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38
o
39
o
41
★
2.2 LED display
Slee
Time
Erro
p
r
r
cod
1
2
e
0
1
Ο
★
Ο
★
2
Ο
★
5
x
Ο
6
★
★
★
x
★
★
o
★
★
Runnin
Remark：★Light
g
3
Content
Normal
The failure for
temperature
★
sensor of
outdoor coil
x
Compressor
exhaust
temperature
sensor in
trouble
x
IPM module
protection
x
AC voltage
higher or lower
protection
Indoor
EEPROM
failure
Indoor fan
motor run
abnormally
The failure for
Indoor
grounding
protective
Ο
Flash x OFF
Remar
k
71
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.
a. The EEPROM chip loose;
b. The indoor control board is
failure
a. There are something block
the indoor fan motor;
b. The fan motor cord connect
loose;
fan motor is failure;
d. The indoor control board is
failure
The indoor control board is
failure
The root cause is may be one of
the following
a. The outdoor temperature sensor
loose;
b. The outdoor temperature sensor
is failure;
c. The indoor control board is
failure
a. the compressor exhaust
temperature sensor connect loose;
b. the compressor exhaust
temperature sensor is failure;
c. the outdoor control board is
failure
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.
a. the supply voltage is higher or
lower than normal;
c. The
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