Husqvarna 420 GN manual Troubleshooting

Page 17

Troubleshooting

Problem

Cause

Correction

 

1.

One of the circuit breakers is open.

1.

Reset circuit breaker.

Engine is running, but no AC

2.

Fault in generator.

2.

Contact authorized service facility.

3.

Poor connection or defective cord set.

3.

Check and repair.

output is available.

4.

Connected device is bad.

4.

Connect another device that is in good

 

 

 

 

 

condition.

 

 

 

 

 

 

1.

Short circuit in a connected load.

1.

Disconnect shorted electrical load.

Engine runs good at no-load but

2.

Engine speed is too slow.

2.

Contact authorized service facility.

“bogs down” when loads are

3.

Generator is overloaded.

3.

See Don’t Overload Generator in

connected.

 

 

 

Operation section.

 

4.

Shorted generator circuit.

4.

Contact authorized service facility.

 

 

 

 

 

 

1.

Rocker switch set to “Off”.

1.

Set switch to “On”.

 

2.

Fuel Valve is in “Off” position.

2.

Turn fuel valve to “Open” position.

 

3.

Dirty air cleaner.

3.

Clean or replace air cleaner.

 

4.

Out of fuel.

4.

Fill fuel tank.

 

5.

Stale fuel.

5.

Drain fuel tank and carburetor; fill with

 

 

 

 

fresh fuel.

Engine will not start; or starts

6.

Spark plug wire not connected to spark

6.

Connect wire to spark plug.

 

plug.

 

 

and runs rough.

 

 

 

7.

Bad spark plug.

7.

Replace spark plug.

 

 

8.

Water in fuel.

8.

Drain fuel tank and carburetor; fill with

 

 

 

 

fresh fuel.

 

9.

Flooded.

9.

Wait 5 minutes and re-crank engine.

 

10.

Excessively rich fuel mixture.

10.

Contact authorized service facility.

 

11.

Intake valve stuck open or closed.

11.

Contact authorized service facility.

 

12.

Engine has lost compression.

12.

Contact authorized service facility.

 

 

 

Engine shuts down when

Out of fuel.

Fill fuel tank.

running.

 

 

 

 

 

 

 

 

 

 

1.

Load is too high.

1.

See Don’t Overload Generator in

Engine lacks power.

 

 

 

Operation section.

 

2.

Dirty air filter.

2.

Replace air filter.

 

 

 

Engine “hunts” or falters.

Carburetor is running too rich or too lean.

Contact authorized service facility.

 

 

 

 

 

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Contents Operator’s Manual Date Purchased Where to Find Us GeneratorTable of Contents Safety Rules Operator SafetySafety alert symbol is used with a signal word Hazard Symbols and MeaningsBroken bones, fractures, bruises, or sprains could result Engine exhaust from this product containsUnintentional sparking can result in fire or electric shock When Testing for Engine SparkContact with muffler area can result in serious burns Install Wheel Kit AssemblyUnpack Generator Add Engine OilSystem Ground Connecting to a Building’s Electrical SystemGenerator Location Special RequirementsVolt DC batteries Features and ControlsFuel Valve Used to turn fuel supply on and off to engine Items Not ShownVolt AC, 15 Amp, Duplex Receptacle Volt DC Accessory JackCord Sets and Receptacles Operation Connecting Electrical LoadsStarting the Engine Stopping the EngineCold Weather Operation Charging a BatteryTo recharge 12 Volt batteries, proceed as follows PositiveCreating a Permanent Shelter Creating a Temporary ShelterAn emergency, use the original shipping carton Wattage Reference Guide Don’t Overload GeneratorGenerator Maintenance MaintenanceEngine Maintenance CleaningGenerator Storage StorageLong Term Storage Instructions Storing the EngineTroubleshooting Husqvarna Portable Generator Owner Warranty Policy 877 Product SpecificationsExploded View Main Unit Exploded View Main Unit Parts Not Illustrated Parts List Main UnitDescription Exploded View and Parts List Alternator

420 GN specifications

The Husqvarna 420 GN is a powerful and versatile garden tool designed to meet the needs of both professional landscapers and dedicated gardening enthusiasts. This robust chainsaw boasts a range of advanced features and technologies that enhance its performance, ensuring efficient and effective cutting in various outdoor tasks.

One of the standout features of the Husqvarna 420 GN is its powerful engine, which provides a remarkable power-to-weight ratio. The excellent performance is complemented by a low vibration design, allowing extended periods of use without discomfort. The chainsaw is equipped with a centrifugal air cleaning system that significantly reduces the amount of debris and dust entering the air filter. This ensures longer operating periods between air filter cleanings and contributes to the overall longevity of the equipment.

The intuitive design of the Husqvarna 420 GN leads to excellent maneuverability. Its lightweight construction allows users to easily handle the chainsaw during various cutting applications, improving efficiency and precision. The front and rear handles are ergonomically designed, providing a secure grip that enhances control, particularly during demanding cutting tasks.

The chainsaw features an X-Torque engine technology, which minimizes fuel consumption and emissions while maintaining high levels of power. This emphasizes Husqvarna’s commitment to sustainability without compromising performance. Additionally, the chainsaw is equipped with an automatic oil pump that optimizes chain lubrication based on usage, ensuring the chain is always properly lubricated for optimal cutting performance.

The chainsaw is also designed for easy maintenance, with a tool-less chain tensioning system that allows users to adjust the chain tension quickly and efficiently without the need for additional tools. The sturdy construction of the Husqvarna 420 GN, coupled with its ideal size for various cutting tasks, makes it a favorite among professionals and avid gardeners alike.

Overall, the Husqvarna 420 GN is an exceptional choice for those seeking a reliable and powerful chainsaw. With its combination of advanced technologies, ergonomic design, and ease of maintenance, it sets a high standard in the world of outdoor power equipment, making it a valuable addition to any toolkit. Whether tackling heavy-duty jobs or handling lighter pruning tasks, the Husqvarna 420 GN delivers excellence in performance and reliability.
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