Hisense AS-13UR4SYDTDI Service Manual page 55

34 o

★
36
★
38 o
39 o
★ ★
41
2.2 LED display
Sleep Timer Running
Error
code
1 2
0

★
1
★
x x

★
★ ★
★ ★
x
★
o
Remark：★Light
3 Content
Normal
The failure for
temperature
★
sensor of
outdoor coil
The failure for
temperature
sensor of
indoor coil
temperature
Communicatio
n failure
between the
indoor unit and
outdoor unit
Indoor
EEPROM
failure
Indoor fan
motor run
abnormally
The failure for
Indoor
grounding
protective

Remark
55
a. The indoor coil temperature
sensor loose;
b. The indoor coil temperature
sensor is failure;
c. The indoor control board is
failure.
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 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;
c. The fan motor is failure;
d. The indoor control board is
failure
The indoor control board is failure
Flash x OFF
The root cause is may be one of
the following
d. The outdoor temperature sensor
loose;
e. The outdoor temperature sensor
is failure;
f. The indoor control board is failure