John Deere E212 – BaleTrak Pro: Net Actuator Faulty

The monitor-controller has detected a malfunction with the net wrap actuator, which is the electric linear actuator responsible for moving the net wrap knife arm. This fault can occur if the actuator is disconnected, jammed, experiencing an internal electrical failure, drawing an abnormal amount of current, or if the system registers a timeout error during the net wrap cycle.

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1. 1

   Visually inspect the net wrap actuator, knife arm linkage, and wiring harness for any visible obstructions, binding, or damage.

2. 2

   Check the wire harness connector at the actuator to ensure it is securely fastened and inspect for corrosion or backed-out pins.

3. 3

   Perform a monitor-controller voltage test (e.g., using Channel 19). A loaded supply voltage reading below 9.7 volts indicates a problem with the tractor's power supply or the baler's wiring.

4. 4

   Perform an actuator current draw test using diagnostic Channel 018. Mid-stroke (no load) current should be between 1 and 8 amps; readings below this suggest low voltage/poor connections, while readings above suggest binding linkage or a partially shorted motor.

5. 5

   Check the 'stall' current reading (when fully retracted) on Channel 018. It should be between 22 and 30 amps. Abnormal readings here point to bad connections or internal motor faults.

1. 1

   Prepare machine for service

   Park the baler on level ground, disengage the PTO, shut off the tractor, and remove the key.

2. 2

   Access and disconnect actuator

   Open the actuator door or necessary shields to gain access. Disconnect the wire harness from the actuator motor.

3. 3

   Remove faulty actuator

   Remove the cotter pins and then the main pins at the base and rod end to free the actuator from its mounting supports and the knife arm link.

4. 4

   Install new actuator

   Position the new actuator with the motor down. Install the base end onto the support using the crowned pin, washers, and a new cotter pin. Install the link over the rod end and secure it with its pin and a new cotter pin. Reconnect the wire harness and secure the connector with a tie strap.

5. 5

   Perform post-installation check

   Turn the tractor key to the ON position (do not start the engine) and turn on the monitor-controller. Crucially, press the WRAP key to return the counterknife arms to their home position to prevent continuous net feeding on the next bale. Turn the monitor off to clear any resulting STOP alarm.

6. 6

   Cycle the new actuator

   Use the diagnostic channel (e.g., Channel 18) to cycle the new actuator, ensuring it extends and retracts fully without binding.