"24V DC Cooling Fan" centrifugal fans everywhere, although in life, but as a more complex structure of the device, in case of failure, many users will do nothing, because the centrifugal fan models have a lot, so the failure also varies and if you want to solve a variety of failures centrifugal fan, so "24V DC Cooling Fan" centrifugal fans use to achieve the best state, but also need to start from the fan commissioning work, so fans can solve some fault to a certain extent issues to ensure effective use of the fan. Centrifugal fan with or without fault, first make sure the fan is the right way to start, because the "24V DC Cooling Fan" centrifugal fan startup mode mainly full pressure start up and step-down, no matter what kind of start-up mode selection, should Note the size of the current.