2
2
.
.
T
T
R
R
O
O
U
U
B
B
L
L
E
E
S
S
H
H
O
O
O
O
T
T
I
I
N
N
G
G
Note 3:Overload in cooling mode
overload in cooling mode
sr. The root cause Corrective measure
1 The refrigerant is excessive
Discharge the refrigerant, and recharge the refrigerant refer
to the rating label
2 The outdoor ambient temperature is too high Please use within allowable temperature range
3
The air outlet and air inlet of the outdoor unit is
short-circuit
Adjust the installation of the outdoor unit refer to the user
manual
4 The outdoor heat exchanger is dirty, such as condenser
Clean the heat exchanger of the outdoor unit, such as
condenser
5 The speed of the outdoor fan motor is too low Check the outdoor fan motor and fan capacitor
6 The outdoor fan is broken or the outdoor fan is blocked Check the outdoor fan
7 The air inlet and outlet has been blocked Remove the blocked thing
8 The expansion valve or the capillary is failure Replace the expansion valve or the capillary
Note 4:Over load in heating mode
Overload in heating mode
sr. The root cause Corrective measure
1 The refrigerant is excessive
Discharge the refrigerant, and recharge the refrigerant refer
to the rating label
2 The indoor ambient temperature is too high Please use within allowable temperature range
3
The air outlet and air inlet of the indoor unit is
short-circuit
Adjust the installation of the indoor unit refer to the user
manual
4 The indoor filter is dirty Clean the indoor filter
5 The speed of the indoor fan motor is too low Check the indoor fan motor and fan capacitor
6 The indoor fan is broken or the outdoor fan is blocked Check the indoor fan
7 The air inlet and outlet has been blocked Remove the blocked thing
8 The expansion valve or the capillary is failure Replace the expansion valve or the capillary
Sheet 3 Overload in cooling mode
Sheet 4 Overload in heating mode
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