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JustAnswer
justanswer.com › hvac › j9s6u-air-conditioner-showing-a6-error-code-ok-daikin-mini-spilt.html
Daikin Mini Split A6 Error Code? Troubleshooting Guide
April 29, 2022 - Since replacing the fan motor didn’t help, inspect the indoor unit’s PCB connectors for loose wires or corrosion. Check the fan motor capacitor and wiring harness continuity. Reset the system by disconnecting power for 5 minutes.
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Daikin India
daikinindia.com › product-services › product-services › error-codes
Error Codes | Daikin
The remote controller can receive relevant error codes from the indoor unit. The code indication changes as shown below, and notifies with a long beep. ... Customer Support Information: WhatsApp us your query @ 9871409300. Call Our Customer Contact Centre: 011-40319300 / 1860 180 3900 or Write To Us at customerservice@daikinindia.com X
Discussions

Daikin 0.75 Ton Non-Inverter AC – Fan Speed Fluctuates, Remote Shows A6 Error, Random Shutoff with Led light starts blinking
The A6 error on your Daikin 0.75 Ton non-inverter AC points to an indoor fan motor issue, and based on your symptoms, fluctuating fan speed, intermittent operation, and temporary recovery after a power reset, the most likely cause is a weak or failing fan motor capacitor. This is a common issue and should be replaced first, as it's cheap and often overlooked. If the problem persists, the motor itself could be failing (especially if it's a DC type), or the indoor PCB may be sending erratic signals. Many users with similar issues found the capacitor or fan motor to be the culprit before needing to replace the PCB. More on reddit.com
🌐 r/diyelectronics
1
1
June 23, 2025
I had the A6 error code last week but managed to reset it.
I had the A6 error code last week but managed to reset it. It has now come on again. My husband has checked and done the dials but I cannot reset/get rid of A6 code. JA: I'm sorry to hear about the recurring A6 error code on your Daikin unit. Have you tried any other troubleshooting steps besides ... More on justanswer.co.uk
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1
August 27, 2024
Aire acondicionado Daikin no inverter de 0.75 toneladas ...
🌐 r/diyelectronics
Anyone ever gotten a EA code on a Daikin Mini Split?
It's in the game! More on reddit.com
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43
5
August 8, 2022
People also ask

How do you reset a Daikin fault?
To reset a Daikin fault, you must enter the diagnostic mode using the remote control to retrieve the fault code.  Then, use the On/Off button to reset the unit.  If the fault persists, professional assistance may be required.
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penair.com.au
penair.com.au › home › how to reset a daikin air conditioner
Daikin Troubleshooting: Error Codes & Resetting A Daikin
Where is the reset button on a Daikin?
The reset function for a Daikin air conditioner is typically activated through the remote control.  Instead of a separate reset button, the On/Off button acts as the Daikin Air Conditioner reset button.
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penair.com.au
penair.com.au › home › how to reset a daikin air conditioner
Daikin Troubleshooting: Error Codes & Resetting A Daikin
Why is my Daikin air conditioner not starting?
If you experience issues like your Daikin AC not turning on, check for any power supply issues first.  If the power supply is fine, try resetting the unit using the remote control.  Persistent starting issues might indicate a more serious problem needing professional attention.
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penair.com.au
penair.com.au › home › how to reset a daikin air conditioner
Daikin Troubleshooting: Error Codes & Resetting A Daikin
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Daikin
daikin.com › products › ac › services › error_codes
Error Codes | After Sales Service | Air Conditioning and Refrigeration | Daikin Global
Error Code Search offers information on the cause of the malfunction and the status of your air conditioner by entering the error code.
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Daikin
daikin.com › - › media › Project › Daikin › daikin_com › products › ac › services › error_codes › pdf › sm-ts3_p7-8_howtocheck-pdf.pdf pdf
UNIT NO. 1 CODE UNIT NO. 1 3. Press MODE selector button. 4. Change the
8. Press the MODE button to exit from the · diagnosis mode. The display “ ” means the trial operation · mode. 9. Press the ON/OFF button twice to return · to the normal mode. Note: When the remote controller is left untouched · for 60 seconds, it returns to the normal mode. No.
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YouTube
youtube.com › watch
How To Fix Daikin Air Conditioner Fault Code A6 - YouTube
Seeing the A6 error code on your Daikin air conditioner? This video guides you through simple steps to troubleshoot and fix the Daikin A6 fault. Learn what c...
Published   May 16, 2025
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Daikin
my.daikin.eu › content › dam › DASW › supportavdelningen › Felkoder_SM-TS3errorcode_chart.pdf pdf
Simple Self-Diagnosis by Malfunction Code After Sales Service Division (SM-TS3)
8. Press the MODE button to exit from the · diagnosis mode. The display “ ” means the trial operation · mode. 9. Press the ON/OFF button twice to return · to the normal mode. Note: When the remote controller is left untouched · for 60 seconds, it returns to the normal mode. No.
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JustAnswer
justanswer.com › hvac › nn43l-i-m-having-constant-a6-error-code-skyair-unit.html
A6 Error Code on Skyair Unit? Troubleshooting Help Guide
In heating mode, check the PCB connectors for loose wiring or corrosion. Inspect the thermistor sensors for damage or disconnection, as faulty temperature readings can trigger this error. Reset the system by powering off for several minutes.
Find elsewhere
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Daikin
daikin.com › - › media › Project › Daikin › daikin_com › products › ac › services › error_codes › pdf › sm-ts3_p1-6_errorcode-pdf.pdf pdf
Simple Self-Diagnosis by Malfunction Code After Sales Service Division (SM-TS3)
A6 · Malfunction of fan motor · Broken wires in, short circuit of, or disconnection of · connectors from the fan motor harness · Defective fan motor · Defective indoor unit PCB · k k k k k · A7 · Malfunction of swing fl ap motor · Defective swing fl ap motor ·
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CoolAutomation
coolautomation.com › blog › daikin error codes: comprehensive breakdown
Daikin Error Codes (Malfunction Self-Diagnosis)
July 20, 2025 - Other centralized control power disconnection Centralized control reset switch ON Defect of transmission wiring Central remote controller address change
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Penair
penair.com.au › home › how to reset a daikin air conditioner
Daikin Troubleshooting: Error Codes & Resetting A Daikin
November 10, 2025 - Note this code and reset your system by switching off the mains power and leaving it for 20 – 30 minutes. This reset may be all you need to fix the issue; however, if the system malfunctions again or doesn’t work after the reset, contact ...
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Scribd
scribd.com › document › 425197901 › Daikin-error-code-pdf
Daikin VRV Error Code Troubleshooting Guide | PDF | Manufactured Goods | Electrical Engineering
If this still cannot solve the error, replace the PC board for the fan. A6 − 11 Fan position detection error An error in the detection of position of the fan motor. Check for the connection of the connector between the fan motor and the PC board for the fan.
Rating: 5 ​ - ​ 1 votes
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Reddit
reddit.com › r/diyelectronics › daikin 0.75 ton non-inverter ac – fan speed fluctuates, remote shows a6 error, random shutoff with led light starts blinking
r/diyelectronics on Reddit: Daikin 0.75 Ton Non-Inverter AC – Fan Speed Fluctuates, Remote Shows A6 Error, Random Shutoff with Led light starts blinking
June 23, 2025 -

Hi all, I’m dealing with a frustrating issue on my Daikin 0.75 ton non-inverter split AC (India model).

Problem:

The indoor blower fan speed fluctuates on its own, sometimes it runs slow, then speeds up randomly, and even drops down to almost zero airflow.

The AC might run normally for 30 minutes, 1 hour, or even 3, 4 days without any problem.

But once the issue starts, it keeps happening until I turn the AC off completely for a while.

The remote/controller displays the A6 error code, even while the ac is running, or if the unit stops responding properly.

Once the A6 appears, it starts happening more frequently unless power is cut off for some time.

What’s Been Done:

A technician checked the PCB and changed a diode, thinking it was the cause.

It worked fine for a few days, but the same issue returned.

The capacitor hasn’t been replaced yet, but fan motor runs when AC starts.

Room is big, but I don’t think that’s directly causing this, as airflow is strong when it’s running.

My Questions:

  1. What could be causing the fan speed to fluctuate this way? (Especially slowing down to a near stop, then surging)

  2. Is this a PCB issue, motor problem, or just a weak capacitor?

  3. Has anyone faced something similar with Daikin non-inverter units?

Any help or suggestions from HVAC pros or DIYers would be greatly appreciated!

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Skycon Air Pty Ltd
skyconair.com.au › home › error codes › daikin error codes › a6
Daikin A6 Error Code
May 8, 2025 - An A6 error code indicates a fan motor malfunction, which could lead to improper airflow and system inefficiency.
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Airchillac
airchillac.com › daikin-ac-error-codes
Daikin AC Error Codes Guide – Fixes, and Troubleshooting Tips | AirChill AC Maintenance and Duct Cleaning
June 5, 2025 - Common Daikin AC error codes, what they mean, and how to fix them easily. Full list of Daikin air conditioner error codes, error reset codes.
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Fixya
fixya.com › home › forum › heating & cooling › cfm › daikin r410a split system air conditioner
SOLVED: How to fix Daikin aircon error A6? - Cfm Daikin R410a Split System... | Fixya
March 29, 2011 - more info needed. try fixing the problem then turn unit of at the main power wait for 10 mins then turn on? whats the error code?
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RemoveandReplace.com
removeandreplace.com › home › home air conditioning › daikin air conditioner ac error codes
DAIKIN Air Conditioner AC Error Codes
December 22, 2022 - Daikin AC Error Code = M8 Error Code Definition = Malfunction of transmission between optional controllers for centralized control – Centralized control power disconnection What To Fix/Check/Replace = Centralized control reset switch ON – Defective transmission wiring – Central remote controller change
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Airintelligence
airintelligence.com › daikinone › ErrorCodes-S21.htm
Airintelligence
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