioner is low on refrigerant. The Air Conditioner circuit should be a sealed system which means you should never have to add to it.

 Though it's not uncommon to have a small leak which requires a recharge of your Air Conditioner. But if your leakages is big enough, it can require multiple recharges throughout the year.

This can become very expensive with the consistent rise in price of Freon gas and the progressive inefficiency of your Air Conditioner as the leak continues. And remember, leaks will only get larger over time if left unrepaired.

We recommend getting a leak check done anytime your system is low refrigerant so you may have repair vs. replace options.

How to Packaged ac routine maintenance

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