Outdoor fan
motor locked
rotor protection
O
O
★
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
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 condenser is dirty;
e.
the air
inlet and air outlet of the indoor unit and the
outdoor unit is not normally
IPM module
protection
×
O
×
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.
PFC protection
O
×
×
a.
the PFC is failure;
b.
the
outdoor drive board is failure
Compressor pre
heating process
O
★
O
it is normal mode in cold weather
Chip in outdoor
board in trouble
★
×
O
a. Using the wrong drive board;
b. Using the wrong compressor.
AC voltage higher
or lower
protection
★
★
O
a.
the supply voltage is higher or lower than
normal;
b.
the inner supply voltage of the unit is higher or
lower than normal
DC compressor
start failure
O
O
×
a.
the outdoor drive board is failure;
b.
the compressor is failure
Outdoor ambient
temperature too
low protection
★
O
O
a
、
Outdoor ambient temperature too low
Mark description: the lights flash every two seconds for the following faults
Protection against
overheated
outdoor radiator
Ο
×
×
a. Radiator sensors fail
b. Detection circuit of the sensor on the
control panel fails
Protection of the
system against too
high pressure
Ο
Ο
×
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
When the compressor is in operation:
Mark description:
★：
LightΟ
：
Flash ×
：
Off; the flash cycle is 1S
No.
LED1
LED2
LED3
Reasons for the current operating frequency
66
Summary of Contents for AS-09TR2SYDDC01
Page 13: ...View Model R2 View 3 2 Product dimensions Indoor units 13...
Page 19: ...1802900 1902289 19...
Page 20: ...1854605 1861005 20...
Page 21: ...1867560 1875124 21...
Page 22: ...1874568 1847397 22...
Page 23: ...1852066 Outdoor 1507746 23...
Page 24: ...1826526 1854707 24...
Page 25: ...1877957 1852132 25...
Page 26: ...1854446 4 3 Refrigerant Flow System 26...
Page 31: ...J1 06 31...
Page 32: ...R1 01 32...
Page 33: ...33...
Page 34: ...R2 01 Function Instruction 34...
Page 45: ...1916682 45...
Page 47: ...Model of outdoor 1555069 1887379 47...
Page 48: ...1841765 48...
Page 50: ...1952498 50...
Page 78: ...2 DC Fan test point 78...
Page 79: ...3 4 79...
Page 80: ...5 80...
Page 81: ...81...
Page 82: ...DC fan motor test point 82...
Page 83: ...AC voltage test point Sensor test point 6 83...
Page 84: ...test point Check the screw of IPM fastening test point Forward of IPM P U P V P W test 84...
Page 86: ...test point The resistance of the compressor U W V W 7 SI and N test point 86...
Page 87: ...87...
