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MAINTENANCE
1.3 Error description
If some error occurs when the unit is running, the error code will be displayed on the wired controller and the main
board
of the outdoor unit.See the table before for more details about the meaning of each error.
Residential AC Errors
/
/
/
/
Short/open circuit
of the liquid valve
temperature sensor
Short/open circuit
Short/open circuit of the gas
of the gas valve
temperature sensor
or blockage protection
(available for the
residential outdoor unit)
Short/open circuit of
the indoor ambient
temperature sensor
Short/open circuit of
the indoor evaporator
Short/open circuit of the
of the outdoor ambient
temperature sensor
Short/open circuit of
the temperature sensor
at the midway of the
midway of the condenser coil
condenser coil ( for
the commercial unit)
Short/open circuit of
the outdoor discharge
temperature sensor
Oil returning in cooling
System high pressure
protection
Anti-freezing protection
System low pressure
protection (reserved)
Compressor discharge
high temperature
protection
Whole unit over-
current protection
Communication error
between the indoor
and outdoor units
Overload protection
Anti cold blow protection
/
Trial run/trial operation
Refrigerant
recovery mode
Drive module
resetting(for the
IPM Drive module resetting
commercial unit)
Min. cooling/heating
(capability test code)
56
Outdoor Unit
Commerical AC Errors
"88" Display
Defrosting mode 1
Defrosting mode 2
heating overload protection
Normal running
Short/open circuit
of he liquid valve
temperature sensor
valve temperature sensor
or blockage protection
(available for the
residential outdoor unit)
Short/open circuit of
the indoor ambient
temperature sensor
Short/open circuit of
the indoor evaporator
Short/open circuit of the
of the outdoor ambient
temperature sensor
Short/open circuit of the
temperature sensor at the
( for the commercial unit)
Short/open circuit of
the outdoor discharge
temperature sensor
Oil returning in cooling
System high pressure
protection
Anti-freezing protection
System low pressure
protection
Compressor discharge high
temperature protection
Whole unit over-
current protection
Communication error
between the indoor
and outdoor units
Overload protection
/
Indoor unit water
Trial run/trial operation
Refrigerant recovery mode
Cooling IPLV test
Cooling IPLV test
Indicating Lamp
Running
Cooling
08
/
/
0A
/
/
Flash 3
Flash 3
0C
times
times
ON
/
/
Shown as
Flash 19
/
Table 16
times
Shown as
Flash 22
/
Table 16
times
Flash 10
F0
/
times
Shown as
Flash
/
Table 16
once
Shown as
Flash
/
Table 16
twice
Flash 3
F3
/
times
Flash 4
F4
/
times
Flash 5
F5
/
times
F7
/
/
Flash
E1
/
once
Flash
E2
/
twice
Flash 3
E3
/
times
Flash 4
E4
/
times
Flash 3
Flash 3
E5
times
times
Shown as
Flash 6
/
Table 16
times
Shown as
Flash 7
/
Table 16
times
Flash 3
Flash 3
E8
times
times
/
/
E9
/
Flash
Quick
Quick
dd
Quick
Quick
Fo
Flash 3
Flash 3
P0
times
times
Quick
/
P0
/
/
Lamp Panel
"88" Display
Controller
(Floor Ceiling
Heating
Type)
/
/
/
/
Flash 3
/
times
/
/
/
b5
/
b7
/
oE
/
F1
/
F2
/
F3
/
F4
/
F5
/
/
/
E1
/
E2
/
E3
/
E4
Flash 3
oE
times
/
E6
/
E7
Flash 3
oE
times
/
/
Flash
E9
Quick
dd
/
Fo
Flash 3
oE
times
/
P0
Quick
P0
Wired
Display
/
/
oE
/
b5
b7
oE
F1
F2
F3
F4
F5
/
E1
E2
E3
E4
oE
E6
E7
oE
/
E9
dd
Fo
oE
P0
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