EN - 41
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
4. Charge battery (see
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
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.
Oil pressure light
is on.
1. Oil pressure is low.
1. Refer to Engine Manual.
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 shut off.
1. Operator presence switch not
depressed.
2. Faulty PTO switch.
1. Depress operator presence
switch by sitting on seat.
2. Check the electrical system to
the clutch for damage or wear.
See your Gravely Dealer.
Unit does not
drive.
1. Parking brake engaged.
2. Transmission bypass levers
open.
3. Hydraulic oil level low.
4. Faulty hydraulic drive system.
1. Disengage parking brake.
2. Close transmission bypass
levers (see
3. Add hydraulic oil (see
4. See your Gravely dealer.