Whether it’s a standard model or a Daikin ducted air conditioner, the reset process is the same and can be done using the remote control: Find the On/Off button on your Daikin air conditioner’s remote. Press and hold this button for two seconds. Release the button, then press it once more. Finally, press it a third time. Your Daikin air conditioner should reset and start running again. Copy pasta from google. Best I got aside from non cheap batteries that are alkaline More on reddit.com

Yes so that indicates high suction pipe temperature, which is most likely low refrigerant, but could be other things, like a compressor failing to start or a clogged txv. I would advise touch nothing and call out the installers asap ! More on reddit.com

They have their own specific setup that I can’t remember (too many schematics in my brain). If it runs for a little bit and then shuts off for a while, kicks on for a bit and yada yada, check your condensate line, might be tripping a “safety switch.” Thats a quick fix, vacuum out the line. Check around the condenser and see if there’s a bunch of droppings. Rodents like to keep warm and chew on wires, those little bastards. Could be a number of things. But I’d start with the condy line. More on reddit.com

"HI this is daikin returning your call 7 hours later. You still on site?" More on reddit.com