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TROUBLESHOOTING
TROUBLESHOOTING
PROBLEM PROBABLE CAUSE CORRECTION
Engine does not crank.
1. PTO engaged.
2. Parking brake disengaged.
3. Loose or corroded battery
cables.
4. Discharged battery.
5. Faulty starter.
1. Disengage PTO.
2. Engage parking brake.
3. Clean and tighten battery cables
(see Servicing the Battery on
page 18).
4. Charge battery (see Charging
the Battery on page 19).
5. See your Gravely Dealer.
Engine cranks but does not start.
1. Fuel tank empty.
2. Faulty spark plug.
3. Air cleaner is plugged or dirty.
4. Fuel filter is dirty.
5. Faulty engine.
1. Fill fuel tank (see Filling Fuel
Tank on page 18).
2. Replace spark plug. Refer to
Engine Manual.
3. Clean or replace air cleaner.
Refer to Engine Manual.
4. Clean or replace fuel filter. Refer
to Engine Manual
5. Refer to Engine Manual or see
your Gravely Dealer.
Battery light does not light up
when starting engine.
1. Discharged battery. 1. Charge battery (see Charging
the Battery on page 19).
Oil pressure light is on.
1. Oil pressure is low. 1. Refer to Engine Manual.
Fuel/Water separator light is on.
1. Fuel/water separator filter dirty
or damaged.
1. Clean or replace fuel/water
separator filter. Refer to Engine
Manual
Engine is overheating
1. Engine oil level is low.
2. Cooling fins/screen on engine
plugged with debris.
1. Add engine oil. Refer to Engine
Manual.
2. Clean engine and surrounding
area.
Engine continues to run when
ignition key is in the off position.
1. Ignition ground wire
disconnected.
2. Ignition switch failure.
1. Connect ground wire to clean
metal surface.
2. Replace ignition switch (see your
Gravely Dealer).
PTO or mower blades do not
engage or shuts off.
1. Operator presence switch not
depressed.
2. Eye-Q alarm setting is turned
on.
3. The Eye-Q circuitry senses an
overload to the PTO clutch and
is shutting off the PTO switch.
4. Faulty PTO switch.
1. Depress operator presence
switch by sitting on seat.
2. Turn off the alarm that
deactivates the PTO on a regular
schedule. See the Owner’s
Manual.
3. Check the mower deck for
clogging or debris. Check the
electrical system to the clutch for
damage or wear.
4. See your Gravely Dealer.