80
GBGB
9. ANOMALIES AND FUNCTIONING
Cause Corrective Action
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 outdoor ambient temperature is too high
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
Nota 4: Overload in heating mode
Warning!
Switch off the air conditioner with the remote control. Before carrying out any work on the units, make sure that the general power supply has
been removed.
Cause Corrective Action
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 1:
When the indoor unit does not turn on, or the indoor unit turns itself off after 30 seconds, it cannot display the error code. Check the connection of the
control board.
Note 2:
If the indoor unit displays the error code 75,76,77,78 after turning on the unit, check that there is no short circuit.
Note 3:
Overload in cooling mode
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