control Board Fuse replacementControl board fuses are located on the control board. (SeeFigure 3.) The internal fuses on the Model 505 are for controlboard functions only.The power fuses are located in the power entry module.Instructions for power fuse replacement can be found in thePower Fuse Replacement section.Tools/EquipmentPhillips-head screwdriverMethodDisconnect the warming unit from the power source.1.Turn the Model 505 unit over, so that the bottom panel is2.facing up.Using the Phillips-head screwdriver, remove the screw from3.each of the 2 front feet (bumpers) and remove the feet.Remove the Phillips-head screw from the center of the4.upper rear panel.Remove the 2 Phillips-head screws located under the bed5.hooks on the upper rear panel. Turn the unit right side up.Lift the top cover and unhook the front of the top cover6.from the retainer bracket inside. The control panel islocated on the underside of the top cover. See Figure 3 forlocation of the fuse.Remove the fuse and replace with the new one.7.CAUTION: Replace only with the fuse capacity and type that isindicated on the adjacent label.Bair Hugger Model 505 Service Manual 7