Signs of Indoor Unit Motor Failure: Timely Diagnosis and Effective Solutions

The indoor unit motor of the air conditioner is responsible for circulating cooled or heated air in the room. Its proper operation is key to ensuring a comfortable microclimate. If you notice unusual noises, weak airflow, or a complete stop of the indoor unit fan, these may be signs of motor failure. In this article, we will look at the main symptoms of a malfunction in the indoor unit motor of an air conditioner, and also tell you what to do when they are detected, relevant for air conditioner owners in Kyiv and throughout Ukraine.

Main Signs of Indoor Unit Motor Failure:

The indoor unit fan does not rotate

One of the most obvious signs of a breakdown is the complete absence of rotation of the indoor unit fan when the air conditioner is turned on. At the same time, attempts to start may be heard or there may be no reaction at all.

Weak airflow from the indoor unit

If the fan is rotating, but the airflow is significantly weaker than usual, this may indicate a decrease in motor power or problems with its windings.

Unusual noises during fan operation

The appearance of uncharacteristic sounds, such as humming, creaking, knocking, or crackling during the operation of the indoor unit fan, may indicate wear of the motor bearings or the entry of foreign objects.

Vibration of the indoor unit

Strong vibration of the indoor unit, especially during fan operation, may be a sign of impeller imbalance or mechanical damage to the motor.

Overheating of the motor

If you smell burnt plastic or notice a strong heating of the indoor unit casing, this may indicate an overload or a short circuit in the motor windings.

Uneven fan speed

If the indoor unit fan rotates jerkily, changes speed for no apparent reason, or stops for a short time, this may indicate problems with motor control or its internal components.

The air conditioner displays an error related to the fan

An error code may appear on the indoor unit display that directly indicates a problem with the fan motor.

What to do when signs of indoor unit motor failure are detected?

1. Turn off the air conditioner to prevent further damage.
2. Visually inspect the indoor unit. Make sure the fan impeller is not blocked by foreign objects.
3. Try carefully rotating the fan impeller manually. If it rotates hard or with effort, this may indicate a mechanical problem with the motor or bearings.
4. Contact a qualified technician for accurate diagnosis. Checking the motor requires specialized knowledge and equipment.
5. If motor failure is confirmed, you can purchase a new high-quality indoor unit motor in our online store Only-Spares in Kyiv with delivery throughout Ukraine. We offer a wide selection of motors for various air conditioner models at competitive prices.
6. Entrust the replacement of the motor to a professional to ensure proper installation and further reliable operation of the air conditioner.

Do not ignore the signs of failure of the indoor unit motor of your air conditioner. Timely diagnosis and replacement of the faulty part will help restore comfort in your home and prevent more serious breakdowns. Choose quality spare parts in the Only-Spares online store – your reliable supplier of air conditioner components in Kyiv and Ukraine!

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