Firman P03615 User Manual

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P/N:336745464 Rev:02

OWNER’S MANUAL

Read all safety precautions and instructions carefully

before operating equipment.

Ensure engine is stopped and level before performing

any maintenance or service.

IMPORTANT:

Serial Number:

MODEL NUMBER

P 0 3 6 1 5

Rev Level:00

DO NOT RETURN TO

STORE!

CALL US FIRST!

CUSTOMER HOTLINE

1-844-347-6261

FOR QUESTIONS OR SERVICE

INFORMATION

Purchase Date:

Table of Contents

Questions and Answers:

N
nguyentiffanyAug 3, 2025
Why won't my Firman Inverter start?
- E
  Elizabeth GuzmanAug 3, 2025
  Your Firman Inverter might not start due to several reasons: the oil level might be low, so fill the crankcase to the proper level and place the generator on a level surface; the fuel tank might be empty, so fill it with gasoline; the spark plug might be bad, so replace it; the spark plug wire might not be connected, so connect it; the fuel filter might be clogged or dirty, so clean or replace it; the battery power might be low, so charge or replace the battery; the choke might be in the wrong position, so adjust it; or the spark arrester might be clogged, so clean or replace it.
D
debra23Aug 9, 2025
What to do if my Firman Inverter engine is running but there is no AC output?
- T
  Timothy CaseyAug 9, 2025
  If your Firman Inverter's engine runs but there's no AC output, the issue could be due to several reasons. First, the circuit breaker may be open, so reset it. Second, the overload light might be on, so review the load and restart the unit. Third, there might be a poor connection or a defective cord set, so check all connections and the cord set. Finally, the connected device might be faulty, so replace it.
M
meyersmaryAug 14, 2025
How to fix a Firman Inverter engine that lacks power?
- D
  Daniel MurphyAug 15, 2025
  If your Firman Inverter engine lacks power, consider these potential causes: the load might be too high, so check and adjust it; the air filter might be dirty, so clean or replace it; the fuel filter might be clogged or dirty, so clean or replace it; the spark arrester might be clogged, so clean or replace it; the engine might be overheating, so check for air restriction and move to a well-ventilated area; or the choke might be in the wrong position, so adjust it.
T
Tracy PowellAug 21, 2025
Why does my Firman Inverter engine bog down when a load is connected?
- S
  Sabrina JohnsonAug 21, 2025
  If your Firman Inverter engine runs well without a load but bogs down when loads are connected, it could be due to a clogged or dirty fuel filter (clean or replace it), a clogged fuel line (clean it), the generator being overloaded (check and adjust the load), or a clogged spark arrester (clean or replace it).
B
brooksmichelleAug 27, 2025
What causes a Firman Inverter engine to hunt or falter?
- D
  Donald GilbertAug 27, 2025
  A Firman Inverter engine may hunt or falter if the fuel filter is clogged or dirty; in this case, you should clean or replace the fuel filter. Another possible reason is that the fuel tank is low, so add fuel.

Firman P03615 Specifications

General

Type	Inverter Generator
Fuel Type	Gasoline
Engine Displacement	208cc
Fuel Tank Capacity	1.8 Gallons
Run Time at 50% Load	6 Hours
Noise Level	58 dBA
Weight	45 lbs
Engine Type	4-Stroke
Rated Power	3300 Watts
Starting Power	3650 Watts
Starting Watts	3650 Watts
Running Watts	3300W
Run Time at 25% Load	9 Hours
Dimensions	17.7 x 20.5 inches
Starting System	Recoil
Rated AC Output	3300W
Max AC Output	3650 Watts
DC Output	12V

Summary

INTRODUCTION

SAFETY PRECAUTIONS

POISONOUS GAS HAZARD

Details hazards of carbon monoxide gas from generator exhaust.

SAFE USAGE PRACTICES

CORRECT AND INCORRECT USAGE

Guidance on safe generator placement and prohibited locations.

EQUIPMENT HANDLING AND STORAGE SAFETY

OPERATING, TRANSPORTING, AND STORING SAFETY

Safety guidelines for operating, transporting, repairing, and storing the generator.

OPERATIONAL AND MAINTENANCE SAFETY

FUELING AND STARTING SAFETY

Safety procedures for fueling and starting the generator.

REPAIR AND TESTING SAFETY

Safety precautions for generator maintenance, repairs, and spark testing.

UNPACKING AND PARTS

UNPACKING THE GENERATOR

Instructions for opening the carton and removing generator and accessories.

PARTS INCLUDED

Lists the components included with the gasoline powered generator.

REMOVAL OF SHIPPING SUPPORTS

ASSEMBLY

INSTALL THE WHEEL KIT

Step-by-step guide for attaching the wheels to the generator.

INSTALL THE HANDLE

Instructions for mounting and securing the generator handle.

INSTALL THE SUPPORT LEG

Steps to attach the support leg to the generator frame.

BATTERY CABLE CONNECTION

CONTROLS AND FEATURES

CONTROL PANEL DETAILS

ENGINE START AND MONITORING

Engine start switch and multi-meter for monitoring generator status.

CIRCUIT BREAKERS AND POWER OUTLETS

Overview of circuit breakers and various power receptacles.

120V RV AND USB PORTS

Information on RV receptacle and DC USB ports.

CONTROL PANEL SPECIFICS

VOLTAGE SELECTION AND RECEPTACLES

Details on voltage selector, 12V DC, and AC outlets.

INDICATORS AND CONNECTIVITY

Information on LED lights, ground terminal, and remote start indicator.

REMOTE CONTROL PROGRAMMING

SPECIFICATIONS

ADD ENGINE OIL

LOW OIL SHUTDOWN

Explanation of the automatic engine shutdown feature due to low oil.

ADD FUEL

OPERATION AT HIGH ALTITUDE

How altitude affects generator performance and required adjustments.

GROUNDING AND ELECTRICAL CONNECTIONS

GROUNDING REQUIREMENTS

Importance of proper generator grounding to prevent electric shock.

CONNECTING TO BUILDING'S ELECTRICAL SYSTEM

Guidelines for safely connecting the generator to a building's electrical system.

OPERATION

GENERATOR LOCATION

Guidelines for selecting a safe and proper location for generator operation.

SURGE PROTECTION

Recommendations for protecting electronics from voltage fluctuations.

STARTING THE GENERATOR (RECOIL START)

STARTING THE GENERATOR (ELECTRIC AND REMOTE START)

MAINTENANCE AND STORAGE

ENGINE MAINTENANCE

CHANGE ENGINE OIL

Procedure for changing the engine oil, including safety and disposal.

AIR FILTER MAINTENANCE

Instructions for cleaning or replacing the air filter element.

SPARK PLUG AND FUEL STRAINER MAINTENANCE

SPARK PLUG MAINTENANCE

Guide on inspecting, adjusting, and replacing the spark plug.

CLEANING FUEL STRAINER

Steps for cleaning the fuel strainer to ensure proper fuel flow.

INSPECT MUFFLER AND SPARK ARRESTER

Instructions for inspecting the muffler and spark arrester for damage or blockage.

GENERATOR MAINTENANCE

CLEAN OR REPLACE SPARK ARRESTER

Procedures for cleaning carbon deposits from the spark arrester.

BATTERY REPLACEMENT

Steps for safely replacing the generator's battery.

SERVICE AND STORAGE

INFREQUENT SERVICE

Tips for starting the generator if used infrequently.

LONG TERM STORAGE

Procedures for preparing the generator for long-term storage.

STORAGE PROCEDURES

TROUBLE SHOOTING

PARTS DIAGRAM AND PARTS LIST

ENGINE PARTS DIAGRAM

PARTS LIST

SERVICE INFORMATION

WARRANTY QUALIFICATIONS

Conditions and requirements for FIRMAN generator warranty.

WARRANTY EXCLUSIONS

Specific conditions and parts not covered by the warranty.

WARRANTY TERMS AND CONDITIONS

INSTALLATION, USE AND MAINTENANCE EXCLUSIONS

Situations where the warranty does not apply due to misuse or improper installation.

OTHER EXCLUSIONS

List of items and conditions excluded from warranty coverage.

WARRANTY LIMITATIONS

FIRMAN's disclaimer of liability for loss of time, freight, or incidental/consequential claims.

EMISSION CONTROL SYSTEM WARRANTY

OWNER'S WARRANTY RESPONSIBILITIES

Owner's responsibilities for maintenance and proper use to maintain warranty.

GENERAL EMISSIONS WARRANTY COVERAGE

Coverage details for emissions-related parts and their warranty period.

PARTS COVERED BY WARRANTY

WARRANTY LIMITATIONS

Conditions and damages excluded from the Emission Control Systems Warranty.

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