Hisense AS-13UR4SYDTDI Service Manual page 56

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2
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5
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x
6
★ ★
7
8
9
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x
10
x
Compressor
exhaust
temperature
sensor in
trouble
x
IPM module
protection
x
AC voltage
higher or lower
protection
x
Communication
failure between
the indoor unit
and outdoor
unit
Current
overload
protection
Maximum
current
protection
Communication
x
trouble
between
outdoor unit
and driver
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;
b.the inner supply voltage of the
unit is higher or lower than
normal
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.
a.the fan motor run abnormally;
b.the condensor and evaporator is
dirty;
c.the air inlet and outlet is abnormally
a.the outdoor control board is short
circuit;
b.the drive board is short circuit;
c.the other components is short
circuit
a. the connection wires connect
loose
b.the outdoor board or drive board
is failure;
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