Code Name Causes Possible Solutions LT-3 SoftChargeBypassRelay MainteTime The soft charge bypass relay is at 90% of its expected performance life. Replace the board or the drive. For information about replacing the control board, contact Yaskawa or your nearest sales representative. Note: When the estimated performance life is expired, the terminal assigned to H2-01 to H2-03 = 2F [MFDO Function Select = Maintenance Notification] will be ON.