Model: WH02942 | Brand: Firman
Welcome to the user manual for your FIRMAN WH02942 Dual Fuel Inverter Portable Generator. This guide provides essential information for safe and efficient operation, maintenance, and troubleshooting of your generator. Please read this manual thoroughly before operating the unit to ensure proper use and longevity of your product.
The FIRMAN WH02942 is designed for versatility and portability, offering reliable power for various applications, from camping and tailgating to emergency home backup. Its dual-fuel capability allows operation on either gasoline or propane, providing flexibility and convenience.
Familiarize yourself with the main components and control panel of your FIRMAN WH02942 generator. The intuitive design ensures ease of use and access to all necessary functions.
Figure 1: Front view of the FIRMAN WH02942 generator, highlighting the control panel with various outlets and switches.
The control panel includes the fuel valve knob, LPG hose quick connect inlet, recoil starter, engine start switch, 3-in-1 data-minder (multi-meter), TT-30R 30A outlet, 120V 20A duplex outlets, USB DC outlet, and 12V DC output. Refer to the detailed diagram in your printed manual for specific labeling.
Figure 2: Detailed view of the control panel and its functions.
Your FIRMAN WH02942 generator comes with the following accessories to get you started:
Figure 3: Contents included with your generator.
The FIRMAN WH02942 comes with a wheel kit and folding handle for enhanced portability. Follow these steps for assembly:
Your generator is shipped without engine oil. It is crucial to add the correct amount and type of oil before the first start-up.
Important: Operating the generator without sufficient oil will cause severe engine damage and void the warranty.
The FIRMAN WH02942 is a dual-fuel generator, capable of running on either unleaded gasoline or liquid propane (LP) gas.
Figure 4: Generator set up for propane operation.
Once the generator is running smoothly, you can connect your electrical devices. Ensure the total wattage of connected devices does not exceed the generator's running wattage (2900W for gasoline, 2600W for LPG).
Figure 5: Examples of items the generator can power.
The Eco-Mode switch allows the generator to automatically adjust engine speed to match the load, improving fuel efficiency and reducing noise levels when less power is required. To activate Eco-Mode, simply press the "ECO" button on the control panel.
Figure 6: Quiet operation of the generator.
Regular maintenance is essential to ensure the long life and reliable performance of your FIRMAN WH02942 generator. Always perform maintenance with the engine off and cooled.
| Item | Before Each Use | Every 25 Hours or Annually | Every 100 Hours or Annually |
|---|---|---|---|
| Check Engine Oil Level | ✓ | ||
| Clean Air Filter | ✓ | ||
| Inspect Spark Plug | ✓ | ||
| Change Engine Oil | (First 25 hours) | ✓ | |
| Check Fuel Filter | ✓ |
For long-term storage (over 30 days), proper preparation is crucial:
This section provides solutions to common issues you might encounter with your FIRMAN WH02942 generator. For problems not listed here, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine will not start | No fuel, old fuel, low oil, spark plug issue, choke position incorrect. | Check fuel level and type, add fresh fuel, check oil level, inspect spark plug, adjust choke. |
| Generator produces no power | Overload, circuit breaker tripped, Eco-Mode engaged with high load. | Reduce load, reset circuit breaker, disengage Eco-Mode for higher loads. |
| Engine runs rough or stalls | Stale fuel, clogged fuel filter, dirty air filter, incorrect choke. | Drain old fuel and add fresh, clean/replace fuel filter, clean air filter, adjust choke. |
| Excessive noise | Loose components, muffler issue, operating at high load without Eco-Mode. | Check for loose parts, inspect muffler, engage Eco-Mode if applicable. |
Detailed technical specifications for the FIRMAN WH02942 Dual Fuel Inverter Portable Generator:
| Specification | Value |
|---|---|
| Model Name | Dual Fuel Inverter Portable Generator |
| Item Model Number | WH02942 |
| Starting Wattage (Gasoline) | 3200 Watts |
| Running Wattage (Gasoline) | 2900 Watts |
| Running Wattage (LPG) | 2600 Watts |
| Fuel Type | Gasoline, Propane (LPG) |
| Fuel Tank Capacity | 1.8 Gallons |
| Run Time (Gasoline, 25% load) | Up to 9 Hours |
| Noise Level | 58 dB |
| Engine Type | 4 Stroke, 171cc OHV Max-Pro Series |
| Voltage | 120 Volts |
| Frequency | 60 Hz |
| Start Type | Electric Start, Recoil Start |
| Outlets | TT-30R 30A (RV-Ready), 2x 120V 20A, USB Port, 12V Port |
| Item Weight | 90 Pounds |
| Product Dimensions (L x W x H) | 23.2" x 17.8" x 17.9" |
| Material | Iron & Cast Iron, Plastic |
| UPC | 840876129425 |
Figure 7: Generator dimensions and weight.
FIRMAN generators are backed by a comprehensive warranty. The FIRMAN WH02942 typically includes a 3-year protection plan. This warranty covers defects in materials and workmanship under normal use and service. For specific terms and conditions, please refer to the warranty card included with your product or visit the official Firman website.
Extended protection plans may also be available for purchase, offering additional coverage beyond the standard warranty period.
Should you require assistance with your FIRMAN WH02942 generator, including technical support, parts, or warranty claims, please contact Firman Power Equipment customer service. Have your model number (WH02942) and serial number ready when contacting support to ensure efficient service.
For the most up-to-date contact information and resources, please visit the official Firman website or refer to the contact details provided in your product packaging.
![]() |
FIRMAN WH02942 Dual Fuel Inverter Generator Owner's Manual This owner's manual provides comprehensive guidance on the safe operation, maintenance, and troubleshooting of the FIRMAN WH02942 Dual Fuel Inverter Generator, including safety warnings and warranty information. |
![]() |
FIRMAN WH02942 Dual Fuel Inverter Generator Owner's Manual This owner's manual provides essential information on the safe operation, maintenance, and troubleshooting of the FIRMAN WH02942 Dual Fuel Inverter Generator. Learn about its features, specifications, and how to use it effectively. |
![]() |
FIRMAN WH02942 Manuel du Propriétaire - Générateur Portable Manuel d'utilisation et de sécurité pour le générateur portable FIRMAN WH02942. Inclut les spécifications, les instructions d'opération, le dépannage et les informations de maintenance. |
![]() |
Firman Quick Start / Stop Guide for Portable Generator Concise guide to quickly start and stop your Firman portable generator, including safety information, setup, and operation instructions. |
![]() |
FIRMAN WH03344 Dual Fuel Inverter Generator Operator's Manual Comprehensive operator's manual for the FIRMAN WH03344 Dual Fuel Inverter Generator. Covers features, safe operation, maintenance, troubleshooting, and specifications for gasoline and LPG use. |
![]() |
FIRMAN WH03242 Dual Fuel Inverter Generator Operator's Manual Comprehensive operator's manual for the FIRMAN WH03242 Dual Fuel Inverter Generator, covering safe operation, maintenance, troubleshooting, and specifications for both gasoline and LPG fuel types. |