Haier AD482MPERA - Page 274

273
yes
[46] communication with inverter module failure
no
no
no
yes
yes
no
re-set dip switch
replace connecting board
yes
measure if voltage of
CN28 on connecting
board changes by
multimeter
check if communication wire
between connecting board and
module is connected
normally
replace wire
replace module
check if communication
wire is broken down
re-connect
check if dip switches are
set as folowing:
BM3-4 OFF;
BM5-5, BM5-6 OFF;
BM5-7, BM5-8 ON