3121
New Holland 3121 – Engine: PTO Twist Sensor - Open Circuit
Issue description
The fault code indicates an open circuit in the PTO Twist Sensor. This suggests a break or disconnection in the wiring or connection to the sensor, preventing proper signal transmission.
Check the cause
Wiring connections to the PTO Twist Sensor
Cable integrity between the PTO Twist Sensor and the controller
Sensor mounting and physical condition
Repair steps
Inspect
Check the wiring connections at the PTO Twist Sensor for looseness, corrosion, or damage.
Test
Use a multimeter to test for continuity in the wiring between the PTO Twist Sensor and the controller.
Secure
Ensure the PTO Twist Sensor is properly mounted and secured to the equipment.
Parts you might need
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