LIFAN Power USA STORM Series Assembly instructions

L I F A N P O W E R U S A
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THANK YOU FOR YOUR PURCHASE
PLEASE READ!!!!!

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Operating Instructions
And
Owner’s Manual
ENERGY STORM INVERTERS
ESI 2500iER-EFI-CSA
ESI 3100iER-EFI-CSA
50 States Compliant and Canada
Record Purchase Here
Model # ___________________________
Engine ID # _________________________
(Unique Identifier stamped on engine crankcase)
Date of Purchase ____________________
Purchase Location ___________________
PLEASE KEEP AND READ THIS MANUAL CAREFULLY BEFORE
OPERATING YOUR NEW DIGITAL INVERTER GENERATOR
(EFI) INDICATES THIS UNIT EQUIPPED WITH ELECTRONIC FUEL INJECTION
(i) INDICATES THIS UNIT WQUIPPED WITH THE AUTO IDLE FEATURE
(E) INDICATES THEI UNIT EQIPPED WITH ELECTRIC START
(R) INDICATES THIS UNIT EQUIPPED WITH REMOTE START

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PLEASE READ THE
FOLLOWING INSTRUCTIONS!
1. Unit Shipped with “NO OIL” in Engine or where applicable pumps and/or accessories. Check and fill with
proper oil as outlined in the Owner’s Manual for the respective product.
2. Fo r re pai r und er Warr an ty o r qu e stions c on cer nin g Warr an ty, DO N OT re tu r n this p r odu ct to th e Sto re
w h ere pu rc has e d. Follo w th e p r o ce du re s as outlin e d in th e “ WARRAN TY P OLICY” and “ WARRAN TY
RE G IST RA TIO N ” in th e O w n er’ s Manual. Fo r an y qu e stions v isi t www .lifanpo wer usa. c o m o r c all 1 - 866 - 471 -
7464 OPTION 1.
3. Re ad th e “O w n er’ s Manual” p r io r to op er atin g an y e quip me n t and f am ili ar i ze y ou r s e lf w ith th e p r op er
and saf e op er ation of th e e quip me nt. If y ou h ave an y qu e stions v isi t www .lifanpo wer usa. c o m o r c all 1 -
866 - 471 - 7464.
ESI 2500iER–EFI-CA ESI3100iER–EFI-CA
(EFI) INDICATED THIS UNIT EQUIPPED WITH ELECTRONIC FUEL INJECTION
(i) INDICATES THIS UNIT WQUIPPED WITH THE AUTO IDLE FEATURE
(E) INDICATES THEI UNIT EQIPPED WITH ELECTRIC START
(R) INDICATES THIS UNIT EQUIPPED WITH REMOTE START

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Automotive Type Electronic Fuel Injection System
EnergyStorm EFI computer-controlled fuel and ignition system
This generator has a computer-controlled fuel and ignition system. An on-board computer, referred to in this
manual as an ECU (Engine Control Unit) utilizes a series of virtual maps (lookup tables) that provide values for
various aspects of engine performance. The ECU analyzes data provided through the various engine sensors to
determine the best combination of values from these lookup tables to provide optimum performance. This is
communicated to the generator components through the use of digital signals. This is in contrast to non-
computer-controlled ignition systems that rely on mechanical feedback, and sometimes vacuum, to control the
motion of the various components.
The Electronic Fuel Injection (EFI) system provides increased efficiency over carbureted fuel systems. In a
carbureted fuel system, the fuel and air are mixed in a carburetor that relies on a mechanical choke system
controlling the rate of air intake to maintain the vacuum necessary to mix the fuel with air for combustion.
In a fuel injection system, the ECU calculates and adjusts the fuel mixture directly, based on real-time feedback,
allowing for greater fuel and emissions efficiency. The ECU also controls the timing for the spark plug,
dynamically controlling the speed of the engine depending on requirements for powergeneration.
When there is a problem reported by a generator component (such as an engine sensor), the ECU stores a fault
code for it. These fault codes can be read in the Wattage (P) field of the digital display, and then used to identify
the issue and correct it. For more information on fault codes and how to access them, refer to the Fault codes
section of thismanual. For more information on the digital display and its use, refer to the Digital display section
of this manual.

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Table of Contents
Preface 6
Product Specifications 7
Generator/Safety Instructions 8
Controls and Features 13
PRE -- OPERATING IN STRUCTIONS 17
Assembly 17
Generator Setup 18
Understanding Your Battery 22
Operation of Generator 25
Storing the Unit 31
Maintenance 32
Transporting The Generator 37
Long Term Storage 38
Troubleshooting 39
Wattage Chart 47
Limited Warranty Policy 51
Appendix 54
Wiring / Exploded View Diagrams 55

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Preface
Thank you for choosing LIFAN Power USA for your Power Equipment Needs. LIFAN Power USA prides itself on
providing quality products at affordable pricing, creating the “Best Equipment Value on Today’s Market!”
All LIFAN Power USA products are manufactured utilizing the latest technology as seen with your new EFI technology.
Built with quality components, your new Power Equipment Product will give you years of dependable service. Your
unit, along with all of LIFAN Power USA products are designed, engineered, and manufactured with an Industrial
Grade Gasoline Engine.
This Owner’ s Manual will provide you with all of your needed information for your new Power Equip ment Pro du ct,
including Safe Operation and Maintenance of your unit. Please read this Owner’ s Manual completely and
carefully prior to operation. Keep this Owner’ s Manual for assistance in the future, such as proper maintenance
schedules and tips to prolong the life and effective use of your unit. If you require assistance, please visit our
website (www.lifanpowerusa.com) or call toll free 866 -- 471 -- 7464.
This Owner’s Manual contains information with respect to the newest products at the time of publication. Due to
revision and modifications, the information noted in the Owner’s Manual might vary from the actual status. This
Owner’s Manual is subject to change without notice. The copyright of this Owner’s Manual belongs to EquipSource,
LLC. Any group or individual is forbidden to reprint or copy any of this Owner’s Manuals without the written consent
of EquipSource, LLC.
FOR ALL WARRANTY AND SERVICE RELATED ISSUES/QUESTIONS DO NOT RETURN Y OUR UNIT TO THE STORE OR
DEALER WHERE THE ITEM WAS PURCHASED. FOR SERVICE VISIT LIFAN POWER USA’S WEBSITE
( WWW.LIFANPOWERUSA.COM) OR CALL 1 --‐ 866 --‐ 471 --‐ 7464, option 2. WE WILL BE HAPPY TO HANDLE Y OUR
WARRANTY ISSUE OR DIRECT Y OU TO THE NEAREST “AUTHORIZED SERVICE CENTER.”

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Specifications
ENERGY STORM INVERTER GENERATORS
Model Size
ESI 2500iER-EFI-CA ESI 3100iER-EFI-CA
Voltage 120V AC 120V AC
AC Surge Output
1 2500Watts 3100 Watts
Rated AC Output
2 2400Watts 2900 Watts
Maximum ACAmperage 20 amps 22 amps
AC Cycle 60 Hertz 60 Herts
120V 20amp AC Receptacle 2 ea. 2 ea.
Parallel “Duo Power”Ready Yes. Yes
Sine Wave Distortion
2% or Less 2% or Less
Auto IdleFeature Power On Demand Power on Demand
AC OverloadProtection Yes Yes
Exhaust SparkArrestor
3
Yes Yes
ENGINE
DIMENSIONS
ACCESSORIE
SuitecaseTypePulloutHandle
SuitecaseTypePulloutHandle

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Generator Safety
1. Never operate gasoline engine powered products in any enclosed spaces, as they product deadly Carbon
Monoxide Poisonous Gases.
2. Never hook a generator directly to your home circuit without the proper installation by a Licensed
Electrician and without the proper power transfer devices.
3. Do NOT operate your power equipment in inclement weather such asrain, snow, and/or sleet.
4. Do NOT operate your power equipment within five (5) feet of any flammable materials.
5. Wh en refuel in g th e power equipment never smoke or refuel near any flame or ignition devices. Never
refue l w hile the unit is r unning . If during the refue ling proce ss some fue l is spilled, always com ple te ly cle an
the fue l and allow suf ficie nt dr yin g ti me p ri o r to re --‐ startin g th e unit. G asoline v apors ignite e asily and are
ver y dange r ous.
6. These units, ESI2500iER-EFI-CA and ESI3100iER-EFI-CA are parallel connection ready.
7. Do NOT lengthen the exhaust pipe or vent it with any extension.
8. Use SJ or SJO type extension cords if necessary.
9. Do not use extension cords exceeding: 16 Gauge, 200ft or 10 Gauge, 330ft.
10. NEVER ALLOW CHILDREN OR ANIMALS TO BE NEAR THIS EQUIPMENT DURING OPERATION. ONLY
QUALIFIED PERSONS SHOULD OPERATE THIS EQUIPMENT. FOLLOW ALL GUIDELINES CONTAINED IN
this manual.
Hazard Symbols and Meanings

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SAFETY RULES
For your safety read this manual carefully. The proper operation
care and maintenance of your Lifan generator.
The safety and alert symbol ( A ) is used with a signal word
(CAUTION, DANGER, WARNING), a pictorial and/or safety message
alert you to hazards. CAUTION indicates a hazard which, if not
avoided could be harmful.
Do not use this generator within the generator
Compartment of a recreational vehicle!
is
WARNING!
sprains,
Devices
Only can safely
Connect hookups. Failure
can
Do
Do
Do .
excessively
Do
Explosion
Fire
Electrical
Shock
be
from entering confined areas
exhaust windows
perating this inside
likely
WARNING
engine
contains
California

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WARNING!
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
WHEN ADDING OR DRAINING FUEL
 Turn generator off and let it cool for at least three minutes before removing fuel cap. Loosen cap slowly in order to
relieve pressure in the fuel tank.
 Fill or drain fuel tank outdoors. Do not excessively inhale fuel vapors.
 Keep away from open flames or sparks and other sources of ignition.
 Do NOT smoke while filling fuel tank.
 Do NOT overfill tank. Allow space for fuel expansion.
WHEN TRANSPORTING OR REPAIRING EQUIPMENT
 Transport generator with the fuel valve in the off position.
 Repair generator with the fuel tank empty or the fuel valve in the off position.
 Disconnect spark plug wire before transport or service.
WHEN STORING FUEL OR EQUIPMENT CONTAINING FUEL
 Store away from furnaces, stoves, water heaters, clothes dryers or other appliances that have pilot light or other
ignition source because they can ignite fuel vapors.
WHEN STARTING EQUIPMENT
 Ensure spark plug, muffler, air cleaner, and fuel cap are in place.
 Do NOT crank engine with spark plug removed.
 If fuels spills, wait until it evaporates before starting engine.
WHEN OPERATING EQUIPMENT
 Do not choke carburetor to stop engine.
 Do not tip engine or equipment at an angle, which causes fuel to spill.
 This generator is not for use in marine applications.
CAUTION!
Excessively high operating speeds (engine revolutions) increase the risk of injury and damage to the generator. Excessively low speeds
impose a heavy load and will damage generator.
 Do NOT adjust engine speed governor. Generator supplies correct voltage and frequency at designated speed.
 Modifying generator in any way may be dangerous and will void warranty.

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WARNING!
While engine is running temperature may exceed 150°F (65°C). Server
burns may occur.
Exhaust heat/gasses can ignite combustibles, structures or damage fuel tank causing a fire.
 Do NOT touch hot surfaces and do avoid exhaust gasses.
 Allow generator to cool before touching.
 Keep at least 7 ft. (183cm) clearance on all sides of generator including overhead clear.
 Reflective exhaust heat may damage fuel tank causing fire.
 Code of Federal Regulation(CFR) Title 36 Parks, Forests, and Public Property require equipment powered by an internal combustion
engine to have a spark arrester, maintained in working order, complying to USDA Forest service standard 5100 - 1c or later revision. In the
state of California a spark arrester is required under section 4442 of the California Public resources code.
WARNING!
Unintentional sparking can result in fire or electrical
shock.
WHEN TESTING FOR ENGINE SPARK
 Do NOT check for spark with the spark plug removed.
 Use approved spark plug tester.
WHEN REPAIRING OR ADJUSTING GENERATOR
 Disconnect the spark plug wire from the spark plug and place the wire where it cannot contact spark plug.
CAUTION!
Improper use and care of this generator will cause damage and shorten its lifespan. Failure to follow these actions will void all warranties.
 Use generators only for appropriate and designated purposes.
 The dealer or customer helpline (1 - 866 - 471 - 7464) can instruct you on intended uses.
 Generator must be placed on a level surface.
 Do NOT expose generator to extreme conditions. Excessive dust, moisture, and corrosive vapors will damage unit.
 Cooling slots must be kept clear of debris.
 Do not connect improperly operating devices to generator.
 Shut off generator and take to a qualified service center if the generator fails to operate properly.

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Safety Instructions (continued)
WARNING!
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
WHEN ADDING OR DRAINING FUEL
 Turn generator off and let it cool for at least three minutes before removing fuel cap. Loosen cap slowly in order to
relieve pressure in the fuel tank.
 Fill or drain fuel tank outdoors. Do not excessively inhale fuel vapors.
 Keep away from open flames or sparks and other sources of ignition.
 Do NOT smoke while filling fuel tank.
 Do NOT overfill tank. Allow space for fuel expansion.
WHEN TRANSPORTING OR REPAIRING EQUIPMENT
 Transport generator with the fuel valve in the off position.
 Repair generator with the fuel tank empty or the fuel valve in the off position.
 Disconnect spark plug wire before transport or service.
WHEN STORING FUEL OR EQUIPMENT CONTAINING FUEL
 Store away from furnaces, stoves, water heaters, clothes dryers or other appliances that have pilot light or other
ignition source because they can ignite fuel vapors.
WHEN STARTING EQUIPMENT
 Ensure spark plug, muffler, air cleaner, and fuel cap are in place.
 Do NOT crank engine with spark plug removed.
 If fuels spills, wait until it evaporates before starting engine.
WHEN OPERATING EQUIPMENT
 Do not choke carburetor to stop engine.
 Do not tip engine or equipment at an angle, which causes fuel to spill.
 This generator is not for use in marine applications.
CAUTION!
Excessively high operating speeds (engine revolutions) increase the risk of injury and damage to the generator.
Excessively low speeds impose a heavy load and will damage generator.
 Do NOT adjust engine speed governor. Generator supplies correct voltage and frequency at designated speed.
 Modifying generator in any way may be dangerous and will void warranty.

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Controls and Features
Read this Owner’s Manual completely and carefully before Operating Generator
ESI 2500iER-EFI-CA ESI 3100iER-EFI-CA
5-Function Digital Gauge (See pg 46 For Details)

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Controls and Features (continued)
Read this Owner’s Manual completely and carefully before Operating Generator.
Model - ESI 2500iER-EFI-CA
Control Panel
Fuel Switch
Fuel Tank Cap
Recoil Start
ESI 2500iER
Right Access Panel
Left Access Panel
Rear Vent

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Controls and Features (continued)
Read this Owner’s Manual completely and carefully before Operating Generator.
Model - ESI 3100iER-EFI-CA
Control Panel
Rear Wheels
Left Access Panel
Recoil Start
Fuel Tank Cap
Left Access Panel
Rear Vent

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Legend
1. Control Panel-Varies between each model.
2. Left Access Cover-Remove for Maintenance - Air Cleaner Element, etc.
3. Fuel tank Cap-Openin g to fuel tank for re -- fueling.
NOTE: Ensure Fuel Tank Cap is securely fastened before use.
4. Muffle Cover-Plastic Grating covering muffler
5. Right Access Cover-Remove for Maintenance –Oil Change, etc.
6. Recoil Start Handle-Manual start for ESI 2500iER & ESI 3100iER models.
AUTO IDLE CONTROL SWITCH:
This unit is equipped with an Auto Idle Control feature. The generator will automatically switch to “Gas -- Saving”mode
when there is no power or load required. Upon demand, the inverter generator will enhance engine speed
automatically to provide the correct electrical pow er the connected device requires. The Auto Idle Control feature
minimizes fuel consumption and reduces noise levels.
Turn the AUTO IDLE CONTROL feature “OFF” when:
 High Electrical Loads are connected simultaneously to reduce voltage changes.
 The Equipment connected to the inverter generator requires full po wer at start - up. Example: Power Tools
and other equipment with electric motors.
 Inverter Generator is working at a constant rated power output
 Your inverter generator will only run at speed required to produce power demanded.

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Pre --‐ Operating Instructions: Assembly
Your LIFAN Power USA generator is packaged without fuel and oil. Some assembly is required before operating your
LIFAN Power USA Generator.
BOX CONTENT:
 Generator
 Accessory Kit
oSpark Plug Removal Tool
o1 ea. –Oil Drain Tube
o1 ea. –Oil Fill Bottle
o1 ea. - 12V Trickle Battery Charger
oOwner’s Manual and Warranty Card
UNPACKING THE GENERATOR:
1. Set the Carton on a Flat, Rigid Surface.
2. Remove All Contents from Carton EXCEPT Inverter Generator.
3. Open Box Completely by lifting box cover.
4. Carefully lift the Inverter Generator off the remaining box and onto the Flat, Rigid Surface.
Duo Power Parallel connection Feature
Both the ESI 2500iER-EFI and ESI 3100iER-EFI come with Parallel connection capability as a Standard feature. With the
optional Parallel Connection “Duo Power” Control Box (Part #ESPPC) sold seperatly, you can Parallel connect 2 Energy
Storm Digital Invertors Generators together to achieve the combined wattage of both units. I.e. parallel connect 2-ESI
2500iER-EFI units and achieve 5000 watts, 2-ESI 3100iER_EFI units and achieve 6200 watts or mix and match the ESI
2500iER-EFI and ESI 3100iER-EFI together and achieve 5600 watts.
ESPPC Parallel connection

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Pre --‐ Operating Instructions: Generator Setup
CAUTION: Any attempt to start the generator before it has been properly serviced may result in engine failure and
void warranty.
ADD ENGINE OIL: Refer to the diagrams below.
1. Place generator on level surface.
2. Remove the left Access Panel (Refer to Controls and Features section).
3. Clean area around Oil Hole Dipstick/Plug & Unscrew Oil Hole Dipstick/Plug.
4. Use Supplied Funnel to fill with appropriate type and amount of oil using Oil Fill Bottle. Refer to Chart below for
recommended oil type based on Environmental te m p e r at u r e . NOTE: Refer to “Product Specifications”
section for universal recommendedoil type and oil amount.
5. Replace Oil Hole Dipstick/Plug and tighten securely.
6. Replace the Right Access Panel.
ESI2500-EFI-CA (Left side access panel) ESI3100-EFI-CA (Left side access panel)

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Pre --‐ Operating Instructions: Generator Setup
WARNING!
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
WHEN ADDING FUEL
 Turn generator off and let it cool for a minimum of three minutes before removing fuel cap. Turn and remove cap
slowly in order to relieve residual tank pressure.
 Always fill the fuel tank with the unit outdoors.
 DO NOT overfill tank. Allow room for fuel expansion.
 Keep fuel away from sparks, open flames, heat, pilot lights, and other ignition sources.
ADD FUEL: Refer to Controls and Features section for diagrams.
1. Clean area around fuel cap, then remove fuel cap.
2. Pour fresh, clean regular automotive grade unleaded fuel with a minimum octane rating of 85 into
fuel tank. Do NOT mix fuel with oil. Fuel must have ethanol blend of 10% or less. Pay close attention to
the storage requirementsof these fuels. Do NOT overfill fuel tank.
3. Install the fuel cap. Rotate the fuel cap clockwise until it is in its lockedposition. Wipe away any
spilled fuel.
CAUTION: Alcohol -- blend ed fuels (gasohol, ethanol, or methanol) will attract moisture, which leads to
s epa ration and formation of acids during storage. Acidic gas can damage the fuel system of an engine while in
storage. To avoid engine problems, the fuel system should be treated with a fuel stabilizer or drained if the
generator will not be started for thirty ( 30 ) days. If using a fuel stabilizer, follow the manufacturer ’ s
recommended instructions for use.