OMMT2702
Issue C6
2243 Gas Professional Greensmower
Serial No. (958001 - )
Using Troubleshooting Chart
Electrical
Hydraulic Mower Drive System (Continued)
Hydrostatic Drive
Hydrostatic Drive (Continued)
Cutting Units
Cutting Units (Continued)
Copyright© Deere & Company
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Troubleshooting
Using Troubleshooting Chart
If you are experiencing a problem that is not listed in this chart, see your John Deere distributor for service.
When you have checked all the possible causes listed and you are still experiencing the problem, see your John Deere distributor.
IF
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CHECK
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ENGINE WILL NOT CRANK
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Transmission pedals out of neutral position.
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Operator not on seat.
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Mow/Transport lever not in transport.
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Ignition interlock switches not aligned correctly.
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Loose or corroded battery connections.
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Low battery output.
Sulfated or worn out battery.
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Starter faulty.
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Blown fuse.
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Melted fusible link.
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ENGINE HARD TO START
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Faulty spark plug.
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Loose or corroded electrical connections.
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Stale fuel.
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Engine (Continued)
IF
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CHECK
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ENGINE WILL NOT START
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Fuel shut-off valve closed.
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No fuel.
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Wrong fuel.
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Plugged fuel filter.
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Stale fuel.
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Spark plug wires loose or disconnected.
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ENGINE MISSES UNDER LOAD
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Faulty spark plug.
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Stale fuel.
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ENGINE VAPOR LOCKS
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Fuel tank vent plugged.
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Dirty fuel filter.
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ENGINE RUNS UNEVENLY
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Loose electrical connections.
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Choke or throttle cable sticking.
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ENGINE WILL NOT IDLE
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Spark plug not gapped correctly.
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Faulty spark plug.
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ENGINE BACKFIRES
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Faulty spark plug.
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ENGINE KNOCKS
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Stale or low octane fuel.
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Engine overloaded.
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Low engine speed.
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Engine (Continued)
IF
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CHECK
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ENGINE LOSES POWER
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Engine overheating.
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Too much oil in engine.
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Dirty air cleaner.
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High altitude operation.
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Faulty spark plug.
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ENGINE OVERHEATS
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Low coolant level.
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Engine oil low.
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Air cleaner element plugged.
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Engine air intake screen plugged.
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Plugged radiator fins.
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Cooling system plugged.
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Engine operated too long at idle speed.
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Engine overloaded.
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Faulty thermostat.
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Faulty radiator cap.
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LOW OIL PRESSURE
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Engine oil level low.
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Plugged oil filter.
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Electrical
IF
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CHECK
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STARTER DOES NOT WORK
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Loose or corroded connections.
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Low battery output.
Sulfated or worn out battery.
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Faulty starter.
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STARTER CRANKS SLOWLY
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Low battery output.
Sulfated or worn out battery.
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Engine oil too heavy.
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Loose or corroded connections.
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ENTIRE ELECTRICAL SYSTEM DOES NOT WORK
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Blown fuse.
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Loose or corroded connections.
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Sulfated or worn out battery.
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DEAD BATTERY
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Shorted starter solenoid.
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Ignition switch wired wrong.
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Sulfated or worn out battery.
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BATTERY LIGHT GOES ON WHEN ENGINE IS RUNNING
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Low engine speed.
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Faulty voltage regulator.
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Faulty battery.
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Faulty alternator.
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Grounded wire in circuit.
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Electrical (Continued)
IF
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CHECK
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INDICATOR LIGHTS DO NOT COME ON IN "START" POSITION
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Faulty bulb.
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Faulty wiring.
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Faulty sensor.
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BATTERY WILL NOT TAKE A CHARGE
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Dead cell in battery.
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Loose or corroded connections.
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Sulfated or worn out battery.
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Fluid level low.
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Hydraulic Mower Drive System
IF
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CHECK
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SLOW REEL SPEED
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Oil level low. (See Checking Hydraulic Oil Level in Service-Transmission section).
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Oil overheats.
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Wrong oil.
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Worn pump or motor(s).
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Worn or stuck relief valve.
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Dirty relief valve.
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Reels too tight against bed knife.
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Hydraulic Mower Drive System (Continued)
IF
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CHECK
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OIL OVERHEATS
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Low oil level.
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High-pressure internal leak.
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Dirty oil.
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Wrong oil.
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Parking brake locked.
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High ambient temperatures working under heavy loads.
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FOAMING OIL
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Low oil level.
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Wrong oil.
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Air leaks.
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NOISY PUMP
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Low oil level.
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HYDRAULIC SYSTEM FAILS TO FUNCTION
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Broken drive belt.
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Low oil level.
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Faulty relief valve.
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Faulty pump or motor(s).
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Clogged suction line.
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Wrong oil.
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Air leaks.
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Hydrostatic Drive
IF
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CHECK
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MACHINE WILL NOT MOVE FORWARD OR BACKWARD.
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Low oil level.
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Wrong Oil.
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Control linkage out of adjustment.
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Broken belt to hydrostatic axle.
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Low charge pressure.
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Internal pump damage.
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NOISY SYSTEM
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Low oil level.
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Air in system.
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Oil filter plugged.
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Internal pump or motor damage.
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Parking brake locked.
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ACCELERATES SLOWLY
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Low oil level.
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Control linkage loose or out of adjustment.
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Air in system.
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Low charge pressure.
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Parking brake locked.
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MACHINE MOVES WITH ENGINE RUNNING AND HYDROSTATIC CONTROL PEDALS IN NEUTRAL
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Linkage out of adjustment.
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Hydrostatic Drive (Continued)
PEDALS DO NOT RETURN TO NEUTRAL
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Spring out of adjustment.
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Cutting Units
IF
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CHECK
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POOR CUTTING
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Reel-to-bed knife out of adjustment.
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Reel dull.
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Ground speed too high. Engine speed too slow (not at rated 3350 50 rpm).
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Bed knife and/or reel grooved, ribbed, or rifled due to reel-to-bed knife adjustment too tight or running machine without grass in the reels.
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CORRUGATED OR RIBBED APPEARANCE TO TURF
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Ground speed too high or engine rpm too slow (not at rated 3350 50 rpm).
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GRASS BUILDUP ON ROLLS
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Scraper out of adjustment.
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Cutting Units (Continued)
IF
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CHECK
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MOWERS WILL NOT RAISE/LOWER
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Not enough oil in reservoir.
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Transaxle pump does not rotate.
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No output from pump.
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Failed foot switch.
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Broken or shorted wiring.
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Defective solenoid.
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Control valve spool does not move.
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REELS WILL NOT ROTATE
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Reels too tight against bed knife.
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Not enough oil in reservoir.
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Hydraulic pump does not rotate.
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No output from pump.
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Broken or shorted wiring.
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Defective solenoid.
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Control valve spool does not move.
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MOWER REELS SQUEAL
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Operating reel without grass (juice lubricates reel and bed knife).
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Reel-to-bed knife clearance is inadequate.
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BACKLAPPING REELS
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Reels turning at high rpm.
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OIL LEAKS FROM CUTTING UNIT MOTOR
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Motor seal leaks.
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