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Daikin, a Japanese air conditioning brand, is highly rated for its quality and durability, with few breakdowns during usage. However, even the most reliable Daikin ACs can encounter unexpected malfunctions after prolonged use. One common issue is the H9 error code. Let's explore more about this error code.
What is Daikin AC Error H9?
According to the Daikin air conditioner error code chart, the H9 error indicates a problem with the outdoor air temperature sensor in the outdoor unit.
The H9 error code only appears on Daikin Inverter air conditioners and doesn't occur in non-inverter models.
Causes of Daikin Air Conditioner H9 Error
Two primary reasons lead to the Daikin air conditioner displaying the H9 error code:
+ Malfunction of the outdoor air temperature sensor at the outdoor unit (R1T).
+ Faulty circuit board: This part contains many complex electronic components of the air conditioner. In case the components related to temperature sensors are damaged, the air conditioner may fail to adjust the outdoor air temperature correctly, leading to the Daikin H9 error.
Fixing the H9 Error Code on Daikin Air Conditioner
To fix the H9 error code on a Daikin air conditioner, you need expertise in refrigeration. If you're proficient in refrigeration - air conditioning and have the necessary repair tools, you can self-repair the H9 error code following the instructions below:
+ Check sensor component: Inspect the outdoor air temperature sensor head. If there's minor damage, repair and continue usage. For severe sensor damage, replacement ensures efficient operation.
+ Check circuit board: If the sensor component of your Daikin air conditioner operates normally, inspect and repair components on the circuit board. In cases of irreparable damage, replace the circuit board.
When fixing the H9 error code on your Daikin air conditioner, consider the following:
+ Completely disconnect the power supply to the air conditioner before conducting repairs.
+ Only attempt self-repairs if you have expertise in refrigeration - air conditioning to avoid further damage.
+ Daikin H9 error is challenging to diagnose the cause and repair. Therefore, if you lack specialized knowledge about air conditioning, it's best to contact the manufacturer's warranty center (if applicable) or a professional AC technician for assistance.
Here are the insights we've compiled about the H9 error code on Daikin air conditioners. We hope Mytour.vn's article has provided you with useful information to apply during the use of Daikin air conditioners.
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