1. Check the equipment every six months to make sure it is in the best working condition; check each connector for signs of corrosion and looseness.
2. inspect the fan every 3 months to remove any debris and debris from it.
3. During the warranty period, the proven product performance failure is caused by defects in materials or technology, we provide free maintenance services. This warranty does not apply to incorrect installation and application, accidents, use of the environment, storage, transport and other improper conditions.