1. Introduktion
This manual provides essential information for the safe and efficient operation and maintenance of your WEN 56477i 4800-Watt RV-Ready Portable Inverter Generator. Please read all instructions carefully before use.
Nøglefunktioner:
- Kraftig output: 224cc engine delivers up to 4800 surge watts and 4000 rated watts.
- Ren strøm: Produces stable, pure sine wave power (less than 0.3% THD at no load, under 1.2% at full load) safe for sensitive electronics like smartphones, tablets, and laptops.
- Stille drift: Operates at a modest 62 decibels at quarter load, minimizing noise during use.
- Forbedret sikkerhed: Equipped with a WEN Watchdog CO Shutdown Sensor that automatically turns off the generator if dangerous levels of carbon monoxide are detected.
- Extended Engine Life: Features a fuel shutoff function that allows the carburetor to run dry, preventing fuel-related blockages and extending the unit's lifespan.
- Alsidige stikkontakter: Control panel includes four 120V NEMA 5-20R receptacles, one 12V DC receptacle, one 120V TT-30R RV receptacle, and two 5V USB ports.
- Bærbart design: Built-in wheels and a telescoping pull handle ensure easy transport.
- Øko-tilstand: Maximizes fuel economy by adjusting engine speed based on load.
2. Sikkerhedsoplysninger
Din sikkerhed er altafgørende. Følg altid følgende sikkerhedsretningslinjer:
- Kuliltefare: Generators produce carbon monoxide, an odorless, colorless gas that can kill you. ALWAYS operate the generator outdoors in a well-ventilated area, far from windows, doors, and vents. Never operate indoors, in a garage, or in any enclosed space.
- Brandfare: Fuel is highly flammable. Refuel in a well-ventilated area with the engine off and cool. Do not smoke or use open flames near the generator.
- Fare for elektrisk stød: Do not operate the generator in wet conditions. Ensure proper grounding.
- Varme overflader: The generator's engine and muffler become very hot during operation. Avoid contact to prevent burns.
- Læs manualen: Familiarize yourself with all controls and features before operating.
3. Produktet er slutview
Familiarize yourself with the components of your WEN 56477i Inverter Generator.

Figur 1: Forsiden view of the WEN 56477i 4800-Watt Portable Inverter Generator, showcasing dens kompakte design og kontrolpanel.

Figur 2: Bag view of the generator, highlighting the integrated wheels and telescoping handle for easy mobility.

Figur 3: Diagram illustrating the product dimensions: 23.8 inches (L) x 12.6 inches (W) x 22 inches (H).
4. Opsætning
4.1 Påfyldning af motorolie
- Placer generatoren på en plan overflade.
- Locate the oil fill cap (Figure 4).
- Fjern oliepåfyldningsdækslet og oliepinden.
- Carefully pour the recommended SAE 10W-30 engine oil into the oil fill opening using the provided funnel. The oil capacity is 0.63 quarts (0.6L).
- Check the oil level using the dipstick; it should be at the upper limit.
- Sæt oliepåfyldningsdækslet ordentligt på.

Figur 4: Top view of the generator, indicating the location of the fuel cap and the oil fill cap.
4.2 Påfyldning af brændstof
This model operates on gasoline. Ensure the engine is off and cool before adding fuel.
- Locate the fuel tank cap (Figure 4).
- Skru brændstoftankens dæksel af.
- Carefully pour fresh, unleaded gasoline (minimum 87 octane) into the fuel tank. Do not overfill; leave space for fuel expansion. The tank volume is 1.9 gallons.
- Sæt brændstoftankdækslet sikkert på igen.
4.3 Jordforbindelse af generatoren
Always ground the generator before operation to prevent electrical shock. Connect a grounding wire (not included) from the generator's grounding terminal to an external grounding rod or suitable ground source.
5. Betjeningsvejledning
5.1 Kontrolpanel overview

Figur 5: Detaljeret view of the control panel, showing various outlets, switches, and the Data Meter.
The control panel (Figure 5) features:
- Data Meter: Viser voltage, frequency, runtime, and fuel level.
- Eco-Mode Switch: Toggles between standard and eco-friendly operation.
- Nulstil knap: Resets the generator in case of overload.
- 120V NEMA 5-20R Receptacles (x4): Standard stikkontakter i husholdningen.
- 120V TT-30R RV Receptacle (x1): For RV applications.
- DC 12V Receptacle (x1): For 12-volt DC devices.
- DC 5V USB Ports (x2): Til opladning af små elektroniske enheder.
- Parallel Connect Ports: Allows connection of two WEN inverter generators for increased power (requires WEN Parallel Connection Kit, sold separately).
- Jordforbindelse Terminal: For sikker drift.
5.2 Starting the Generator (Recoil Start)
- Sørg for, at generatoren står på en plan overflade og er korrekt jordet.
- Tjek olie- og brændstofniveauer.
- Turn the 4-in-1 switch (Figure 6) to the KVÆLE position.
- Gently pull the recoil starter handle 3-5 times to prime the engine.
- Quickly pull the recoil starter handle to start the engine.
- Once the engine starts, slowly turn the 4-in-1 switch to the LØBE position.

Figur 6: Side view of the generator, highlighting the recoil start mechanism and the 4-in-1 switch for choke/run/fuel off/engine off.
5.3 Tilslutning af enheder
Once the generator is running, you can connect your electrical devices to the appropriate outlets on the control panel. Ensure the total wattage of connected devices does not exceed 4000 rated watts.
5.4 Øko-tilstandsdrift
Engage the Eco-Mode switch (Figure 5) to allow the generator's engine to automatically adjust its fuel consumption based on the load. This conserves fuel and reduces noise when full power is not required.
5.5 Standsning af generatoren
- Frakobl alle elektriske apparater fra generatoren.
- Turn the 4-in-1 switch to the BRÆNDSTOF FRA position. Allow the engine to run until it stops from lack of fuel (this drains the carburetor).
- Once the engine has stopped, turn the 4-in-1 switch to the MOTOR SLUKKET position.
6. Vedligeholdelse
Regelmæssig vedligeholdelse sikrer optimal ydeevne og forlænger din generators levetid.
6.1 Fuel Shutoff Feature
The fuel shutoff feature is designed to minimize maintenance by allowing the generator to use up remaining fuel from the carburetor before shutting down. This prevents the build-up and blockages caused by stagnant fuel, which can prolong the unit’s lifespan.
6.2 Oil and Air Filter Access
To access the oil and air filter for maintenance, remove the designated access panel. This allows for quick and easy oil changes and air filter cleaning/replacement.
7. Fejlfinding
If your generator encounters issues, refer to the following common troubleshooting steps:
- Motoren starter ikke: Check fuel level, oil level, spark plug condition, and ensure the 4-in-1 switch is in the correct position (CHOKE for starting, then RUN).
- Ingen strømudgang: Check if circuit breakers have tripped (reset if necessary). Ensure devices are properly connected and not exceeding the generator's wattage kapacitet.
- CO Watchdog Shutdown: If the CO Watchdog sensor activates, move the generator to a well-ventilated outdoor area. Allow it to cool down and clear any CO buildup before restarting.
- Overbelaste: If the overload indicator light is on, disconnect some devices to reduce the load. Press the reset button on the control panel.
For more detailed troubleshooting, consult the full user manual or contact customer support.
8. Specifikationer
| Feature | Specifikation |
|---|---|
| Mærke | WEN |
| Modelnummer | 56477i |
| Motorens slagvolumen | 224 cc |
| Starter Wattage | 4800 watt |
| Løb Wattage | 4000 watt |
| Brændstoftype | Benzin |
| Brændstoftankkapacitet | 1.9 gallons |
| Run Time (Half-Load) | Op til 7 timer |
| Noise Level (Quarter-Load) | 62 dB |
| Voltage | 120 volt |
| Tændingsanlæg | Rekyl start |
| Varens vægt | 72.7 pund |
| Produktdimensioner | 23.8 cm L x 12.6 cm B x 22 cm H |
9. Officiel produktvideo
Video 1: Et officielt produkt overview video from WEN, demonstrating the key features and functionality of the 4800-Watt Inverter Generator.
10. Garanti og support
Your WEN 56477i Inverter Generator is backed by a 3 års begrænset garanti. For warranty claims, technical assistance, or general inquiries, please contact WEN customer support. A nationwide network of skilled service technicians is available to assist you.





