Common questions

What are the codes on a JD H series Dozer?

What are the codes on a JD H series Dozer?

My 550H just coded some similar numbers recently. When I try to turn left or right, the machine fights to stay straight. the codes it showed are F393, F321 & F392. we had a similar problem with a 550. ended up being a rubbed wire by one of the track motors.

What does the letter F mean on a H series Dozer?

The letter F indicates a fault has occured. The number 3 indicates it is a fault in the trnsmission area. The 3rd digit of 8 indicates a problem with B3, Right Track Motor Speed Sensor. The 3rd digit of 9 indicates a problem with B6, Hyd Pump Speed Sensor. The 4th digit of 3 indicates an open circuit, shorted circuit or no feedback is present.

What does the number 3 mean on a Hyd Dozer?

The number 3 indicates it is a fault in the trnsmission area. The 3rd digit of 8 indicates a problem with B3, Right Track Motor Speed Sensor. The 3rd digit of 9 indicates a problem with B6, Hyd Pump Speed Sensor. The 4th digit of 3 indicates an open circuit, shorted circuit or no feedback is present. Do not attempt calibration.

What is the Diagnostic Code on a John Deere?

If the third digit of the diagnostic trouble code number is (4), it indicates a problem with B5 Left and Right Steer Sensor. If the third digit of the diagnostic trouble code number is (5), it indicates a problem with B1 Decelerator Sensor.

My 550H just coded some similar numbers recently. When I try to turn left or right, the machine fights to stay straight. the codes it showed are F393, F321 & F392. we had a similar problem with a 550. ended up being a rubbed wire by one of the track motors.

The letter F indicates a fault has occured. The number 3 indicates it is a fault in the trnsmission area. The 3rd digit of 8 indicates a problem with B3, Right Track Motor Speed Sensor. The 3rd digit of 9 indicates a problem with B6, Hyd Pump Speed Sensor. The 4th digit of 3 indicates an open circuit, shorted circuit or no feedback is present.

The number 3 indicates it is a fault in the trnsmission area. The 3rd digit of 8 indicates a problem with B3, Right Track Motor Speed Sensor. The 3rd digit of 9 indicates a problem with B6, Hyd Pump Speed Sensor. The 4th digit of 3 indicates an open circuit, shorted circuit or no feedback is present. Do not attempt calibration.

If the third digit of the diagnostic trouble code number is (4), it indicates a problem with B5 Left and Right Steer Sensor. If the third digit of the diagnostic trouble code number is (5), it indicates a problem with B1 Decelerator Sensor.

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Ruth Doyle