Tech Support 24/7
Ask a Tech Specialist Online
Connect with the Expert via email, text or phone. Include photos, documents, and more. Get step-by-step instructions from verified Tech Support Specialists.
On this page, you will find more information about the most common causes and most relevant solutions for the AC error 'A3'. Do you need help straight away? Visit our support page.
Let's get started
It has never been easier to solve error "A3".
View list of solutions Contact an expertError information
-
Category
-
Error codeA3
-
ProductAC
-
DeveloperDaikin
-
First seenSeptember 11, 2021
-
VerifiedYes
What causes the A3 error?
The Daikin documentation indicates that error code 'A3' is caused by the following problem: "Drain Level Control System Abnormality".
Do you think there is another cause for this error? Let others know in the comments.
How to solve Daikin AC error A3
We've created a list of solutions which you can follow if you want to solve this AC problem yourself. Do you need more help? Visit our support page if you need professional support with AC right away.
Daikin solution
Drain clogging, upward slope. Defective drain pump. Defective float switch or short circuit connector.
Do you still have problems with this error? Try one of the quick fixes below or leave a comment.
Tech Support 24/7
Ask a Tech Specialist Online
Connect with the Expert via email, text or phone. Include photos, documents, and more. Get step-by-step instructions from verified Tech Support Specialists.
Have you found a solution yourself, but it is not in the list? Share your solution in the comments below.
