Calibration Error Codes

Error Code Description # Adjustment/Correction
ER02 No head connected or invalid header type. 1 Connect the combine harness to the head
    2 Check pins in header to feeder house harness connector. Certain pins need to be 12 volts for the combine to recognize the head. See your John Deere dealer.
ER21 CONTOUR MASTER angle sensor voltage less than 0.5 VDC. 1 See your John Deere dealer.
ER22 CONTOUR MASTER angle sensor greater than 4.5 VDC. 1 See your John Deere dealer.
ER23 CONTOUR MASTER angle sensor voltage noisy or changing in an incorrect direction. 1 See your John Deere dealer.
ER24 CONTOUR MASTER angle sensor voltage range less than 2.0 VDC. 1 See your John Deere dealer.
ER25 CONTOUR MASTER angle sensor "left" voltage range greater than 2.5 VDC. 1 See your John Deere dealer.
ER26 CONTOUR MASTER angle sensor "right" voltage range greater than 2.5 VDC. 1 See your John Deere dealer.
ER27 CONTOUR MASTER angle sensor "center" voltage range is not within 0.75 VDC of mid-range. 1 See your John Deere dealer.
ER71 Left height position sensor voltage less than 0.5 VDC. 1 Check that the wiring harness is plugged into the left-hand sensor.
    2 Inspect the left-hand sensor arm and linkage for damage. Repair as needed.
    3 Adjust the linkage on the left-hand sensor to increase the voltage. Move the linkage up one hole on the sensor arm.
    4 Check the left-hand sensor and replace if needed. See your John Deere dealer.
ER72 Left height position sensor voltage greater than 4.5 VDC. 1 Inspect the left-hand sensor arm and linkage for damage. Repair as needed.
    2 Adjust the linkage on the left-hand sensor to decrease the voltage. Move the linkage down one hole on the sensor arm.
    3 Check the left-hand sensor and replace if needed. See your John Deere dealer.
ER73 Left-hand position sensor voltage noisy or changing in an incorrect direction. 1 Inspect the left-hand sensor arm and linkage for damage. Repair as needed.

 

AG,OUO1035,601 -19-07MAY99-1/5

Error Code Description # Adjustment/Correction
    2 Check wiring harness to the left-hand sensor. See your John Deere dealer.
    3 Check the left-hand sensor and replace if needed. See your John Deere dealer.
ER74 Left height position sensor voltage range less than 2.0 VDC. (1.5 VDC for flex platforms). 1 Check that the left-hand side of the flex cutter bar is falling to it's lowest position in the float range with the head up. If it is hanging up check the float spring adjustment. The bolt length should be 185-215 mm (7-8 in.). If cutter bar is still hanging up adjust the spring by increasing the bolt length 15 mm (1/2 in.). Do not adjust the spring bolt out any further than 245 mm (10 in.). If still hanging up check other adjustments and corrections.
    2 Check the left-hand area of the flex cutter bar mechanism and the stabilizer for binding or interference.
    3 Inspect the left-hand sensor arm and linkage for damage. Repair as needed.
    4 Adjust the left-hand height sensor to increase voltage. Move the linkage rearward one hole on the sensor arm.
    5 Check the left-hand sensor and replace if needed. See your John Deere dealer.
ER75 Left height position sensor "lowered" voltage greater than 2.5 VDC. 1 Inspect the left-hand sensor arm and linkage for damage. Repair as needed.
    2 Adjust the linkage on the left-hand sensor to decrease the voltage. Move the linkage down one hole on the sensor arm.
    3 Check the left-hand sensor and replace if needed. See your John Deere dealer.
ER76 Left height position sensor "raised" voltage less than 2.5 VDC. 1 Check that the left-hand side of the flex cutter bar is falling to it's lowest position in the float range with the head up. If it is hanging up check the float spring adjustment. The bolt length should be 185-215 mm (7-8 in.). If cutter bar is still hanging up adjust the spring by increasing the bolt length 15 mm (1/2 in.). Do not adjust the spring bolt out any further than 245 mm (10 in.). If still hanging up check other adjustments and corrections.
    2 Check the left-hand area of the flex cutter bar mechanism and the stabilizer for binding or interference.
    3 Inspect the left-hand sensor arm and linkage for damage. Repair as needed.
    4 Adjust the linkage on the left-hand sensor to increase the voltage. Move the linkage up one hole on the sensor arm.
    5 Check the left-hand sensor and replace if needed. See your John Deere dealer.
ER77 Left and right height sensor not stopping at same feeder house position. 1 Inspect the left and right-hand sensor arms and linkages for damage. Repair as needed.

 

AG,OUO1035,601 -19-07MAY99-2/5

Error Code Description # Adjustment/Correction
    2 Check the left- and right-hand sensors and replace if needed. See your John Deere dealer.
ER81 Right height position sensor voltage less than 0.5 VDC. 1 Check and make sure the wiring harness is completely plugged into the right-hand sensor.
    2 Inspect the right-hand sensor for damage. Repair as needed.
    3 Adjust the linkage on the right-hand sensor to increase the voltage. Move the linkage up one hole on the sensor arm.
    4 Check the right-hand sensor and replace if needed. See your John Deere dealer.
ER82 Right height position sensor voltage greater than 4.5 VDC. 1 Inspect the right-hand sensor for damage. Repair as needed.
    2 Adjust the linkage on the right-hand sensor to decrease the voltage. Move the linkage down one hole in the sensor arm.
    3 Check the right-hand sensor and replace if needed. See your John Deere dealer.
ER83 Right height position sensor voltage noisy or changing in an incorrect direction. 1 Inspect the right-hand sensor for damage. Repair as needed.
    2 Check wiring harness to right-hand sensor. See your John Deere dealer.
    3 Check the right-hand sensor and replace if needed. See your John Deere dealer.
ER84 Right height sensor voltage range less than 2.0 VDC. (1.5 VDC for flax platforms). 1 Check that the right-hand section of the flex cutter is not hanging up when the head is in the far up position.
    2 Inspect the right-hand sensor for damage. Repair as needed.
    3 Adjust the right-hand sensor to increase the voltage. Move the linkage rearward one hole on the sensor arm.
    4 Check the right-hand sensor and replace if needed. See your John Deere dealer.
ER85 Right height sensor "lowered" voltage greater than 2.5 VDC. 1 Adjust the linkage on the right-hand sensor to decrease the voltage. Move the linkage down one hole on the sensor arm.
    2 Inspect the right-hand sensor for damage. Repair as needed.
ER86 Right height sensor "raised" voltage less than 2.5 VDC. 1 Check that the right-hand section of the flex cutter is not hanging up when the head is in the far up position.
    2 Inspect the right-hand sensor arm and linkage for damage or movement. Repair as needed.
    3 Adjust the linkage on the right-hand sensor to increase voltage. Move the linkage up one hole on the sensor arm.
    4 Check the right-hand sensor and replace if needed. See your John Deere dealer.

 

AG,OUO1035,601 -19-07MAY99-3/5

Error Code Description # Adjustment/Correction
ER91 Flex header height position sensor voltage less than 0.5 VDC. 1 Check and make sure the wiring harness is completely plugged into the center sensor.
    2 Inspect the right-hand sensor arm and linkage for damage or movement. Repair as needed.
    3 Adjust the on the flex height sensor to increase the voltage. Move the end of the linkage in the arm on the flex sensor shaft forward. If the linkage is already all the way forward, check other adjustments or corrections. If moving the linkage one hole causes the re-calibration to fail due to high voltage, increase the linkage length by 5 mm (5 turns).
    4 Check the flex height sensor and replace if needed. See your John Deere dealer.
ER92 Center header height position sensor voltage greater than 4.5 VDC. 1 Inspect the right-hand sensor arm and linkage for damage or movement. Repair as needed.
    2 Check that the flex sensor shaft is not hanging up. Most of the paddles on the sensor shaft must be contacting the float arms with the cutter bar in the lowest position. Inspect for damaged or binding parts. Repair as needed.
    3 Check the return spring on the flex sensor shaft on the left-hand side of the platform. Replace if damaged.
    4 Adjust the on the flex height sensor to decrease the voltage. Move the end of the linkage in the arm on the flex sensor shaft rearward. If linkage is already all the way rearward, check other adjustments or corrections. If moving the linkage one hole causes the re-calibration to fail due to low voltage, move the linkage back to original hole (forward one hole) and increase the linkage length by 5 mm (5 turns).
    5 Check the flex height sensor and replace if needed. See your John Deere dealer.
ER93 Flex header height position sensor voltage noisy or changing in an incorrect direction 1 Inspect the flex height sensor arm and linkage for damage or movement. Repair as needed.
    2 Check wiring harness to flex height sensor. See your John Deere dealer.
    3 Check the flex height sensor and replace if needed. See your John Deere dealer.
ER94 Flex header height position sensor voltage range less than 2.0 VDC. (1.5 VDC for flex platforms). 1 Inspect the flex height sensor arm and linkage for damage or movement. Repair as needed.
    2 Check that the flex sensor shaft is not hanging up. Most of the paddles on the sensor shaft must be contacting the float arms with the cutter bar in the lowest position. Inspect for damaged or binding parts. Repair as needed.

 

AG,OUO1035,601 -19-07MAY99-4/5

Error Code Description # Adjustment/Correction
    3 Check the return spring on the flex sensor shaft on the left side of the platform. Replace if stretched to damaged.
    4 Check the flex height sensor and replace if needed. See your John Deere dealer.
ER95 Flex header height position sensor "lowered" voltage greater than 2.5 VDC. 1 Adjust the on the flex height sensor to decrease the voltage. Move the end of the linkage in the arm on the flex sensor shaft rearward. If linkage is already all the way rearward, check other adjustments or corrections. If moving the linkage one hole causes the re-calibration to fail due to low voltage, move the linkage back to the original hole (forward one hole) and increase the linkage length by 5 mm (5 turns).
    2 Inspect the flex height sensor arm and linkage for damage or movement. Repair as needed.
    3 Check the flex height sensor and replace if needed. See your John Deere dealer.
ER96 Flex header height position sensor "raised" voltage less than 2.5 VDC. 1 Inspect the flex height sensor arm and linkage for damage or movement. Repair as needed.
    2 Check that the flex sensor shaft is not hanging up. Most of the paddles on the sensor shaft must be contacting the float arms with the cutter bar in the lowest position. Inspect for damaged or binding parts. Repair as needed.
    3 Check the return spring on the flex sensor shaft on the left side of the platform. Replace if stretched or damaged.
    4 Adjust the on the flex height sensor to increase the voltage. Move the end of the linkage in the arm on the flex sensor shaft forward. If linkage is already all the way forward, check other adjustments or corrections. If moving the linkage one hole causes the re-calibration to fail due to high voltage, increase the linkage length by 5 mm (5 turns).
    5 Check the flex height sensor and replace if needed. See your John Deere dealer.

 

AG,OUO1035,601 -19-07MAY99-5/5