The fan module is one of the most popular modules for obvious reasons. However, a few of you have reported that you’ve had the wires break off where they are connected to the fan module. Here’s a simple tip to help you avoid that.
See the slot where the wires are routed in this picture? It’s important to leave the wires in there, just like you see here. The solder joints where the wires attach to the fan are strong, but they aren’t designed to allow the wires to move. If you take the wires out of their slot, the wires can move at the solder joint and they’ll sometimes break. So, just make sure the wires are left the way you see them here, and you should be OK!
One more thing: if the wires do break on your fan, it’s not necessarily the end of the line. A skilled solderer with a fine-tipped iron should be able to strip the wire slightly and re-solder the wires to the pads without too much trouble – then you'll be back in business!