Troubleshooting
Mainly detect:
Is outdoor ambient temperature in normal range?
Are the outdoor and indoor fans operating normally?
Is the heat dissipation environment inside and outside the unit is good?
Overheat and high temperature protection
Is outdoor ambient temperature higher than 53?
N
20 minutes after the complete unit is powered off.
YNormal protection, please operate it after the outdoor ambient temperature is normalized.
Is heat dissipation of the indoor unit and outdoor unit abnormal?
N
Does the outdoor fan work normally?
Improve the heat
Y
dissipation environment of the unit
1.Check if the fan terminal O FAN is connected correctly
N2. Resistance between any two terminals is measure by an ohm gauge and should be less than 1K Ohm.
Y
Replace the fan capacitor C1
Replace the control panel
AP1
Replace the outdoor fan
End
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