
0
Normal
1
x
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.
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