1. The range hood won't open or doesn't work normally. This fault may be caused by an open switch circuit, motor damage, insufficient power supply or line fault.

2. The range hood is too noisy. This kind of fault may be caused by the wear of motor bearing, the broken or jammed wind wheel, the looseness of motor or the aging of sound insulation sealing strip.

3. The suction of the range hood is insufficient. This fault may be caused by the wrong direction of the exhaust duct, air leakage or dirty blockage of the exhaust duct, oil pollution blockage inside the hood body or insufficient motor power.

The range hood is very oily and difficult to clean. This failure may be caused by not cleaning the internal parts of the range hood in time or using an inappropriate cleaner.

The above are the common faults of kitchen range hoods in Hunan Province. We should first locate the fault according to the specific situation, and then take corresponding maintenance measures. At the same time, pay attention to the maintenance of the range hood to avoid failure.