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Troubleshooting
Troubleshooting
Important: It is essential that all operator safety mechanisms be connected and in proper operating
condition prior to mower use.
When a problem occurs, do not overlook the simple causes. For example: starting problems could be caused
by an empty fuel tank.
The following table lists some of the common causes of trouble. Do Not attempt to service or replace major
items or any items that call for special timing of adjustments procedures (such as valves, governor, etc.). Have
this work done by your Engine Service Dealer.
Note: When disconnecting electrical connectors Do Not pull on the wires to separate the connectors.
Problem Possible Cause Corrective Action
1. PTO is engaged.
1. Disengage the PTO.
2. Speed control lever is are not in neutral
lock position.
2. Ensure the speed control lever is in the
neutral lock position.
3. OPC levers are released.
3. Depress OPC levers.
4. Battery does not have a full charge.
4.
Charge the battery. See Check
Battery Charge and Recommended
Jump Starting Procedure sections in
Maintenance.
5. Electrical connections are corroded, loose
or faulty.
5. Check the electrical connections for
good contact. Clean connector terminals
thoroughly with electrical contact cleaner,
apply dielectric grease and reconnect.
6. Fuse is blown. 6. Replace the blown fuse.
Starter does not crank (Electric Start Units).
7. Relay or switch is defective. 7. Contact an Authorized Service Dealer.
1. Engine oil level is low.
1. Check and add oil if necessary.
2. LPG tank is overlled. 2. Take tank to an approved LPG provider
to bleed off some fuel.
3. LPG tank is not an Exmark approved
vapor tank.
3. Remove tank and replace with an Exmark
approved LPG vapor tank.
4. Engine is ooded.
4. Shut off fuel valve. Let unit set for 15-30
minutes. With the valve still off and the
throttle in the “SLOW” position, start the
unit. Once the engine attempts to start,
slowly open the fuel valve.
5. Oil pressure switch or fuel shut-off
solenoid malfunction.
5. Contact an Authorized Service Dealer.
6. Connection to the LPG tank is loose.
6. Hand-tighten connector to tank.
7. LPG fuel tank is empty or very low. 7. Replace the LPG fuel tank.
8. Fuel valve is closed.
8. Slowly open the fuel valve.
9. Fuel valve opened to fast.
9. Open the fuel valve slowly to equalize
pressure in the tank(s).
10. LPG tank is not installed properly.
10. Reinstall the LPG tank.
11. LPG tank components or hoses are dirty
or damaged.
11. Replace LPG tank components or hoses.
12. The throttle is not in the correct position. 12. Be sure the throttle control is in the
“SLOW” position.
13. Air cleaner is dirty.
13. Clean or replace the air cleaner element.
14. Electrical connections are corroded, loose
or faulty.
14. Check the electrical connections for
good contact. Clean connector terminals
thoroughly with electrical contact cleaner,
apply dielectric grease and reconnect.
15. Relay or switch is defective. 15. Contact an Authorized Service Dealer.
Engine will not start, starts hard, or fails to
keep running.
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