Hello i'm another newbie

[wkwong.alan]

Hai :) to everybody in here.i'm newbie in air-conditioning field so always facing so much unsettle trobleshooting case.I wish to get more knowlerge about air-conditioning sytem especially Daikin VRV system and i hope buddy in here can share his experience with me thankyou very much

[nh3wizard]

Welcome to RE, feel free to contibute

[superswill]

welcome to the "think tank" wkwong.alan

[wkwong.alan]

Hi superwill,do you have experience of Panasonic ceiling casstle trobleshoot?i got 1 case is the compressor freezing,sometime can operate quite long sometime only can operate 15 minutes.While the system stop fan coil off itself,the outdoor unit PCB led 2,3,5,7 light up it could be what problem?protection device activate?thanks in advance for your comment.