Plug in connection.

Monitor-controller was hooked up with reverse polarity.

Check polarity of 12 V power supply.

Replace actuator. (See your John Deere dealer or qualified service provider.)

Inspect wire harness and repair or replace.

Twine arm wedged against back side of knife.

Use monitor-controller RETRACT key and retract twine arm. Clean and lubricate the knife pivot.

Replace actuator. (See your John Deere dealer or qualified service provider.)

Inspect wire harness and repair or replace.

Twine arm wedged against back side of knife.

Use monitor-controller RETRACT key and retract twine arm. Clean and lubricate the knife pivot.

Inspect and remove blockage.

Check actuator connectors.

Wiring is loose or cut.

Check wire harness connector for breaks.

Replace switch. (See your John Deere dealer or qualified service provider.)

Incorrect gate latch switch adjustment.

Adjust gate latch switches. (See procedure in Service—Baler section.)

Gate not closed and does not activate one gate switch.

Remove hay buildup from gate area.

Operate baler at tractor rated PTO speed when closing the gate.

Released selective control valve too soon after closing gate.

Continue to hold selective control valve 2 seconds after gate closes.

Gate twisted and does not close.

See your John Deere dealer or qualified service provider.

Change monitor-controller setting. (See Change Baler Model Program in Operating Baler - BaleTrak™ Pro or Plus Monitor System section.)

Inspect wire harness. Repair or replace.

Adjust mechanical twine guide. (See Set Twine Spacing in Operating the Baler section.)

Adjust mechanical twine guide. (See Set Twine Spacing in Operating the Baler section.)

Not operating at tractor rated PTO speed.

Operate at rated PTO speed or at a consistent speed. A constant speed less than rated PTO speed requires a different monitor-controller setting.

Inspect and remove blockage or adjust compressor rods. (See Adjust Compressor Rack [Regular Pickup] in Service—Baler section.)

Incorrect monitor-controller settings.

Reset to factory initial settings. (See procedures in Operating the Baler section.)

Not operating at tractor rated PTO speed.

Operate at rated PTO speed or at a consistent speed. A constant speed less than rated PTO speed requires a different monitor-controller setting.

Slip clutch alert turned off. (Not used on 450M and 550M Baler with a Regular pickup)

Slip clutch alert controls the twine spacing independent of tractor PTO speed. (See Operating the Baler section.)

Distance between twine arms incorrect for monitor-controller setting.

Set twine arm spacing for monitor-controller setting. (See Set Twine Spacing in Operating the Baler section.)

Inspect wire harness. Repair or replace.

Adjust brake. (See Adjust Net Wrap Stretch in Service—Net Wrap section.)

Sharpen net wrap cut-off knife. (See procedure in Service—Net Wrap section.)

Incorrect net wrap switch adjustment.

Adjust switch. (See procedure in Service—Net Wrap section.)

Net wrap switch actuator lever not free to rotate.

Check actuator lever for obstruction or corrosion in hinged area.

Operate at rated PTO speed or a consistent speed. A constant speed less than rated PTO speed requires a different monitor-controller setting.

Slip clutch alert turned off. (Not used on 450M and 550M Baler with a Regular pickup)

Slip clutch alert controls the twine spacing independent of tractor PTO speed. (See Operating the Baler section.)

Incorrect bale diameter sensor adjustment.

Adjust sensor. (See Adjust Bale Diameter Sensor in Operating the Baler section.)

See Interpret Bale Shape Indicators in Operating the Baler section.

Incorrect bale shape bar and sensor adjustments.

Adjust bale shape bar display and bale shape sensors. (See procedures in Service—Baler section.)

Bale shape sensors failed.

Replace sensors. (See procedure in Service—Baler section.)

Broken bale shape sensor arm spring.

Replace spring.

Adjust bale diameter sensor. (See procedure in Service—Baler section.)

Bale diameter sensor failed.

Replace sensor. (See procedure in Service—Baler section.)

Tension arm twisted from baling with the gate lock lever in the LOCKED position.

Replace tension arm. (See your John Deere Dealer or qualified service provider.) (See Check Gate Lock Valve Interlock Lever Adjustment in Preparing Baler section.)

Replace the sensor. (See procedure in Service—Baler section.)

Turn off the variable core.

Variable core set for too large of diameter.

Reduce the variable core diameter setting or turn off feature.

Variable core solenoid failed.

Replace the solenoid. (See your John Deere dealer or qualified service provider.)

Bale diameter sensor failed.

Replace the sensor. (See procedure in Service—Baler section.)

Incorrect bale diameter sensor adjustment.

Adjust the bale diameter sensor. (See procedure in Service—Baler section.)

Adjust switches. (See Test Gate Closed and Oversize Bale Switches—Monitor-Controller Assisted Test [Channel 013 and 014] in Operating the Baler.)

Defective gate latch switches.

Replace switches. (See your John Deere dealer or qualified service provider.)

Unlock gate.

Gate not fully closed due to an obstruction or twisted condition.

Remove obstruction or straighten gate.

Belts pinched between the lower gate roll and the axle tube.

Raise gate fully and close gate at full tractor rpm. If the tractor has low hydraulic flow, install orifice. (See your John Deere dealer or qualified service provider.)

Operate PTO while closing.

Adjust upper tension (takeup) arm cylinder. (See Adjust Upper Tension (Takeup) Arm Cylinder in Service—Baler section.)

Adjust gate latch stop. (See procedure in Service—Baler section.)

Gate latch switches not adjusted properly.

Adjust the gate latch switches. (See procedure in Service—Baler section.)

Tractor selector control valve (SCV) leaking oil to the gate hydraulic cylinder.

Repair the tractor selector control valve (SCV). (See your John Deere dealer or qualified service provider.)

Gate latch hooks yielded.

Replace hooks and adjust gate latch. (See Test Gate Closed and Oversize Bale Switches—Monitor-Controller Assisted Test [Channel 013 and 014] in Operating the Baler section.)

Air in the hydraulic system.

Open and close the gate several times to remove air.

Internal leak in the gate hydraulic cylinder.

Repair or replace the cylinder. (See your John Deere dealer or qualified service provider.)

Hydraulic cylinder not retracted when the gate is closed.

Hold the tractor SCV lever 2—3 seconds after GATE CLOSED indicator is displayed.

Hold the tractor SCV lever 2—3 seconds after GATE CLOSED indicator is displayed to make sure that both sides are latched.

Repair or adjust latch stop. (See Adjust Gate Latch Stop in Service—Baler section.)

Gate latch switches not adjusted properly.

Adjust the gate latch switches. (See procedure in Service—Baler section.)

Defective gate latch switches.

Check the gate latch switches. (See Test Gate Latch and Oversize Bale Switches in Service—Baler section.) Replace if necessary. (See your John Deere dealer.)

Poor connections or broken wires to the gate latch switches.

Test wires for continuity. Repair as necessary.

Oversize bale switch out of adjustment.

Adjust the oversize bale switch. (See procedure in Service—Baler section.)

Shorted wires to the oversize bale switch.

Test wire for shorts. Repair as necessary.

Adjust the gate latch switches. (See procedure in Service—Baler section.)

Defective gate latch switches.

Check the gate latch switches. (See Test Gate Closed and Oversize Bale Switches—Monitor-Controller Assisted Test [Channel 013 and 014] in Operating the Baler section.) Replace if necessary. (See your John Deere dealer or qualified service provider.)

Crop buildup in the latch area restricting hook engagement.

Remove the buildup.

Shorted wires to the gate latch switches.

Test wires for shorts. Repair as necessary.

Review Interpret Bale Shape Indicators in Operating the Baler section.

Bale shape sensors not adjusted properly.

Adjust the bale shape sensors. (See procedure in Service—Baler section.)

Defective bale shape sensors.

Replace the bale shape sensors. (See procedure in Service—Baler section.)

Broken wires between monitor-controller and bale shape sensors or poor connection at the harness connectors.

Check continuity. Repair wires or connections as necessary.

Faulty display.

Test display. (See Test Lighted Crystal Display (LCD) in Service—Baler section.)

Check the voltage. (See Check Tractor Voltage in Service—Baler section.)

Check that both gate latch switches are functioning properly. (See Test Gate Closed and Oversize Bale Switches—Monitor-Controller Assisted Test [Channel 013 and 014] in Operating the Baler section.)

Tension arm twisted from baling with the gate lock lever in LOCKED position.

Replace the tension arm. (See your John Deere Dealer.) (See Check Gate Lock Valve Interlock Lever Adjustment in Preparing Baler section.)

Tension must go low enough to trigger next automatic wrap cycle.

Check that belts are correct length. Adjust or replace the baler size sensor.

Check polarity of 12 V power supply.

Intermittent voltage loss due to loose connectors.

Disconnect and inspect connectors for bent or pushed back terminals.

Intermittent connection in wire harness due to broken or frayed wire.

Inspect wire harness and repair or replace.

Check actuator connectors.

Wiring is loose or cut.

Check wire harness connector for breaks.

Check wire harness for breaks and check connectors for pushed back pins.

See your John Deere dealer or qualified service provider.

Replace the actuator. (See your John Deere dealer or qualified service provider.)

Inspect wire harness and repair or replace.

Twine arm wedged against the front side of the knife.

Use monitor-controller RETRACT key to retract twine arm. Clean and lubricate the knife pivot.

Inspect and remove blockage.

Replace switches. See your John Deere dealer or qualified service provider.

Incorrect gate latch switch adjustment.

Adjust the gate latch switches. (See procedure in Service—Baler section.)

Gate not closed and does not activate one gate switch.

Remove hay buildup from the gate area.

Operate baler at tractor rated PTO speed when closing the gate.

Released selective control valve too soon after closing gate.

Continue to hold selective control valve 2 seconds after gate closes.

Gate twisted and does not close.

See your John Deere dealer or qualified service provider.

Change the monitor-controller setting. (See Change Baler Model Program in Operating the Baler section.)

Inspect the wire harness. Repair or replace.

Adjust mechanical twine guide. (See Set Twine Spacing and Set Twine End Wrap Distance in Operating the Baler section.)

Adjust the bale diameter sensor. (See procedure in Service—Baler section.)

Not operating at the tractor rated PTO speed. (without slip clutch alert)

Operate at rated PTO speed or at a consistent speed. A constant speed less than rated PTO speed requires a different monitor-controller setting.

Slip clutch alert turned off. (Not used on 450M and 550M Baler with a Regular pickup)

Slip clutch alert controls the twine spacing independent of tractor PTO speed. (See Operating the Baler section.)

Reset to factory initial settings and check baler model number. (See Reset BaleTrak™ Pro to Initial Factory Settings and Change Baler Model Program in Operating the Baler section.)

Not operating at the tractor rated PTO speed. (without slip clutch alert)

Operate at rated PTO speed or at a consistent speed. A constant speed less than rated PTO speed requires a different monitor-controller setting.

Slip clutch alert turned off. (Not used on 450M and 550M Baler with a Regular pickup)

Slip clutch alert controls the twine spacing independent of tractor PTO speed. (See Operating the Baler section.)

Distance between the twine arms incorrect for monitor-controller setting.

Set twine arm spacing for monitor-controller setting. (See Set Twine Spacing in Operating the Baler section.)

Inspect wire harness. Repair or replace.

Operate at rated PTO speed or a consistent speed. A constant speed less than rated PTO speed requires a different monitor-controller setting.

Slip clutch alert turned off. (Not used on 450M and 550M Baler with a Regular pickup)

Slip clutch alert controls the twine spacing independent of tractor PTO speed. (See Operating the Baler section.)

Incorrect bale diameter sensor adjustment.

Adjust sensor. (See Optional Variable Core Feature in Operating the Baler section.)

Check wire harness for breaks and check connectors for pushed back pins.

See Test Twine Wrap Actuator Current (Channel 018) in Service section.

See Testing Tractor Convenience Outlet Voltage (Channel 019) in Service Baler section

Adjust knife and brake. (See Check Net Wrap Knife Arm Brake in Service—Net Wrap section.)

Sharpen knife. (See Sharpen Net Wrap Cutoff Knife in Service—Net Wrap section.)

Adjust knife to the rubber flap. (See Adjust Net Wrap Knife Arm Stop in Service—Net Wrap section.)

Incorrect net wrap switch adjustment. (E401)

Adjust the net wrap switch. (See procedure in Service—Net Wrap section.)

Net wrap switch actuator lever not free to rotate.

Check actuator lever for obstruction or corrosion in hinged area.

Operate at rated PTO speed or a consistent speed. A constant speed less than rated PTO speed requires a different monitor-controller setting.

Slip clutch alert turned off. (Not used on 450M and 550M Baler with a Regular pickup)

Slip clutch alert controls the twine spacing independent of tractor PTO speed. (See Operating the Baler section.)

Incorrect bale diameter sensor adjustment.

Adjust sensor. (See Optional Variable Core Feature in Operating the Baler section.)

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