Haier AD28NAMBEA - Wired Controller Alarm E0: Floater Switch Abnormal; Wired Controller Alarm E1: Ambient Temperature Sensor Abnormal

2) The wire control organ displays the alarm signal with “E0”
“E0” means the floater switch of indoor unit is abnormal 
replacing the switch
if the function of the
floater is normal
if the floater swith is
orientated correctly
the alarm signal of wire
control organ is E0
begining
amend the oritation of
the floater switch
N
Y
N
Figure 7-4
3) The wire control organ displays the alarm signal with “E1”
“E1” means indoor ambient temperature sensor is abnormal
amend the
position of the
sensor
if the indoor ambient sensor
is orientated correctly
replacing the sensor
N
if the resistance of
sensor is right
Y
N
wire control organ displays
the alarm signal with E1
begining
Figure 7-5
Notation: The resistance of indoor ambient sensor is 23K
-53-