ALC1
02-03-2016, 03:45 PM
Hi Guys,
Have a prob with a U4 fault on this single unit, have 30vdc coming of outdoor unit comms to earth wire 2vdc of indoor unit.
Checked drain -all clear, powered down and up no joy.
Flaps opens and closes on indoor -power 230v ok
suspect indoor unit pcb, any advice would be welcome
Have a prob with a U4 fault on this single unit, have 30vdc coming of outdoor unit comms to earth wire 2vdc of indoor unit.
Checked drain -all clear, powered down and up no joy.
Flaps opens and closes on indoor -power 230v ok
suspect indoor unit pcb, any advice would be welcome