The GIF is encoded poorly or improperly.There is a limit of 20MB at a resolution of 250x250 pixels for a GIF, if you are over that size, the GIF will not load up at all.If the GIF is not loading on the cooler it would be for one of the following reasons:
In the event that you upload a GIF to your CAM software for your Z cooler, and the GIF does not load, this could potentially be a problem with the GIF that is being used.