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T
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Note 3:Overload in cooling mode
overload in cooling mode
sr.
The root cause
1
The refrigerant is excessive
2
The outdoor ambient temperature is too high
The air outlet and air inlet of the outdoor unit is
3
short-circuit
4
The outdoor heat exchanger is dirty, such as condenser
5
The speed of the outdoor fan motor is too low
6
The outdoor fan is broken or the outdoor fan is blocked
7
The air inlet and outlet has been blocked
8
The expansion valve or the capillary is failure
Note 4:Over load in heating mode
sr.
The root cause
1
The refrigerant is excessive
2
The indoor ambient temperature is too high
The air outlet and air inlet of the indoor unit is
3
short-circuit
4
The indoor filter is dirty
5
The speed of the indoor fan motor is too low
6
The indoor fan is broken or the outdoor fan is blocked
7
The air inlet and outlet has been blocked
8
The expansion valve or the capillary is failure
O
T
I
N
G
O
T
I
N
G
Sheet 3 Overload in cooling mode
Sheet 4 Overload in heating mode
Overload in heating mode
Corrective measure
Discharge the refrigerant, and recharge the refrigerant refer
to the rating label
Please use within allowable temperature range
Adjust the installation of the outdoor unit refer to the user
manual
Clean the heat exchanger of the outdoor unit, such as
condenser
Check the outdoor fan motor and fan capacitor
Check the outdoor fan
Remove the blocked thing
Replace the expansion valve or the capillary
Corrective measure
Discharge the refrigerant, and recharge the refrigerant refer
to the rating label
Please use within allowable temperature range
Adjust the installation of the indoor unit refer to the user
manual
Clean the indoor filter
Check the indoor fan motor and fan capacitor
Check the indoor fan
Remove the blocked thing
Replace the expansion valve or the capillary
27
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