596450X Speed error of LowerTransportation 4 Motor.Notes jam on thetransportation for LowerTransportation 4 Motor.Pulse motor rotation sensor for Lower Transportation 1 Motor (S057) doesnot change although it is rotated by the predetermined step during rotatingLower Transportation 1 Motor (SM004) at constant speed.(Rotation speed of Transportation Motor is too slow, compared to thespecified speed.)Or, jams occurs on the Transportation path by driving Lower Transportation1 Motor (SM004).X : indicates the rotation direction and deceleration/acceleration ofTransportation motor when failure occurs.1 Remaining notes / Jam596450X X: 21 = (0: Deceleration 1: Acceleration) 2 Tension failure of Motor timing belt596450X X: 20 = (0: Forward 1: Backward) 2 Failure of Motor timing belt596450X 2 Failure of Joint gear596450X 3 S057 soil / failure596450X 3 Cable check between Sensor and Board (Connector Imperfect insertion,Short circuit, Disconnection)596450X 4 SM004 Motor failure596450X 5 Cable check between Motor and Board (Connector Imperfect insertion,Short circuit, Disconnection)596450X 6 CE board (RX801) failure596450X 7 LT unit failure596450X 8 Cable check (Connector pulled out, Connector Imperfect insertion, Shortcircuit, Disconnection)596450X 8 DC/DC converter failure596450X 8 Power supply failure5964AXX Lower Transportation 4