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For technical questions, please call 1-888-866-5797.
ITEM 59186
SAFETY OPERATION MAINTENANCESETUP
Problem Possible Causes Probable Solutions
Engine misfires 1. Spark plug cap loose.
2. Incorrect spark plug gap or
damaged spark plug.
3. Defective spark plug cap.
4. Old or low quality gasoline.
5. Incorrect compression.
1. Check cap and wire connections.
2. Re-gap or replace spark plug.
3. Replace spark plug cap.
4. Use only fresh 87+ octane stabilizer-treated
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
5. Diagnose and repair compression. (Use Engine will
not start: COMPRESSION RELATED section.)
Engine stops
suddenly
1. 1. Carbon Monoxide level high. Red light on Carbon Monoxide level high. Red light on
Carbon Monoxide Sensor illuminates.Carbon Monoxide Sensor illuminates.
2. 2. CO Sensor Alarm flashes yellow continually CO Sensor Alarm flashes yellow continually
shortly after starting. shortly after starting.
3. 3. CO Sensor Alarm flashes yellow continually CO Sensor Alarm flashes yellow continually
after longer period of operation. after longer period of operation.
4. Low oil shutdown.
5. Fuel tank empty or full of impure or low
quality gasoline.
6. Defective fuel tank cap creating
vacuum, preventing proper fuel flow.
7. Faulty magneto.
8. Disconnected or improperly
connected spark plug cap.
1. 1. Leave area immediately and allow area to ventilate Leave area immediately and allow area to ventilate
thoroughly. Only operate generator outside.thoroughly. Only operate generator outside.
2. 2. Carbon monoxide sensor malfunction. Carbon monoxide sensor malfunction.
Sensor needs service. Call 1-888-866-5797 as Sensor needs service. Call 1-888-866-5797 as
soon as possible. Do not use the Generator soon as possible. Do not use the Generator
until the sensor is working properly.until the sensor is working properly.
3. 3. Make sure to operate generator within Make sure to operate generator within
rated ambient temperature; maintain rated ambient temperature; maintain
minimum 5 ft. clearance from all sides.minimum 5 ft. clearance from all sides.
4. Fill engine oil to proper level. Check
engine oil before EVERY use.
5. Fill fuel tank with fresh 87+ octane stabilizer treated
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
6. Test/replace fuel tank cap.
7. Have qualified technician service magneto.
8. Secure spark plug cap.
Engine stops when
under heavy load
1. Dirty air filter
2. Engine running cold.
1. Clean element.
2. Allow engine to warm up prior
to operating equipment.
Engine knocks 1. Old or low quality gasoline.
2. Engine overloaded.
3. Incorrect spark timing, deposit
buildup, worn engine, or other
mechanical problems.
1. Fill fuel tank with fresh 87+ octane stabilizer-treated
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
2. Do not exceed equipment’s load rating.
3. Have qualified technician diagnose
and service engine.
Engine backfires 1. Impure or low quality gasoline.
2. Engine too cold.
3. Intake valve stuck or overheated engine.
4. Incorrect timing.
1. Fill fuel tank with fresh 87+ octane stabilizer-treated
unleaded gasoline.
Do not use gasoline with more than
10% ethanol (E15, E20, E85, etc.).
2. Use cold weather fuel and oil additives
to prevent backfiring.
3. Have qualified technician diagnose
and service engine.
4. Check engine timing.
Follow all safety precautions whenever diagnosing or servicing the generator or engine.
Troubleshooting (continued)
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