Manual for 4375 Watt Portable Generator - Troubleshooting and error codes + PDF Download

Manual for 4375 Watt Portable Generator - Troubleshooting and error codes + PDF Download

Brand: Predator

Category: Portable Generator

Manual Type:

Language:

Uploaded: April 8, 2025, 1:51 p.m.

Warranty Summary

Warranty is void if engine is not started every 3 months during extended storage or if high altitude adjustments are not made.
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Basic Generator Operation:

  1. Prepare: Follow set-up instructions, unplug loads, inspect the generator, and fill with fuel and oil.
  2. Start Engine: For cold start, use choke. Open fuel valve, turn engine switch ON, and use starter handle. Warm up engine for 5 minutes with no load.
  3. Test GFCI: With engine running, test GFCI receptacles before each use.
  4. Connect Loads: Plug in products, starting with highest wattage. Distribute loads over outlets.
  5. Disconnect Loads: When finished, disconnect all electrical loads before stopping the engine.
  6. Stop Engine: Turn off engine and allow generator to cool before storing.

Important: Allow engine to stabilize for five minutes after each start-up. Perform break-in procedure for new equipment.

Troubleshooting and error codes

Problem Possible Causes Probable Solutions
Engine will not start FUEL RELATED:
1. No fuel or valve closed.
2. Choke not in START.
3. Bad gasoline.
4. Old gasoline.
5. Carburetor not primed.
6. Dirty fuel passageways.
7. Carburetor needle stuck.
8. Too much fuel.
9. Clogged Fuel Filter.

IGNITION (SPARK) RELATED:
1. Spark plug cap loose.
2. Spark plug dirty.
3. Incorrect spark plug gap.
4. Spark plug cap broken.
5. Circuit breaker tripped.
6. Incorrect spark timing.		 FUEL RELATED:
1. Fill tank, open valve.
2. Move Choke to START.
3. Use fresh gasoline (87+ octane).
4. Use fresh gasoline.
5. Pull Starter Handle to prime.
6. Clean fuel passageways.
7. Tap carburetor.
8. Set Choke to RUN, remove spark plug, pull start handle, reinstall spark plug, set Choke to START.
9. Replace Fuel Filter.

IGNITION (SPARK) RELATED:
1. Connect spark plug cap.
2. Clean spark plug.
3. Correct spark plug gap.
4. Replace spark plug cap.
5. Reset circuit breaker.
6. Have technician diagnose.
Engine stops when under heavy load COMPRESSION RELATED:
1. Cylinder not lubricated.
2. Loose spark plug.
3. Loose cylinder head gasket.
4. Engine valves stuck.

OIL RELATED:
1. Low engine oil.
2. Engine on slope.

1. Dirty air filter.
2. Engine cold.		 COMPRESSION RELATED:
1. Pour oil in spark plug hole.
2. Tighten/replace spark plug.
3. Tighten/replace head gasket.
4. Have technician diagnose.

OIL RELATED:
1. Fill engine oil.
2. Operate on level surface.

1. Clean air filter.
2. Warm up engine.
Engine misfires 1. Spark plug cap loose.
2. Incorrect spark plug gap or damaged plug.
3. Defective spark plug cap.
4. Old or low quality gasoline.
5. Incorrect compression.		 1. Check wire connections.
2. Re-gap/replace spark plug.
3. Replace spark plug cap.
4. Use fresh gasoline (87+ octane).
5. Diagnose compression.
Engine stops suddenly 1. Low oil shutdown.
2. Fuel tank empty or bad gasoline.
3. Defective fuel tank cap.
4. Faulty magneto.
5. Disconnected spark plug cap.		 1. Fill engine oil.
2. Fill tank with fresh gasoline.
3. Test/replace fuel tank cap.
4. Have technician service magneto.
5. Secure spark plug cap.
Engine knocks 1. Old or low quality gasoline.
2. Engine overloaded.
3. Incorrect spark timing.		 1. Fill tank with fresh gasoline.
2. Do not overload engine.
3. Have technician diagnose.
Engine backfires 1. Impure gasoline.
2. Engine too cold.
3. Intake valve stuck.
4. Incorrect timing.		 1. Fill tank with fresh gasoline.
2. Use cold weather fuel additives.
3. Have technician diagnose.
4. Check engine timing.
Product doesn't have power 1. Product unplugged.
2. Circuit Breaker tripped.
3. GFCI activated.
4. Product needs service.		 1. Plug in product properly.
2. Reset Circuit Breaker.
3. Reset GFCI.
4. Have product repaired.
Product begins to operate abnormally 1. Problem with appliance.
2. Rated load capacity exceeded.		 1. Unplug appliance, have it repaired/replaced.
2. Lower number of items plugged in.

Troubleshooting and error codes

Problem Possible Causes Probable Solutions
Engine will not start FUEL RELATED:
1. No fuel or valve closed.
2. Choke not in START.
3. Bad gasoline.
4. Old gasoline.
5. Carburetor not primed.
6. Dirty fuel passageways.
7. Carburetor needle stuck.
8. Too much fuel.
9. Clogged Fuel Filter.

IGNITION (SPARK) RELATED:
1. Spark plug cap loose.
2. Spark plug dirty.
3. Incorrect spark plug gap.
4. Spark plug cap broken.
5. Circuit breaker tripped.
6. Incorrect spark timing.		 FUEL RELATED:
1. Fill tank, open valve.
2. Move Choke to START.
3. Use fresh gasoline (87+ octane).
4. Use fresh gasoline.
5. Pull Starter Handle to prime.
6. Clean fuel passageways.
7. Tap carburetor.
8. Set Choke to RUN, remove spark plug, pull start handle, reinstall spark plug, set Choke to START.
9. Replace Fuel Filter.

IGNITION (SPARK) RELATED:
1. Connect spark plug cap.
2. Clean spark plug.
3. Correct spark plug gap.
4. Replace spark plug cap.
5. Reset circuit breaker.
6. Have technician diagnose.
Engine stops when under heavy load COMPRESSION RELATED:
1. Cylinder not lubricated.
2. Loose spark plug.
3. Loose cylinder head gasket.
4. Engine valves stuck.

OIL RELATED:
1. Low engine oil.
2. Engine on slope.

1. Dirty air filter.
2. Engine cold.		 COMPRESSION RELATED:
1. Pour oil in spark plug hole.
2. Tighten/replace spark plug.
3. Tighten/replace head gasket.
4. Have technician diagnose.

OIL RELATED:
1. Fill engine oil.
2. Operate on level surface.

1. Clean air filter.
2. Warm up engine.
Engine misfires 1. Spark plug cap loose.
2. Incorrect spark plug gap or damaged plug.
3. Defective spark plug cap.
4. Old or low quality gasoline.
5. Incorrect compression.		 1. Check wire connections.
2. Re-gap/replace spark plug.
3. Replace spark plug cap.
4. Use fresh gasoline (87+ octane).
5. Diagnose compression.
Engine stops suddenly 1. Low oil shutdown.
2. Fuel tank empty or bad gasoline.
3. Defective fuel tank cap.
4. Faulty magneto.
5. Disconnected spark plug cap.		 1. Fill engine oil.
2. Fill tank with fresh gasoline.
3. Test/replace fuel tank cap.
4. Have technician service magneto.
5. Secure spark plug cap.
Engine knocks 1. Old or low quality gasoline.
2. Engine overloaded.
3. Incorrect spark timing.		 1. Fill tank with fresh gasoline.
2. Do not overload engine.
3. Have technician diagnose.
Engine backfires 1. Impure gasoline.
2. Engine too cold.
3. Intake valve stuck.
4. Incorrect timing.		 1. Fill tank with fresh gasoline.
2. Use cold weather fuel additives.
3. Have technician diagnose.
4. Check engine timing.
Product doesn't have power 1. Product unplugged.
2. Circuit Breaker tripped.
3. GFCI activated.
4. Product needs service.		 1. Plug in product properly.
2. Reset Circuit Breaker.
3. Reset GFCI.
4. Have product repaired.
Product begins to operate abnormally 1. Problem with appliance.
2. Rated load capacity exceeded.		 1. Unplug appliance, have it repaired/replaced.
2. Lower number of items plugged in.