76
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
×
Ο
★
×
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
★
Ο
×
×
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
★
Ο
×
★
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
★
Ο
★
×
Communicati
on 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.
8
★
Ο
★
★
Current
overload
protection
a.
the fan motor run abnormally;
b.
the condensor and evaporator is
dirty;
c.
the air inlet and outlet is abnormally
9
×
×
Ο
×
Maximum
current
protection
a.
the outdoor control board is short
circuit;
b.
the drive board is short circuit;
c.
the other components is short circuit
Summary of Contents for AS-07UR4SYDDB15
Page 21: ...31 Indoor Model 1508588 1802900 ...
Page 22: ...35 Outdoor Model 1826526 1510248 ...
Page 23: ...40 1854446 ...
Page 36: ...57 Model of outdoor unit OU PCB SYD SVE ...
Page 37: ...58 1888290 ...
Page 39: ...61 ...