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During usage, many households often encounter the situation where the air conditioner blows hot air despite setting a relatively low temperature. So, what are the causes and how to deal with this 'ailment' effectively?
Air Conditioner Blowing Hot Air: Dealing with Unexpected Issues on Sweltering Nights
During usage, many households often encounter the situation where the air conditioner blows hot air despite setting a relatively low temperature. So, what are the causes and how to deal with this 'ailment' effectively?
Air conditioning is often seen as a 'savior' for sweltering summer days. However, after some time, your household air conditioner may unexpectedly switch from blowing cool air to blowing uncomfortable hot air.
According to electrical appliance experts, this is a fairly common 'ailment' when using air conditioners. There are numerous reasons why an air conditioner may only blow hot air instead of cold air, even when set at a low temperature. When facing this issue, users can often identify the cause themselves and take appropriate action. In cases where it is necessary to call an air conditioning technician, it can also avoid being overcharged.
Here are the causes and solutions when the air conditioner blows hot air:
Wrongly selected fan mode
The air conditioner suddenly blows hot air, and the cold air seems to disappear. The cause could very well be mistakenly selecting the fan-only mode.
On the control panel of any air conditioner brand, there are usually several modes such as: Dry mode (dehumidifying), Cool mode (cooling), and fan-only mode (Fan). Normally, to cool your room, you should always use the Cool mode, but if you accidentally select the other 2 Fan modes, the air conditioner will either blow hot air or only operate the fan.
In this case, the solution is extremely simple, just pick up the air conditioner and switch the mode from Fan to Cool, and the air conditioner will immediately blow cool air.
Filter clogged with too much dust
The air conditioner blowing hot air could also be due to the air filter being clogged with too much dust. During usage, if the filter is not cleaned for a long time, the machine's filter will accumulate a lot of dust, causing the cold air to be trapped inside and forming ice in the ducts.
To solve this problem, remove the filter and clean it thoroughly, then turn on the machine in fan-only mode to gradually melt the ice. When the ice is completely melted, the machine will operate and blow cold air as usual. In cases where the filter is too old, it needs to be replaced.
Another reminder is to regularly clean the air conditioner to avoid encountering the situation where the air conditioner only blows hot air instead of cold air as mentioned above.
Air conditioner running out of refrigerant
Similar to a gas stove, an air conditioner won't function properly without refrigerant, affecting its internal components.
During usage, the depletion of refrigerant causes a drop in cooling efficiency, eventually leading to the cessation of cold air emission.
Normally, air conditioners don't easily run out of refrigerant, except in cases of leaks. Therefore, if your air conditioner blows warm air, it's advisable to call a technician to check for leaks and refill the refrigerant for optimal performance.
Malfunctioning air compressor unit
The compressor unit, often referred to as the 'heart' of an air conditioner, plays a vital role in the cooling process. A malfunctioning compressor disrupts the heat exchange process, leaving only the evaporator fan circulating warm air.
There are several signs indicating a faulty compressor unit such as noisy operation, unstable temperatures, warm air emission, and frequent shutdowns.
In such complex cases, it's essential to seek assistance from a qualified technician to diagnose and address the issue.
