bangoman
02-07-2009, 01:16 PM
unit
fujitsu inverter
indoor model:ABTA45LAT(UNDERCEILING CASSETTE)
out door model:AOTA45LATL
problem: bth indoor and outdoor unit nt running
indoor lights all off
my diagnosis
OUTDOOR UNIT
checked voltage on outdoor ,L-N =240V
checked voltage N-1=240V
CHECKED VOLTAGE 1-2=240V
disconnected 3 from terminal block and checked voltage, 2-3=90v-125v
checked voltage, 2 and the disconnected 3 which goes to indoor got 84v
INDOOR UNIT
CHECKED 1-2 =240V
CHECKED 2-3=30V-90V
TO CHECK
COMPRESSOR MOTOR WNDINGS RESISTANCE
BTH FAN MOTORS WINDING RESISTANCE
Any input welcome thank you
fujitsu inverter
indoor model:ABTA45LAT(UNDERCEILING CASSETTE)
out door model:AOTA45LATL
problem: bth indoor and outdoor unit nt running
indoor lights all off
my diagnosis
OUTDOOR UNIT
checked voltage on outdoor ,L-N =240V
checked voltage N-1=240V
CHECKED VOLTAGE 1-2=240V
disconnected 3 from terminal block and checked voltage, 2-3=90v-125v
checked voltage, 2 and the disconnected 3 which goes to indoor got 84v
INDOOR UNIT
CHECKED 1-2 =240V
CHECKED 2-3=30V-90V
TO CHECK
COMPRESSOR MOTOR WNDINGS RESISTANCE
BTH FAN MOTORS WINDING RESISTANCE
Any input welcome thank you