BOOM LIFTING/LOWERING TROUBLESHOOTING - TM-10-3930-675-20-1

HYDRAULIC FILTER INDICATORS TROUBLESHOOTING - CONT - TM-10-3930-675-20-1_572

Table 1. Error Code 126 - Joystick-to-ECU (790) Failure Troubleshooting Procedures - Cont - TM-10-3930-675-20-1_574

TM-10-3930-675-20-1 Rough Terrain Container Handler (RTCH): RT 240; 53 000 Lb Capacity; 4x4 Manual
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TM 10-3930-675-20-1 0040 00-1 BOOM LIFTING/LOWERING TROUBLESHOOTING 0040 00 THIS WORK PACKAGE COVERS Error Code 126 - Joystick-to-ECU (790) Failure Error Code 130 - Overload Protection System Failure Error Code 151 - Lift Cylinder Locking Valve, Wiring Circuit Failure Error Code 152 - Lift Cylinder Locking Valve, Compo- nent Failure Error Code 154 - Lift Cylinder Boom Up Valve, Wiring Circuit Failure Error Code 155 - Lift Cylinder Boom Up Valve, Com- ponent Failure Error Code 157 - Lift Cylinder Boom Down Valve, Wir- ing Circuit Failure Error Code 158 - Lift Cylinder Boom Down Valve, Component Failure INITIAL SETUP References TM 10-3930-675-10 Current Supply (A34738.0200) (WP 0199 00-31) ECS Electrical Servo (A34648.0200) (WP 0199 00-5) NOTE • Refer to WP 0004 00 for additional troubleshooting guidance, information, and illustrations that locate critical components. • Refer also to illustrations at end of work package for component location. Table 1. Error Code 126 - Joystick-to-ECU (790) Failure Troubleshooting Procedures. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Error Code 126 - Joystick-to-ECU (790) Failure 1. Enter “DIAG SERVO 5 (13)” menu and check LIFT/ LOWER voltage. If voltage is out of range, perform the following steps: a. Remove ECU (790) cover from operator’s seat base and slide ECU mounting tray out (WP 0079 00). DIAG SERVO 5(13) LIFT/LOWER 5.00V BOOM IN/OUT 5.00V

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