Daikin Air Conditioner Troubleshooting
Daikin Air Conditioner Troubleshooting

Daikin Air Conditioner Troubleshooting

If you're looking for help fixing your Daikin Air Conditioner, look no further! Our comprehensive Daikin Air Conditioner Troubleshooting guide will explain common issues, provide tips, and show you how to read your model's error codes.

The air conditioner does not cool or heat the room well. 
Is the temperature and the operation mode properly set by the remote controller? 
Are air quantity and direction properly controlled? 
Are air filters clean? 
Are areas directly below or next to the air conditioner blocked by furniture or other objects? 
Are windows and doors closed? 
Has the ventilation fan stopped? 

Warm air does not flow immediately after starting the heating operation. 
This is not a malfunction of the air conditioner. 
The air conditioner is warming up. Please wait for about 3 minutes. 

The air conditioner does not operate. (The operation lamp is off.) 
Is the breaker thrown or the fuse blown? 
Is the power plug connected to the outlet? 
Has there been a power failure? 
Do the batteries in the remote controller need replacement? 
Is the timer set correctly? 

The air conditioner does not operate. (The operation lamp flashes.) 
Unplug the power cord or turn off the circuit breaker. Wait for about 1 minute, and then turn on the power. If the operation lamp flashes, contact the place of purchase. 

The ON/OFF button on the main unit or remote controller does not work. 
Stop operation, unplug the power cord or turn off the circuit breaker, and contact the place of purchase. 

The air conditioner does not operate immediately when the unit is turned on during or after filter cleaning operation. 
The air filter is returning to normal position. Please wait for about 3 minutes. 

The air conditioner does not operate immediately when operation is restarted immediately after stopping, or the operation mode has changed. 
This is not a malfunction of the air conditioner. 
This is to protect the air conditioner. Please wait for about 3 minutes. 

The air conditioner does not operate immediately when dry or cooling operation is activated. 
When dry or cooling operation is activated with the auto fan speed setting set to ON, the SMELL PROOF operation starts and removes stagnant odor from the indoor unit before air is discharged. Therefore, the unit does not discharge air immediately after the operation starts. Please wait for about 30 to 40 seconds. 

Operation stops unexpectedly. (The operation lamp is on.) 
This is not a malfunction of the air conditioner. 
When the voltage fluctuates largely, operation can stop to protect the air conditioner. Operation restarts automatically in about 3 minutes. 

The unit turns on and off repeatedly. (The operation lamp is on.) 
When the room temperature reaches the set temperature, the air conditioner operates in breeze mode to prevent excessive cooling or heating. When the room temperature decreases or increases from the set temperature, the breeze mode is cancelled and the air flow volume increases. When the room temperature is stable and remains near the set temperature, the air flow volume may increase and decrease repeatedly. 

Operation stops unexpectedly when ON timer is set. 
This is not a malfunction of the air conditioner. 
When the ON timer is set, operation starts up to 1 hour before the time set to reach the setpoint. If the remote controller is operated during this time, the operation automatically stops. Restart operation using the remote controller. 

Operation stops unexpectedly. (The operation lamp on the main unit flashes.) 
Are the air filters clean? If not, clean the air filters and restart operation using the remote controller.If the operation lamp still flashes, disconnect the power plug from the outlet or turn the breaker off and contact the place of purchase. 
Are there any objects blocking the air inlet or outlet of the indoor/outdoor unit? Remove any objects and restart operation using the remote controller. 



Related Error Code Pages:
Daikin Air Conditioner Error Codes, Daikin Furnace Error Codes,

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Product Reviews:

If cooling is your main concern, you simply can’t go wrong with Daikin ai
If cooling is your main concern, you simply can’t go wrong with Daikin air conditioners. Additionally, the manufacturer hires professional representatives that are always respectful and try to find a solution, no matter the issue at hand.
Published: November 15, 2019
airconditionerlab.com
Source: airconditionerlab.com

I purchased a Daikin System, at first I was skeptical with being it's
I purchased a Daikin System, at first I was skeptical with being it's a brand I never heard of- The Installing ac company assured Daikin is the best and he backs the brand with a Peace if mind warranty – 12 yr warranty- 12 yr labor insurance not offered by other Brands -he even helped navigate to actual online websites and showed me the real reviews – showed me the savings and comfort the ac will bring into our lives – well it's been 7 months and the Daikin system is outstanding, it runs efficiently and very quiet – my electric Bill even dropped – my neighbor wants one now and he is going with the new fit – I highly recommend and they are made in the USA
Published: May 3, 2019
Logan Gil
Source: furnacecompare.com

I purchased this AC after it was offered by a local contractor this summer.
I purchased this AC after it was offered by a local contractor this summer. Works great, quiet, and low utility bill. Never heard of Daikin but I am glad I purchased the unit so far.
Published: August 3, 2016
James
Source: furnacecompare.com

The variable drive DX20VC is an excellent choice for the homeowner that pla
The variable drive DX20VC is an excellent choice for the homeowner that plans to stay in their existing home for 5+ years. This pay back on savings from utilities, comfort, and lack of noise that this unit provides is second to none. We have installed many of this exact model and I can honestly say that we have not been back to one installation for anything. The warranty is the best in the business and the factory support has been great. Nice product Daikin!
Published: February 3, 2015
daikincomfort.com
Source: daikincomfort.com

We installed 4 of these systems at the same home, which was of course a cos
We installed 4 of these systems at the same home, which was of course a costly investment for the homeowner so they were a little nervous about such a purchase. After a summer the customer is so happy with the performance and has reported unbelievable energy savings. The outside units sit just outside the master bedroom and they are relieved to be able to sleep well again! Also, as our installers and service technicians learn more about this product they've really enjoyed the ease of installation and testing.
Published: January 3, 2015
daikincomfort.com
Source: daikincomfort.com

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