Air conditioner shows yellow light: Causes and solutions

So, what are the causes and how to handle, turn off the yellow light on Daikin, Panasonic, Toshiba, Sharp, Hitachi. air conditioners? We invite you to find out in the article below.

Cause of air conditioner flashing yellow light

The air conditioner is too dirty and is not cleaned regularly

Excessive dust on the condenser and condenser units due to not being cleaned for a long time will also cause the air conditioner to flash a yellow light.

Air conditioner shows yellow light: Causes and solutions Picture 1

Because fans and other parts are dirty, the device has to work at higher capacity, maintain longer cooling cycles, and consume more electricity to control room temperature. At that time, the air conditioner flashed a yellow light as a 'cry for help'.

Air conditioner lacks or runs out of gas

In most cases, the air conditioner's yellow light flashes due to lack of gas. If it is due to this reason, users will see the air conditioner continuously flashing yellow after about 30 minutes of turning on the machine. Along with that, the cold air produced is very little, not even cold at all, only wind, while the air conditioner is still operating normally.

The air conditioner has a broken electronic board

The electronic board is the central control center that controls the operation and features of the air conditioner. If the board has a problem, it can cause the air conditioner to display an error code or flash a yellow light.

The air conditioner block has a problem

The block contains a cooling system, so operation can be interrupted by any incident. A broken block is also the reason why the air conditioner has a yellow light flashing.

The air conditioner fan has a problem

Fans are found in both outdoor and indoor units, and are responsible for dissipating heat (pushing the temperature to the environment). When the fan fails, the air conditioner flashes a yellow light as an error signal.

How to handle air conditioner flashing yellow light?

In case the air conditioner is dirty, you can clean the air conditioner yourself to fix it.

However, for other causes such as running out of gas, broken fan, electronic board and Block problems. you should seek the support of repair shops and professional air conditioner repairmen.

Micah Soto

Update 30 March 2024

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