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On RUN page, weight is incorrectly accumulated
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No calibration was done
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Perform a yield calibration
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Yield is not displayed
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Speed sensor out of adjustment
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Adjust speed sensor (see "Adjusting Feed Roll Speed Sensor")
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Yield is constantly too high or too low
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System is out of calibration
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Perform a yield calibration.
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Incorrect header width
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Change header width.
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Incorrect crop selection
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Change crop selected.
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Yield is zero
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No ground speed
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See your John Deere dealer.
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Mass-flow sensor unplugged
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Plug mass-flow sensor in.
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Yield is not saved when RECORDING is OFF
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Feed roll speed is below minimum allowed speed
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Check machine engine speed. Check sensor adjustment.
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Sensor header up/down does not work
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Check adjustment and harness. Contact your John Deere dealer.
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Yield is not saved (in maize)
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Despite the header lowered, no yield data are saved
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Lower header furthermore or select RECORDING IS status by MATERIAL.
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Yield is calculated while no material flows with RECORDING is ON status (in Maize)
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Header not fully raised at end of row
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Fully raise header at end of row.
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Yield is recorded without mass flow when RECORDING is ON
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Feed rolls do not contact stop plates
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Remove all crop accumulation around feed roll bearings.
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Yield is not saved (in grass)
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Windrow is too weak or too light
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Try to drive faster.
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Select RECORDING IS status by HEADER.
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