Gree air duct machine installation did not receive verification code.

There may be the following reasons why Gree air duct machine installation did not receive the verification code:

1, mobile phone network is poor, no signal.

2. Interception software is installed on the mobile phone.

3. The mobile phone number is in arrears.

4. The mobile phone number is entered incorrectly.

Air conditioning is a kind of air conditioning. Refers to the equipment that manually adjusts and controls the temperature, humidity, flow rate and other parameters of ambient air in buildings or structures. Generally, it includes cold source/heat source equipment, cold and hot medium transmission and distribution system, terminal device and other auxiliary equipment. It mainly includes refrigeration host, water pump, fan and pipeline system. The terminal equipment is responsible for carefully handling the air state by using the cold heat from transmission and distribution, so that the air parameters of the target environment can meet certain requirements.