1. Introduktion
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Generac GP2500i Portable Inverter Generator. Please read this manual thoroughly before operating the generator.

Figure 1: Generac GP2500i Portable Inverter Generator. This image shows the compact, orange and black design of the generator, highlighting its portability.
The Generac GP2500i inverter generator is designed to provide a portable power solution for various outdoor activities, including camping, tailgating, and as a backup power source. It delivers clean, stable power suitable for sensitive electronics.
- Bærbar strømløsning: Your go-to portable power source for outdoor adventures, ensuring stable power without disturbing your surroundings.
- Høj kvalitet og ensartet kraft: With TruePower Technology, this generator delivers clean power that's safe for sensitive electronics, tools, and appliances.
- Kompakt og let: Designed for easy transportation with a built-in handle, making it a breeze to move and set up.
- Brændstofeffektiv og støjsvag: Economy Mode automatically adjusts engine speeds, reducing fuel consumption and noise emissions. COsense Technology provides powerful protection against hazardous carbon monoxide.
- Smart og pålidelig: Equipped with LED indicators for low oil, overloaded, and ready-to-use. Features a USB port for device charging, and parallel-ready capability for doubling your power output.

Figure 2: The Generac GP2500i providing portable power for various activities such as tailgating, hunting, DIY projects, and during power outages. This image illustrates the versatility of the generator in different outdoor scenarios.
2. Sikkerhedsoplysninger
WARNING: Read and understand all safety precautions before operating this generator. Failure to follow these instructions can result in serious injury or death.
- Kuliltefare: Generators produce carbon monoxide, an odorless, colorless, poisonous gas. Operate generators outdoors only, far away from windows, doors, and vents.
- Fare for elektrisk stød: Do not operate the generator in wet conditions. Ensure all electrical connections are dry and secure.
- Brandfare: Fuel is highly flammable. Do not refuel while the engine is running or hot. Store fuel in approved containers in a well-ventilated area.
- Varme overflader: Generatorens motor og lyddæmper bliver meget varme under drift og forbliver varme i et stykke tid efter nedlukning. Undgå kontakt.
- COsense-teknologi: This generator is equipped with COsense Technology, which automatically shuts down the generator if hazardous levels of carbon monoxide are detected. Do not disable or bypass this safety feature.
3. Opsætning og montering
3.1 Udpakning
Carefully remove the generator and all components from the packaging. Verify that all items listed in the packing list are present and undamaged. Retain packaging for future storage or transport.
3.2 Påfyldning af motorolie
The generator is shipped without engine oil. Before first use, add the recommended type and amount of oil. Refer to the engine oil specifications section for details.
- Placer generatoren på en plan overflade.
- Find oliepåfyldningsdækslet/målepinden.
- Remove the cap and slowly pour the recommended oil into the engine until it reaches the full mark on the dipstick. Do not overfill.
- Sæt oliepåfyldningsdækslet sikkert på igen.
3.3 Påfyldning af brændstof
Use only fresh, unleaded gasoline with an octane rating of 87 or higher. Do not use E85 or any other fuel containing more than 10% ethanol.
- Sørg for, at generatoren er slukket og afkølet.
- Åbn brændstofdækslet.
- Slowly add gasoline to the fuel tank, being careful not to overfill. Leave space for fuel expansion.
- Sæt brændstofdækslet sikkert på igen.

Figure 3: Guidance on calculating power needs. This diagram helps users determine the right generator size by showing typical wattage for common appliances like coffee makers, TVs, lights, slow cookers, blenders, and cell phones.
4. Betjeningsvejledning
4.1 Start af generatoren
- Place the generator on a firm, level surface outdoors, away from any structures or vents.
- Sørg for, at brændstofventilen er i "ON"-positionen.
- Flyt chokerhåndtaget til "CHOKE"-positionen (hvis motoren er kold).
- Drej motorkontakten til "ON"-positionen.
- Træk fast i snorstarterhåndtaget, indtil motoren starter.
- Når motoren starter, skal du langsomt flytte chokerhåndtaget til "RUN"-positionen.
4.2 Tilslutning af elektriske apparater
Når generatoren kører problemfrit, kan du tilslutte dine elektriske apparater. Sørg for, at den samlede watttagstrømforbruget af tilsluttede enheder overstiger ikke generatorens driftsvandtage.
- Plug devices directly into the generator's outlets.
- For sensitive electronics, ensure the generator is in "Economy Mode" if available, or that the TruePower Technology is active for clean power.
- Do not overload the generator. Overload indicators will illuminate if the generator is overloaded.

Figure 4: Key features of the GP2500i. This image points out the quiet operation due to its fully enclosed design, the inclusion of USB ports for charging mobile devices, and its parallel-ready capability for connecting two units for increased power output (parallel kit sold separately).
4.3 Standsning af generatoren
- Frakobl alle elektriske apparater fra generatoren.
- Drej motorkontakten til "OFF"-positionen.
- Drej brændstofventilen til "OFF"-positionen.
5. Vedligeholdelse
Regelmæssig vedligeholdelse er afgørende for din generators levetid og optimale ydeevne. Sørg altid for, at generatoren er slukket og afkølet, før du udfører nogen form for vedligeholdelse.
5.1 Engine Oil Check/Change
- Kontroller oliestanden før hver brug.
- Skift olie efter de første 20 timers drift, derefter hver 100 timer eller årligt, alt efter hvad der kommer først.
5.2 Rengøring af luftfilter
- Inspect the air filter every 50 hours or monthly.
- Rengør eller udskift, hvis snavset.
5.3 Tændrørsinspektion
- Efterse tændrøret hver 100. time eller årligt.
- Rengør eller udskift om nødvendigt.
5.4 Opbevaring
For extended storage, drain the fuel tank and carburetor, or add a fuel stabilizer. Store the generator in a clean, dry place.
6. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Motoren vil ikke starte | No fuel; Low oil level; Choke not set correctly; Spark plug issue; Engine switch OFF | Påfyld brændstof; Påfyld olie; Juster choker; Undersøg/udskift tændrør; Tænd for motoren |
| Ingen strømudgang | Overbelastning; Afbryder udløst; Enhed defekt | Reduce load; Reset circuit breaker; Check device |
| Motoren kører ujævnt | Stale fuel; Dirty air filter; Spark plug issue | Tøm og fyld op med frisk brændstof; Rengør/udskift luftfilter; Inspicer/udskift tændrør |
| COsense shutdown | Høje niveauer af kulilte registreret | Flyt generatoren til et godt ventileret udendørs område. Lad den klarne, før den genstartes. |
7. Specifikationer

Figure 5: Dimensions and power ratings of the Generac GP2500i. This image shows the generator's length (19.7"), width (11.4"), and height (17.9"), along with its starting wattage (2500W), running wattage (2200W), and weight (48 lbs).
- Model: GP2500i (8251)
- Starter Wattage: 2500 watt
- Løb Wattage: 2200 watt
- Brændstoftype: Benzin
- Tankvolumen: 1 gallon
- Kørselstid: 8 timer (ved 25% belastning)
- Motortype: 4 takt
- Motorvolumen: 98 kubikcentimeter
- Voltage: 120 volt
- Frekvens: 60 Hz
- Varens vægt: 56 pund
- Produktmål (L x B x H): 19.7 cm x 11.4 cm x 17.9 cm
- Særlige funktioner: CO Sensor (COsense Technology), Portable, USB Port, Parallel-Ready

Figure 6: Comprehensive table for calculating power needs. This table lists common devices and their typical running and additional starting watts, helping users determine the total wattage required for their applications.
8. Garanti og support
Generac products are backed by a manufacturer's warranty. For specific warranty details, please refer to the warranty card included with your product or visit the official Generac webwebsted.
For customer support, technical assistance, or to inquire about protection plans, please contact Generac customer service or visit their official support channels. Protection plans are available for purchase to extend coverage beyond the standard warranty.
Du kan finde mere information og support på Generac-butik på Amazon.





