Hi guys,

I've got an old Daikin FTXD60JVEA outdoor on the roof that has been running fine until recently, but now it has an intermittent issue of the air blowing out of the indoor unit not being cold. Resetting the system by turning the indoor/outdoor off on the fuse box for 30secs or so seems to rectify the issue for a day or so but then it happens again. The indoor unit works as normal, i.e. turns on/off okay etc but the air coming out just isn't cold.

I got on the roof today and noticed LED3 permanently on, which indicates output overcurrent. If I reset the outdoor unit on the roof the LED clears and I can fire it up using the manual override - fan and compressor startup and seem to run okay. Indoor unit has cold air blowing out so all seems fine but clearly there is some intermittent fault somewhere, which would seem to me to be mechanical. Any ideas what might be causing the issue or how I can diagnose?

Thanks,
Wilson.