Hisense AS-09TR2SYDDX01 Service Manual page 66

Outdoor fan
motor locked
rotor protection
Outdoor coil
anti-overload
protection with
cooling
IPM module
protection
PFC protection
Compressor pre
heating process
Chip in outdoor
board in trouble
AC voltage higher
or lower
protection
DC compressor
start failure
Outdoor ambient
temperature too
low protection
Mark description: the lights flash every two seconds for the following faults
Protection against
overheated
outdoor radiator
Protection of the
system against too
high pressure
When the compressor is in operation:
Mark description: ★：LightΟ：Flash ×：Off; the flash cycle is 1S
No. LED1
O O ★
× ★ ×
× O ×
O × ×
O ★ O
★ × O
O
★ ★
O O ×
★ O O
Ο × ×
Ο Ο ×
LED2 LED3 Reasons for the current operating frequency
a. the connection of the outdoor fan motor is
loose; b. there are something block the
outdoor fan;
failure;
board is failure
a. the refrigerant is too much;
the outdoor fan motor is failure;
c. the outdoor fan is broken;
the condenser is dirty;
inlet and air outlet of the indoor unit and the
outdoor unit is not normally
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 PFC is failure;
outdoor drive board is failure
it is normal mode in cold weather
a. Using the wrong drive board;
b. Using the wrong compressor.
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 outdoor drive board is failure;
b. the compressor is failure
a、Outdoor ambient temperature too low
a. Radiator sensors fail
b. Detection circuit of the sensor on the
control panel fails
a. The pressure switch fails
b. The pressure detection switch on the control
panel fails
c. The measured value of the system pressure
exceeds the limit
66
c. the fan motor is
d. the outdoor control
b.
d.
e. the air
b. the