WEN DF480iX
4000 W, dual-fuel
Firman W03382
Generator. Specs from the manufacturer page (checked ).
The Firman W03382 is a portable inverter generator rated at 3,300 running watts and 3,650 starting watts at 120V. It has a 193cc engine, a 1.8-gallon fuel tank that runs up to 9 hours at 25% load, and less than 3% THD output. The text states 58 dB at 25% load.
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Running
3300W
Peak / surge
3650W
Key features
- 3,300 running watts and 3,650 starting watts at 120V
- Less than 3% THD output
- 193cc FIRMAN engine with Whisper Series muffler, 58 dB at 25% load
- Eco Mode automatically adjusts engine speed to reduce fuel consumption
- 1.8-gallon fuel tank, up to 9 hours runtime at 25% load
- Outlets: 5-20R 120V 20A duplex, TT-30R 120V 30A RV twist-lock (27.5A/120V/3300W), USB-A (2.1A/5V DC/10W), 12V DC port (8.3A/12V DC/100W)
- Electric start with recoil backup
What it is for
- RV trips
- camping
- tailgating
- home backup
Specifications
| Running watts | 3300 W |
|---|---|
| Peak / surge | 3650 W |
| Tank | 6.81 L (1.8 gal) |
| AC output voltage | 120V |
From the Firman page. Values the manufacturer does not publish are left out.
What is in the box
- engine oil
- oil funnel
- spark plug wrench
- screwdriver
- 12V battery cable
- floater charger
- quick oil drain
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Honda EU3200i
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Firman W03382 comparisons
- W03382 vs WEN DF480iX
- W03382 vs WEN DF475T
- W03382 vs Anker SOLIX Smart Generator 5500
- W03382 vs Pulsar GD400BN
- W03382 vs Honda EU3200i
Connection and wiring
Follow the diagrams in the Firman manual. Connecting to a home panel needs a transfer switch or interlock and a licensed electrician.
Open the Firman manual (PDF) →
Error codes and troubleshooting
| Code | Meaning | What to do | Manual page |
|---|---|---|---|
| Circuit Breakers | The receptacles are protected by an AC circuit protector that trips if the generator is overloaded or an external short circuit occurs. | Disconnect all electrical loads and determine the cause before using the generator again. If overloading caused the trip, reduce the load. Reset by pressing the protector button. Continuous tripping may damage the generator or equipment. | 8 |
| Oil Warning Indicator Light | Indicates the oil has fallen below the minimum level. The engine stops automatically and will not start until the proper amount of oil is in the crankcase. | Check the oil level when this light turns on. Add the proper amount of engine oil to the crankcase before attempting to start the engine. | 8 |
| Overload Indicator Light | Connected devices have exceeded the generator's wattage or amperage capacity, or a power surge occurred. The AC Power light goes off, the engine keeps running, and power to the receptacles is cut. | Keep the total power drawn from all receptacles within the nameplate rating. | 8 |
| Circuit Breaker | The receptacles are protected by an AC circuit protector that trips if the generator is overloaded or an external short circuit occurs. | Disconnect all electrical loads and find the cause before using the generator again. If overloading caused the trip, reduce the load. Reset by pressing the button on the protector. Continuous tripping may damage the generator or equipment. | 9 |
| Output Ready | Stays on during normal operation. Turns off when the generator is overloaded. | — | 9 |
| AC Reset | The inverter has entered a protective state and AC output is interrupted. | Press the AC Reset Button to restore the output. | 12 |
6 of 13 codes. From the Firman manual. All 13 WH03242 / T09371 / H07553 / W03083 codes →
FAQ
Can the Firman W03382 start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 3650 W peak. That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.