Originally Posted by
dai kin
I switched on a new install yesterday (16+14 outdoor units and nine indoors,seven bs boxes and four bevq boxes).Did the test and all ok:rolleyes:but after having it running for about ten mins it all went off on u4 fault,which turned out to be a faulty indoor pcb.So after disconecting the bs box for that unit and reseting the system it all ran:).But now i have another problem,with all fan coils on heating one of the outdoor units is icing up(slave)but the master feels like it is doing nothing(no td across outdoor coil)any idea?