Manual for YTH 18542 - Troubleshooting and error codes + PDF Download

Manual for YTH 18542 - Troubleshooting and error codes + PDF Download

Brand: Husqvarna

Category: Lawn Mower

Manual Type:

Language:

Uploaded: April 8, 2025, 4:23 a.m.

Manual Publish Date: 2008-02

Warranty Summary

Husqvarna warrants this product to be free from defects in material and workmanship for a period of 2 years for consumer use.
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Basic Operation Summary:

  • Starting the Engine: Ensure freewheel control is engaged, set parking brake, place motion control lever in neutral, disengage attachment clutch, choke, and turn ignition to START.
  • Moving Forward/Backward: Release parking brake, slowly move motion control lever to desired position.
  • Adjusting Cutting Height: Use attachment lift lever to select desired height.
  • Operating Mower: Select cut height, engage attachment clutch.
  • Stopping: Disengage attachment clutch, depress clutch/brake, move motion control lever to neutral, set parking brake, turn ignition to STOP.

Troubleshooting and error codes

PROBLEM CAUSE CORRECTION
Will not start 1. Out of fuel.
2. Engine not "CHOKED" properly.
3. Engine flooded.
4. Bad spark plug.
5. Dirty air filter.
6. Dirty fuel filter.
7. Water in fuel.
8. Loose or damaged wiring.
9. Carburetor out of adjustment.
10. Engine valves out of adjustment.		 1. Fill fuel tank.
2. See "TO START ENGINE" in Operation section.
3. Wait several minutes before attempting to start.
4. Replace spark plug.
5. Clean/replace air filter.
6. Replace fuel filter.
7. Empty fuel tank and carburetor, refill tank with fresh gasoline and replace fuel filter.
8. Check all wiring.
9. See "To Adjust Carburetor" in Service Adjustments section.
10. Contact an authorized service center/department.
Hard to start 1. Dirty air filter.
2. Bad spark plug.
3. Weak or dead battery.
4. Dirty fuel filter.
5. Stale or dirty fuel.
6. Loose or damaged wiring.
7. Carburetor out of adjustment.
8. Engine valves out of adjustment.		 1. Clean/replace air filter.
2. Replace spark plug.
3. Recharge or replace battery.
4. Replace fuel filter.
5. Empty fuel tank and refill tank with fresh, clean gasoline.
6. Check all wiring.
7. See "To Adjust Carburetor" in Service Adjustments section.
8. Contact an authorized service center/department.

Troubleshooting and error codes

PROBLEM CAUSE CORRECTION
Will not start 1. Out of fuel.
2. Engine not "CHOKED" properly.
3. Engine flooded.
4. Bad spark plug.
5. Dirty air filter.
6. Dirty fuel filter.
7. Water in fuel.
8. Loose or damaged wiring.
9. Carburetor out of adjustment.
10. Engine valves out of adjustment.		 1. Fill fuel tank.
2. See "TO START ENGINE" in Operation section.
3. Wait several minutes before attempting to start.
4. Replace spark plug.
5. Clean/replace air filter.
6. Replace fuel filter.
7. Empty fuel tank and carburetor, refill tank with fresh gasoline and replace fuel filter.
8. Check all wiring.
9. See "To Adjust Carburetor" in Service Adjustments section.
10. Contact an authorized service center/department.
Hard to start 1. Dirty air filter.
2. Bad spark plug.
3. Weak or dead battery.
4. Dirty fuel filter.
5. Stale or dirty fuel.
6. Loose or damaged wiring.
7. Carburetor out of adjustment.
8. Engine valves out of adjustment.		 1. Clean/replace air filter.
2. Replace spark plug.
3. Recharge or replace battery.
4. Replace fuel filter.
5. Empty fuel tank and refill tank with fresh, clean gasoline.
6. Check all wiring.
7. See "To Adjust Carburetor" in Service Adjustments section.
8. Contact an authorized service center/department.