Haier AD96NAHAEA - Page 66

Commercial Air Conditioner Model: AU96NATAEA
AD96NAHAEA, AP96NACAEA
66
6) E4 – outdoor coil temperature sensor abnormal
start
no
display E4
adjust the position
change the sensor
no
check if the sensor
value is right
yes
check if outdoor coil
tem p.sensor is
lo c a te d
7) E5 – over current protection
start
display E5
compressor not
runs or stops after
running a little
compressor load too
large,current is
more than limitation
if compressor
stops suddenly in
running and
alarms
analyse reason of
compressor overheat,
and refer to the system
information
analyse reason of
compressor overheat,
and solve it
switch off power,and power
on when temperature reduces
to 30-40degree, start up again
no
yes
yes
yes
8) E6 – pressure protection