Table of Contents

Safety

Inside Front Cover

Section 1:

 

 

Generator Fundamentals

3-7

Magnetism

3

Electromagnetic Fields

3

Electromagnetic Induction

3

A Simple AC Generator

4

A More Sophisticated AC Generator

4

Field Boost

6

Generator AC Connection System

6

Section 2:

 

 

Major Generator Components

8-11

Rotor Assembly

8

Stator Assembly

8

Brush Holder

9

Excitation Circuit Components

9

Crankcase Breather

10

Control Panel Component Identification.. 11

Section 3:

 

 

Insulation Resistance Tests

12-14

Effects of Dirt and Moisture

12

Insulation Resistance Testers

12

Drying the Generator

12

Cleaning the Generator

12

Stator Insulation Resistance

13

Testing Rotor Insulation

14

The Megohmmeter

14

Section 4:

 

 

Measuring Electricity

15-17

Meters

15

The VOM

15

Measuring AC Voltage

15

Measuring DC Voltage

15

Measuring AC Frequency

15

Measuring Current

16

Measuring Resistance

16

Electrical Units

17

Ohm’s Law

17

Section 5:

 

 

Engine DC Control System

18-26

Introduction

18

Operational Analysis

18-21

Printed Circuit Board

22

Battery

22

7.5 Amp Fuse

23

Start-Stop Switch

23

Starter Contactor Relay

 

& Starter Motor

24

Section 6:

 

Troubleshooting Flowcharts

25-34

If Problem Involves AC Output

25

Problem 1 –

 

Voltage & Frequency are Both

 

High or Low

25

Problem 2 –

 

Generator Produces Zero Voltage or

 

Residual Voltage (5-12 VAC)

26-27

Problem 3 –

 

Excessive Voltage/Frequency Droop

 

When Load Is Applied

27

Problem 4 –

 

Engine Overspeed Warning Code

 

Flashing on SW1 LEd (4 Flashes)

28

Problem 5 –

 

Priming Function Does Not Work

 

(Gasoline Models)

28

Problem 6 –

 

Engine Will Not Crank

29

Problem 7 –

 

Engine Cranks but Will Not Start

 

(Gasoline Units)

30

Problem 7 –

 

Engine Cranks but Will Not Start

 

(LP Units)

31

Problem 8 –

 

Engine Starts Hard and Runs Rough

 

(Gasoline Units)

32

Problem 8 –

 

Engine Starts Hard and Runs Rough

 

(LP Units)

33

Problem 9 –

 

High Oil Temperature Fault (6 Flashes)

 

or Low Oil Pressure Fault (5 Flashes)

34

Problem 10 –

 

7.5 Amp (F1) Fuse Blowing

35

Section 7:

 

Diagnostic Tests

36-63

Introduction

36

Test 1 –

 

Check No-Load Voltage And Frequency

36

Test 2 –

 

Check Stepper Motor Control

36

Test 4 –

 

Fixed Excitation Test/Rotor Amp Draw

37

Test 5 –

 

Check Field Boost

39

Test 6 –

 

Test Stator DPE Winding

39

Test 7 –

 

Check Sensing Leads/Power Windings

40

Test 8 –

 

Check Brush Leads

41

Test 9 –

 

Check Brushes & Slip Rings

42

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Generac Power Systems 5415, 5412, 5411, 5413, 5414, 5410 manual Table of Contents
Page 2 Page 4

5410, 5414, 5415, 5413, 5411 specifications

Generac Power Systems has established itself as a leading manufacturer of backup power solutions, particularly known for its range of generators designed for both residential and commercial use. Among their noteworthy products are the Generac models 5412, 5411, 5413, 5415, and 5414. Each of these generators showcases innovative technologies and features that enhance reliability, efficiency, and ease of use.

The Generac 5412 is a versatile model equipped with a robust 10 kW output, making it suitable for powering essential home appliances during outages. It operates using a 1.0 L engine that runs on natural gas or propane, providing flexibility in fuel options. The Quiet-Test feature is a notable characteristic, as it allows for a self-test at a reduced volume, minimizing noise disruptions during routine checks.

Moving to the Generac 5411, this generator offers a higher output capacity of 13 kW. It integrates advanced load management technology, which ensures that power is allocated efficiently among connected devices. This model also features a Mobile Link remote monitoring system, enabling users to check generator status and performance from anywhere via a smartphone app.

The Generac 5413 is tailored for larger residential needs, delivering an impressive 16 kW output. It boasts a durable all-weather aluminum enclosure designed for longevity against the elements. The 5413's integrated wifi connectivity allows for real-time monitoring and alerts, ensuring that homeowners are always informed of their generator's operating status.

For those seeking a balance of power and efficiency, the Generac 5415 offers 20 kW of output while maintaining a compact design. This model is enriched with the patented G-Flex technology, allowing it to adjust engine speed based on the load requirements, thereby conserving fuel and reducing noise levels. Additionally, the 5415 comes with an intuitive user interface for effortless operation and programming.

Finally, the Generac 5414 rounds out the lineup with its strong 24 kW capability. This model is particularly known for its Smart Management modules, which facilitate the safe and efficient distribution of power. Its intuitive design also includes a user-friendly control panel for straightforward operation, ensuring that homeowners, regardless of technical expertise, can utilize the system effectively.

In summary, Generac Power Systems’ 5412, 5411, 5413, 5415, and 5414 generators exemplify advanced power technology, tailored for reliability and user convenience. Whether for essential home functions or more extensive power needs, these models provide effective solutions to ensure that homes remain powered during outages.
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