Air-Con ABSCI4H4S09, Service Manual

Page: 68 / 74

68
failure
20
★
× × Ο
Outdoor fan
motor locked
rotor
protection
a. the connection of the outdoor
fan motor is loose;
b. there are something block
the outdoor fan;
c. the fan motor is failure;
d. the outdoor control board is
failure
21
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 o x x
★
The failure for
temperature
sensor of
indoor room
a. The indoor room temperature
sensor loose;
b.
The indoor room temperature
sensor is failure;