Blockage system does not recognize all sensors on Setup.
Stop machine. Turn fan off and perform blockage setup. (See Monitor Setup for Blockage section.)
Harnesses not connected.
Check harness connections.
Damaged modules or sensor wires.
See your John Deere dealer.
No blockage warning.
Verify blockage sensor setup. (See Monitor Setup for Blockage section.)
Verify each primary is correctly identified. (See Monitor Setup for Air Cart section.)
Single-shoot from two or more tanks.
If two tanks meter into one primary, sensors do not detect if flow stops from only one tank.
One or more secondaries are blocked.
Tank empty. Fill with seed.
Meter segment or product run blocked.
Clean meter segment or remove blockage from product run.
Sensors or header incorrectly identified with top or bottom primaries.
Correct the setup. (See Monitor Setup for Blockage section.)
No blockage found.
Perform blockage sensor test to determine if sensor is bad. (See Blockage Diagnostics section.)
Increase sensor sensitivity. (See Monitor Setup for Blockage section.)
Inspect sensor for internal wear. Replace if damaged.
Blockage warning with no seed flow.
Lower sensor sensitivity - higher seeds per second. (See Monitor Setup for Blockage section.)
LD45720,0000631-19-20120504