Haier AD482MPERA - Page 273

272
yes
[45] communication among outdoors failure
no
no
no
yes
yes
no
replace outdoor communication
wire
remove the interference
yes
if outdoor unit number
is set correctly
if there is interference in
the place where outdoor is
installed
cut off power
supply of outdoor
master unit, search
outdoor again to
check if it is normal
check if communication wire
among outdoors is connected
normally
re-set unit number
replace PCB
check if communication
wire among outdoors is
broken down
re-connect
no