Section 5TroubleshootingMN715J Troubleshooting 5-1The Baldor Series 15J Control requires very little maintenance, if any, andshould provide years of trouble free operation when installed and appliedcorrectly.Occasional visual inspection and cleaning should be considered to ensuretight wiring connections and to remove dust, dirt, or foreign debris which canreduce heat dissipation.Operational failures called faults are displayed on the keypad display as theyoccur. A comprehensive list of these faults and their meaning is provided inthis section. The procedure to access the fault log and diagnostic informationis also provided.Before consulting the factory, check that all power and control wiring is correctand installed per the recommendations given in this manual.No Keypad Display - Display Contrast AdjustmentAt power up, the display could be blank if the contrast is improperly set. Thefollowing procedure is used to adjust the display contrast. Be sure keypad isplugged into the keypad connector on the main control board.Action Description DisplayApply Power No visible displayPress DISP Key Places control in display modePress SHIFT SHIFT Allows display contrast adjustmentPress or Key Adjusts display intensityPress ENTER Saves level of contrast and exits todisplay mode
