E-Cut Hybrid System Diagnostic Codes

If

Check

Code 1-5 (One pulse followed by a short pause followed by five pulses.) Indicates motor failed to start.

Jammed reels.

Tight reel to bedknife clearance.

Failed bearings.

Code 1-6 (One pulse followed by a short pause followed by six pulses.) Indicates motor stalled while running.

Jammed reels.

Bedknife to reel adjusted too tight.

Failed bearings.

Code 1-7 or 1-8 (One pulse followed by a short pause followed by seven or eight pulses.) Indicates low alternator voltage.

Engine RPM too low.

Low or no voltage output from alternator.

Poor connections on alternator or alternator harness.

Alternator belt slippage.

Alternator malfunction.

Excessive reel load from items mentioned in Code 1-6.

Code 1-10 (One pulse followed by a short pause followed by ten pulses.) Indicates reel direction reversed for 1/4 turn of motor.

Jammed reel.

Jammed or Failed Greens Tender Conditioner or Rotary Brush.

Damaged bedknife or reel.

Code 2-5 or 2-8 (Two pulses followed by a short pause followed by five, six or eight pulses.) Indicates motor current over the limit, due to excessive load or jammed reel.

Jammed Reel.

Bedknife to reel adjusted too tight.

Failed bearings.

Code 2-9 (Two pulses followed by a short pause followed by nine pulses.) Indicates Internal controller temperature resulted in controller shutting down motor.

Tight reel to bedknife clearance.

Bedknife to reel adjusted too tight.

Overheated controller.

Controller cooling fins plugged with debris.

Heavy load on motor.

Code 2-10 (Two pulses followed by a short pause followed by ten pulses.) Indicates Internal motor temperature resulted in controller shutting down motor.

Disconnected connectors.

Reel motor wires are damaged.

Cutting unit not turning freely.

Dull reel and bedknife.

Heavy load on reel motor.

Code 6-4 (Six pulses followed by a short pause followed by four pulses.) Indicates motor position sensor error at start.

Disconnected connectors.

Damaged or broken wires.

Code 6-6 (Six pulses followed by a short pause followed by Six pulses.) Indicates motor position sensor error while running.

Overheated reel motor.

Cutting reel jammed by debris.

Reel drive system not turning freely.

Tight reel to bedknife clearance.

Disconnected connectors.

Dull reel and bedknife.

Jammed or failed attachment.

Broken or damaged wires between motor and controller.

Code 7-2 (Seven pulses followed by a short pause followed by two pulses.) Indicates phase short to ground.

Debris in connectors.

Wires from controller to motor shorted.

Internal short in motor.

Internal short in controller.

Code 7-3 (Seven pulses followed by a short pause followed by three pulses.) Indicates high current to motor.

Broken or damaged wires between motor and controller.

Contaminated connections between motor and controller.

Code 7-4 (Seven pulses followed by a short pause followed by four pulses.) Indicates open high-amperage wire between motor and controller.

Broken or damaged wires between motor and controller.

Open connector between motor and controller.

Code 7-5 (Seven pulses followed by a short pause followed by five pulses.) Indicates frequency of cut potentiometer speed control voltage is low.

Poor connection between the controller and speed control potentiometer.

Damaged wires between controller and speed controller potentiometer.

Potentiometer malfunction.

Code 8-1 (Eight pulses followed by a short pause followed by one pulses.) Indicates internal alternator temperature resulting in shutting down motor.

Disconnected wiring connectors.

Broken or damaged wires between alternator and controller.

Poor connection on 48-volt power or ground connections.

Cutting unit not turning freely.

Dull reel and bedknife.

Excessive load on reel motor.

Code 8-2 (Eight pulses followed by a short pause followed by two pulses.) Indicates failure to hold frequency of clip due to excessive load or jammed reel.

Cutting unit jammed with debris.

Cutting unit not turning freely.

Tight reel to bedknife clearance.

Dull reel and bedknife.

Jammed or failed attachment.

Code 8-3 (Eight pulses followed by a short pause followed by three pulses.) Indicates alternator speed sensor error resulting in shutting down motor.

Disconnected wiring connectors.

Broken or damaged wires between alternator and controller.

Code 8-4 (Eight pulses followed by a short pause followed by four pulses.) Indicates Incorrect controller for this machine.

Wrong controller on machine. Need to replace with proper controller for model of machine.

Code 9-2 (Nine pulses followed by a short pause followed by two pulses.) Indicates alternator output too high.

Alternator internal regulator.

Alternator over speed.

Code 9-3 (Nine pulses followed by a short pause followed by three pulses.) Internal controller failure.

Call John Deere Dealer.

Code 9-5 (Nine pulses followed by a short pause followed by five pulses.) Indicates signal wires shorted to external power line or ground.

Broken or damage wires between motor and controller.

Signal wires shorted to ground.

Contaminated connector.

Code 9-7 (Nine pulses followed by a short pause followed by seven pulses.) Indicates supply voltage from controller to frequency of clip (FOC) speed control potentiometer voltage is low.

Poor connection between the controller and speed control potentiometer.

Damaged wires between controller and speed controller potentiometer.

Shorted ground on speed controller potentiometer.

Potentiometer malfunction.

OUO1082,00064C2-19-20150709