Daikin BRC1C51 Error code help

[monners]

Hi

I had the error 0 with a J5 and an eye on the display. Someone came out and fixed it as it just flashed. Several weekes later same error and nothing. I turned it off at the mains for the day now i get a 0 U4 with eye error yet the fan still works, turn to air and again U4 error flashing, can anyone help it is stinking hot here and cant get daikin out for a few days....

[multisync]

Hi

I had the error 0 with a J5 and an eye on the display. Someone came out and fixed it as it just flashed. Several weekes later same error and nothing. I turned it off at the mains for the day now i get a 0 U4 with eye error yet the fan still works, turn to air and again U4 error flashing, can anyone help it is stinking hot here and cant get daikin out for a few days....

You can't fix a J6 fault 'in a flash' -it's a thermistor fault. So he just turned it off-on. Try turning off/on again as U4 is a communication error between the indoor and outdoor. Otherwise you'll have to sweat it out..