Haier AB242ACBEA Service Manual page 92

2. Heating
begining
fails in heating
condensate
flowage failure
airiness circle
improperly
blowing cold air
prevent cold air
failure
the enactment TEMP.
right or not
N
the heating load
beyond the allowable
arange
fault in 4-way vavle
N
quantity of condensate
charge is not enough
N
Y
compressor fault
Y
fan speed at
low-speed
N
air entrance filter
obstruct
heat insulation of condensate
pipeline between indoor unit
and outdoor unit is normal
fault in 4-way vavle
pipe sensor of
indoor unit is fault
Figure

7-2
-51-
Y change the designed
TEMP.
Y
use arange is right
or not
Y
change the
4-way vavle
Y
superaddition condensate
replacing compressor
enact fan speed of
high or middle speed
Y
clear the filter
Y
insulate the two
pipeline respective
Y replacing the
4-way vavle
Y replacing the
4-way vavle
Y
redesign the TEMP.