6 common error codes on the latest 2023 Aikibi inverter cassette air conditioner

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1. Error code A1 on the Aikibi inverter cassette air conditioner

2. Error code A2 on the Aikibi inverter cassette air conditioner

3. Error code A5

4. Error code A8

5. Error code A9

6. Error code AA

A1, A2, A5, A8, A9, and AA are the 6 common error codes on the latest 2023 Aikibi inverter cassette air conditioner. Below are the details of each error code along with its causes and troubleshooting methods.

Aikibi is a Vietnamese air conditioning brand, established around 2004 – 2005. Up to now, Aikibi air conditioners have over 15 years of experience in the air conditioning industry. The ceiling cassette air conditioners from the brand have good quality, so they are quite trusted choices for consumers. However, during the usage of ceiling cassette air conditioners, you may still encounter the following error codes.

1. Error code A1 on the Aikibi inverter cassette air conditioner

+ Error indicator light: A1 indicator light.

+ Error name: Ambient temperature sensor malfunction in the indoor unit.

+ Causes: Main control board failure in the indoor unit; malfunctioning environmental sensor in the indoor unit; loose sensor jack.

+ Solutions: Replace with a new main control board in the indoor unit; replace with a new environmental sensor in the indoor unit; reinsert the sensor jack.

2. Error code A2 on the Aikibi inverter cassette air conditioner

+ Error indicator light: A2 indicator light.

+ Error name: Coil temperature sensor malfunction in the indoor unit.

+ Causes: Main control board failure in the indoor unit; malfunctioning coil sensor in the indoor unit; loose sensor jack.

+ Solutions: Install a new main control board in the indoor unit; install a new coil sensor in the indoor unit; reinsert the sensor jack.

3. Error code A5

+ Error indicator light: A5 indicator light.

+ Error name: Frozen water pump in the indoor unit.

+ Causes: Main control board failure in the indoor unit; malfunctioning water pump in the indoor unit; malfunctioning float switch of the water pump in the indoor unit; stuck motor of the water pump; clogged water pump; loose wire jack of the water pump, float switch.

+ Solutions: Install a new main control board in the indoor unit; install a new frozen water pump; install a new float switch of the water pump; check if the water pump is stuck; check if the drain pipe is clogged; reinsert the wire jack of the water pump, float switch.

4. Error code A8

+ Error indicator light: A8 indicator light.

+ Error name: Main control board malfunction.

+ Causes: Main control board failure; loose wire jacks on the indoor unit board.

+ Solutions: Install a new main control board; inspect and secure the wire jacks on the indoor unit board.

5. Error code A9

+ Error indicator light: A9 indicator light.

+ Error name: Loss of signal connection between indoor and outdoor units.

+ Causes: Main control board failure in the indoor unit; loss of signal connection wire between outdoor and indoor units; incorrect signal wire connection between outdoor and indoor units.

+ Solutions: Install a new main control board in the indoor unit; check the signal connection wire between outdoor and indoor units; correctly identify the wire connection terminals on the terminal block between indoor and outdoor units.

6. Error code AA

+ Error indicator light: AA indicator light.

+ Error name: Loss of signal connection between indoor and outdoor units.

+ Causes: Main control board failure in the indoor unit; loss of signal connection wire between outdoor and indoor units; incorrect signal wire connection between outdoor and indoor units.

When the indoor unit of the Aikibi inverter cassette air conditioner encounters any of the above error codes, if you lack experience in repair and expertise in air conditioning, you should contact the manufacturer's warranty center (if still under warranty) or professional air conditioning technicians for the best repair support. Do not attempt to dismantle the machine for repair on your own as you may worsen the condition.

Some prominent models of ceiling cassette air conditioners available today include: AIKIBI ACF48IH/ACC48IC ceiling cassette air conditioner; Aikibi 2.0HP ACF18IH/ACC18IH (R410A); Aikibi 5.5 Hp ACF48C gas R410A; Aikibi 2 Hp ACF18C gas R410A; Aikibi ACF28IH / ACC28IH…

Frequently Asked Questions

What are the common error codes for Aikibi inverter cassette air conditioners?

The common error codes for Aikibi inverter cassette air conditioners include A1, A2, A5, A8, A9, and AA. Each code indicates specific malfunctions, such as sensor failures or communication issues between the indoor and outdoor units.

How can I troubleshoot the A1 error code on my Aikibi air conditioner?

To troubleshoot the A1 error code, check for a malfunctioning ambient temperature sensor or a failure in the main control board. You may need to replace these components or ensure the sensor jack is properly connected.

What should I do if my Aikibi air conditioner displays the A9 error code?

If the A9 error code appears, first verify the signal connection between the indoor and outdoor units. Replace the main control board in the indoor unit if necessary and ensure that all signal wires are properly connected.

Is it safe to repair my Aikibi air conditioner if I see error codes?

No, it is not safe to attempt repairs on your Aikibi air conditioner if you see error codes without proper expertise. Contact a professional technician or the manufacturer's warranty center for assistance to avoid worsening the issue.

What are the main causes of the A5 error code in Aikibi air conditioners?

The A5 error code indicates a frozen water pump in the indoor unit, often caused by a malfunctioning pump, a stuck motor, or a clogged drain pipe. Regular maintenance can help prevent this issue.

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