Air conditioner does not turn on? 4 ways to quickly handle the error of the air conditioner not turning on

The condition that the air conditioner does not turn on is a fairly common error when using the air conditioner for a long time. To help you deal with this situation, the following article will help you find the cause and how to handle this error most effectively!

Common causes of air conditioner not turning on

Cause from the control of the air conditioner

The remote control of the air conditioner may be damaged or the battery is dead, because the air conditioner relies on the remote control. This is one cause of the device not turning on. Or the user does not know how to adjust the machine’s control, causing the air conditioner to be locked or choose the wrong mode.

The remote control of the air conditioner may be damaged or the battery is dead, because the air conditioner relies on the remote control.

Causes related to power supply

The power supply to the air conditioner has encountered a problem, please check all power sources. If the signal light is no longer on, the cause may be from the power supply.

Users should note such as: aptomat work, weak or overloaded electricity, short circuit. The electrical connection points are open because the workers are not careful or because the machine has been used for a while and is affected by external forces, causing the fasteners to open. Overcharged voltage is also the cause of the air conditioner shutting down by itself.

Check the power cord is not bitten by a mouse, this will be very dangerous if you accidentally touch it or short circuit resulting in a fire.

The power supply to the air conditioner has encountered a problem, please check all power sources.

Damage to important equipment

If the equipment can damage important components such as circuit boards, capacitors, it is very dangerous. The circuit board plays the role of the brain as the control center of the air conditioner, if this part is damaged, the machine cannot work.

If the hot unit and the cold unit have a problem in a certain part, resulting in the inability to transmit signals back and forth, making the air conditioner inoperable.

Check the important components of the machine, if they have been damaged leading to the machine not turning on.

If the equipment can damage important components such as circuit boards, capacitors, it is very dangerous.

Cause from the hot block of the air conditioner

• Check the wire from the indoor unit to the outdoor unit: it may be broken by rats or used for too long. In case the power cord is broken or the wire does not provide enough load for the indoor unit, it will lead to the condition of the air conditioner running intermittently and not turning on.
• Check the location of the heater : the location of the heater will greatly affect the quality of the air conditioner and can be the cause of a lot of trouble. In many cases, the machine turns on but does not produce cool air, this is because the air conditioner heater is placed in a position subject to direct sunlight, leading to damage.
• Check the air conditioner block: it may be damaged due to improper installation, the capacity does not correspond to the room area to be used, the hot unit is placed in an inappropriate position, or it may be caused by the user using it for too long. days but without maintenance, servicing and cleaning.

The air conditioner does not turn on, it may be because the hot unit of the machine is too old because it has not been cleaned for a long time.

How to quickly handle the error of the air conditioner not turning on

Due to control

• Remote dropped, bumped or subjected to strong force : In this case, you need to buy a new remote, so buy a genuine and reputable product to ensure long-term use.
• The magic eye of the remote is damaged : The magic eye (signal light) is located at the top of the remote, when it is not cleaned periodically, it will cause dirt to stick to it and obscure it, thereby weakening the signal transmission, you should be light. Gently use a cotton swab to clean the dirt around the god’s eyes.
• Button jam: On the remote, if the button has a concave part, or there is no feeling when pressing, the key may be stuck. Use a screwdriver to open the control board and clean the rubber buttons, use conductive paint to paint the inside of the rubber stopper and let it dry for 72 hours and reassemble the parts and use as usual.
• Remote runs out of battery : When the battery is low, the performance is no longer good and the most obvious manifestation is that the symbols displayed on the screen are blurred, sometimes hidden or displayed, the light is weak, pressing when eating or not can be The battery is almost empty, so replace the new battery for the remote.

If the remote display is dim, the remote is having a battery problem.

Due to the power supply

For the power supply, you need to check the following components in turn:

• Check the plug: If the plug is loose, it should be firmly attached. Or you can also unplug it and try again later.
• Check the fuse: If you find that the fuse is burnt, short-circuited, you should not replace it yourself if you are inexperienced. Instead, seek the help of a qualified air conditioning repair professional.
• Check the wiring: You should call an air conditioner repairman to check the internal and external wiring to ensure safety.

As for the power supply, you need to check the components in turn to know the problem.

Due to the internal motor

• Check circuit board

The circuit board is the part that gathers all the most complex components and plays the role of linking the components inside the air conditioner together. Therefore, if there is a problem with the circuit board, it will be difficult for you to detect and fix it.

In this case, you need to contact a service center or a qualified repairman for assistance.

Check the circuit board, if it happens, you need to contact a service center or a qualified repairman to assist in fixing it.

• Check the wind deflector motor wire

The louver is responsible for adjusting the wind direction and spreading cool air to the entire room, directly promoting the cooling process and helping the room temperature to drop faster.

When the inverter motor wire is broken, damaged or not turned on properly, it can also become the cause of the air conditioner’s failure. You turn off the power supply to the machine and contact a service center or a qualified repairman for assistance.

You turn off the power supply to the machine and contact a service center or a qualified repairman for assistance.

• Check Wings

The flapper is an important part that appears in most air conditioners, commonly known as the “mouth” of the machine and has the effect of adjusting the desired direction of cold air, and at the same time increasing the contact surface area.

When the wing flaps are broken and cannot be opened, it will not affect the operation of the air conditioner, but will prevent cold air from spreading throughout the room.

You need to check if the flapper is dusty or if there is an obstacle, if you don’t open the wing yourself, you need a professional or a professional repairman to check.

If you do not open the flap yourself, you need a professional or professional repairman to perform the inspection.

Due to the air conditioner heater

When detecting an error with the air conditioner outdoor unit, you need to immediately call the service center or a qualified installer to check the heater, absolutely do not repair it yourself at home. damage the performance of the machine and equipment.

When detecting a fault with the air conditioner outdoor unit, you need to immediately call the service center or a qualified installer for repair.

Above is an article on how to handle when the air conditioner does not turn on or shows abnormal signs. Hopefully with the above tips, you will use the air conditioner more efficiently!