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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 adjustment 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
Starter does not crank
Engine will not start, starts hard, or fails to
keep running
Possible Cause
1. PTO is engaged.
2. Parking brake is not engaged.
3. Drive levers are not in neutral lock
position.
4. Battery does not have a full charge.
5. Electrical connections are corroded, loose
or faulty.
6. Fuse is blown.
7. Relay or switch is defective.
8. Faulty module.
1. Engine oil level is low.
2. LPG tank is overfilled.
3. LPG tank is not an Exmark approved
vapor tank.
4. Oil pressure switch or fuel shut-off
solenoid malfunction.
5. Connection to the LPG tank is loose.
6. LPG fuel tank is empty or very low.
7. Fuel valve is closed.
8. Fuel valve opened to fast.
9. LPG tank is not installed properly.
10. LPG tank components or hoses are dirty
or damaged.
11. Air cleaner is dirty.
12. Seat switch is not functioning properly.
13. Electrical connections are corroded, loose
or faulty.
14. Relay or switch is defective.
15. Faulty spark plug.
16. Spark plug wire is not connected.
17. Faulty module.
18. MIL illuminates or blinks
52
Corrective Action
1. Disengage the PTO.
2. Set the parking brake.
3. Ensure the drive levers are in the neutral
lock position.
4. Charge the battery. See Check
Battery Charge and Recommended
Jump Starting Procedure sections in
Maintenance.
5. Check the electrical connections for
good contact. Clean connector terminals
thoroughly with electrical contact cleaner,
apply dielectric grease and reconnect.
6. Replace the blown fuse.
7. Contact an Authorized Service Dealer.
8. Replace module.
1. Check and add oil if necessary.
2. Take tank to an approved LPG provider
to bleed off some fuel.
3. Remove tank and replace with an Exmark
approved LPG vapor tank.
4. Contact an Authorized Kohler Service
Dealer.
5. Hand-tighten connector to tank.
6. Replace the LPG fuel tank.
7. Open the fuel valve.
8. Open the fuel valve slowly to equalize
pressure in the tank(s).
9. Reinstall the LPG tank.
10. Replace LPG tank components or hoses.
11. Clean or replace the air cleaner element.
12. Check the seat switch indicator. Replace
seat if needed.
13. Check the electrical connections for
good contact. Clean connector terminals
thoroughly with electrical contact cleaner,
apply dielectric grease and reconnect.
14. Contact an Authorized Service Dealer.
15. Clean, adjust or replace spark plug.
16. Check the spark plug wire connection.
17. Replace module.
18. Contact an Authorized Service Dealer
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