Current overload
protection
★
O
×
a.
the fan motor run abnormally;
b.
the condenser or and evaporator is dirty;
c.
the air inlet and outlet is abnormally
Maximum current
protection
★
O
★
a.
the outdoor control board is short circuit;
b.
the drive board is short circuit;
c.
the other components is short circuit
Communication
trouble between
outdoor unit and
driver
×
★
★
a.
the connection wires connect loose
b.
the outdoor board or drive board is failure;
Outdoor
EEPROM in
trouble
★
★
★
a.
he EEPROM chip is loose;
b.
the EEPROM chip inserted with opposite
direction;
c.
the EEPROM chip is failure
Compressor
exhaust
temperature too
high protection
×
O
★
a.
the compressor exhaust temperature sensor is
failure;
b.
the refrigerant of the unit is not enough
Outdoor ambient
temperature
sensor in trouble
★
★
×
a.
the outdoor ambient temperature sensor
connect loose;
b.
the
outdoor ambient temperature sensor is failure;
c.
the outdoor control board is failure
Compressor shell
temperature too
high protection
×
★
O
a.
the compressor exhaust temperature sensor
connect loose
b.
the refrigerant of the unit is not enough
Anti-freeze
protection with
cooling or
overload
protection with
heating in indoor
unit
×
O
O
a.
the indoor coil temperature sensor connect
loose;
b.
the indoor coil temperature sensor is failure;
c.
the indoor control board is failure
d.
the refrigerant system is abnormal.
Compressor drive
in trouble
O
×
O
a.
the outdoor drive board is failure;
b.
the compressor is failure
c.
the outdoor control board is failure
65
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...