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N
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Overheat and high
temperature protection
Is outdoor ambient temperature higher than 53?
20 minutes after the complete
unit is powered off.
Is heat dissipation of the indoor unit
and outdoor unit abnormal?
Normal protection, please operate
it after the outdoor ambient temp
erature is normalized.
Improve the heat
dissipation environ
ment of the unit
Does the outdoor fan work normally?
1. Check if the fan terminal OFAN
is connected correctly
2. Resistance between any two
terminals is measure by an ohm
gauge and should be less than 1K
Ohm.
Replace the
control panel
AP1
Replace the fan
capacitor C1
Replace the
outdoor fan
