A.Temperature and humidity sensor cannot detect temperature and humidity

B.Water leakage at the bottom of the equipment

C.Equipment drainage capacity is significantly reduced

D.The return air temperature or fan speed fluctuates greatly

A.FALSE

B.TRUE

A.False

B.True

A.3

B.2

C.1

D.4

A.Disposal

B.Need to supplement the electricity treatment, use as soon as possible

C.Need activation treatment, use as soon as possible

D.No need to deal with, use as soon as possible