58
d.
the outdoor control board is
failure
21
x
x
Outdoor coil
anti-overload
protection with
cooling
a.
the refrigerant is too much;
b.
the outdoor fan motor is failure;
c.
the outdoor fan is broken;
d.
the condensor is dirty;
e.
the air inlet and air outlet of the
indoor unit and the outdoor unit is
not normally
22
Compressor
pre heating
process
it is normal mode in cold weather
24
Chip in outdoor
board in trouble
a. Using the wrong drive board;
b.Using the wrong compressor.
26
Overheated
outdoor radiator
a.
Radiator sensor fails
b.
Detection circuit of the sensor
on the control panel fails
27
Protection
against too high
system
pressure
a. The pressure switch fails
b. The pressure detection switch
on the control panel fails
c. The measured value of
system pressure exceeds the
limit
33
★
The failure for
temperature
sensor of
indoor room
d.
The indoor room temperature
sensor loose;
e.
The indoor room temperature
sensor is failure;
f.
The indoor control board is
failure.
34
x
The failure for
temperature
sensor of
indoor coil
temperature
d.
The indoor coil temperature
sensor loose;
e.
The indoor coil temperature
sensor is failure;
f.
The indoor control board is
failure.
36
★
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;
Summary of Contents for AS-10UR4SYDTDI
Page 6: ...6 Gross Weight Kg Indoor Unit 9 5 Outdoor Unit 24...
Page 9: ...9 Gross Weight Kg Indoor Unit 9 5 Outdoor Unit 25...
Page 21: ...21...
Page 22: ...22 Outdoor Model...