Air conditioner, air conditioner indoor and outdoor unit communication circuit and fault detection method thereof
A communication circuit, internal and external unit technology, applied in space heating and ventilation, heating methods, mechanical equipment, etc., can solve problems affecting the normal operation of air conditioners, and achieve the effect of reducing unnecessary maintenance and saving maintenance costs
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[0028] The purpose of the present invention is to provide an air conditioner, an air conditioner internal and external unit communication circuit and a fault detection method thereof, which can effectively solve the problem that the internal and external unit communication failure caused by the failure of the internal and external unit connection lines affects the normal operation of the air conditioner.
[0029] In order to make the object, technical solution and effect of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0030] see figure 2 , the air conditioner internal and external unit communication circuit provided by the present invention includes a first communication module 100, a second communicat...
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