This guide provides step-by-step instructions to troubleshoot and fix the spool brake solenoid open circuit issue for the JCB JS140 excavator displaying trouble code C130C-13.
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Possible Causes:
- Faulty spool brake solenoid coil.
- Disconnected or damaged wire harness between the solenoid and the main harness.
Diagnosis Procedure:
- Measure the resistance of the spool lock solenoid coil using a multimeter. The resistance should be approximately 37Ω.
- Inspect the wiring connection between the spool lock solenoid and the machine’s main wire harness. Refer to the provided photo for the solenoid’s location.
Corrective Actions:
- Replace the solenoid coil if the resistance is out of specification or the coil is damaged.
- Replace or repair the wire harness if it is found to be disconnected, frayed, or damaged.
More topics for JCB machine,please refer to:JCB Machine Trouble Repair.