Air-Con ABXCI4H4S0, Service Manual, Page: 51 / 70

51
0 Normal
1 x o x x
The failure for
temperature
sensor of
outdoor coil
a.
The outdoor temperature
sensor loose;
b.
the outdoor temperature
sensor is failure;
c.
The indoor control board is
failure
2
 
★

Compressor
exhaust
temperature
sensor in
trouble
a.
the compressor exhaust
temperature sensor connect
loose;
b.
the compressor exhaust
temperature sensor is failure;
c.
the outdoor control board is
failure
5
★
  
IPM module
protection
a.
The IPM board is failure;
b.
The outdoor fan is broken;
c.
The outdoor fan motor is
failure;
d.
The outdoor fan has been
blocked ;
e.
The condenser is dirty;
f.
The outdoor unit has been
installed without standard.
6
★
 
★
AC voltage
higher or lower
protection
a.
the supply voltage is higher
or lower than normal;
b.
the inner supply voltage of
the unit is higher or lower than
normal
7
★

★

Communication
failure between
the indoor unit
and outdoor
unit
a.
the communication cable
connect loose;
b.
the communication cable is
failure;
c.
the connection between the
filter board and the outdoor
control board is incorrect or
loose;
d.
the connection between the
filter board and the terminal is
incorrect or loose;
e.
the indoor control board is
failure;
f.
the PFC board is failure;
g.
the power board is failure;
h.
the outdoor control board is
failure.