
56
9
Maximum
current
protection
a.
the outdoor control board is short
circuit;
b.
the drive board is short circuit;
c.
the other components is short
circuit
10
★
x
x
Communication
trouble
between
outdoor unit
and driver
a.
the connection wires connect
loose
b.
the outdoor board or drive
board is failure;
11
x
x
Outdoor
EEPROM in
trouble
a.
the EEPROM chip is loose;
b.
the EEPROM chip inserted with
opposite direction;
c.
the EEPROM chip is failure
12
Outdoor
ambient
temperature
too low
protection
Outdoor ambient temperature too
low
13
x
★
Compressor
exhaust
temperature
too high
protection
a.
the compressor exhaust
temperature sensor is failure;
b.
the refrigerant of the unit is not
enough
14
★
★
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
15
x
★
Compressor
shell
temperature
too high
protection
a.
the compressor exhaust
temperature sensor connect loose
b.
the refrigerant of the unit is not
enough
16
★
x
★
Anti-freeze
protection with
cooling or
overload
protection with
heating in
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.
17
x
★
x
PFC
protection
a.
the PFC is failure;
b.
the outdoor drive board is failure
18
x
★
★
DC compressor
start failure
a.
the outdoor drive board is failure;
b.
the compressor is failure
Содержание ABXCI4H4S0
Страница 15: ...15 Outdoor 1854707...
Страница 20: ...20 L1 04...
Страница 21: ...21 Function Instruction 1 Major general technical parameters...
Страница 63: ...63 3 4...
Страница 64: ...64 5...
Страница 65: ...65...
Страница 66: ...66 DC fan motor test point...
Страница 68: ...68 6 test point Check the screw of IPM fastening...
Страница 70: ...70 test point The resistance of the compressor U W V W 7 SI and N test point...