Why is my Daikin FTYN25DAV3B Air Conditioner not turning on?
- MMichael SimpsonAug 14, 2025
If your Daikin Air Conditioner isn't turning on and the OPERATION lamp is off, first, make sure that the breaker hasn't tripped or a fuse hasn't blown. Then, check for a power outage. Also, verify that the batteries are correctly installed in the remote controller and that the timer is properly set.