TABLE OF CONTENTS
GENERATOR INFORMATION AND THEORY . . . . . . . . . . . . . . . . . . . . . . . . . . Section 1
Importance of Warranty Registrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Gasoline, Ethanol, Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Yamaha Inverter and Conventional Generators . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
AC Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
12 Volt DC Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Voltage and Frequency Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Control Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Yamaha Generator Inverter System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Model Name Clarification YG/EF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
Model Introduction Year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
Extension Cord Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
High Altitude Jetting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
Special Diagnostic Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28
GENERATOR DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 2
CONVENTIONAL GENERATOR DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Determining if a Problem is Generator or Engine Related . . . . . . . . . . . . . . . . . . . . . 2-1
THEORY FOR NON-AVR TYPE GENERATORS . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
THEORY FOR AVR TYPE GENERATORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
AVR TROUBLESHOOTING CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
NON-AVR TROUBLESHOOTING CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
TROUBLESHOOTING YAMAHA INVERTER GENERATORS . . . . . . . . . . . . . . . . . . . . 2-18
Ignition System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Generator System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23
Engine Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
Throttle Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33
Charging System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-35
Electric Starting System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-38
Choke Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-40
CURRENT MODEL SPECIFICATIONS AND WIRING DIAGRAMS . . . . . . . . . . . . . . . . Section 3
CONSUMER SERIES GENERATORS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Inverter EF1000iS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Inverter EF2400iS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Inverter EF2800i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Conventional EF2600. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25
Inverter EF3000iSE / B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33
Conventional EF4000DE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-40
Inverter EF4500iSE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-50
Conventional EF5200DE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-61
Inverter EF6300iSDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-71
Conventional EF6600DE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-78
Conventional EF12000DE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-87
INDUSTRIAL SERIES GENERATORS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-96
Inverter YG2800i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-96
Conventional YG4000D. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-104
Conventional YG5200D. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-115
Conventional YG6600D. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-125
Conventional YG6600DE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-135
Summary of Contents for EF4500iSE - Inverter Generator
Page 1: ...YAMAHA GENERATOR THEORY DIAGNOSTICS GUIDE...
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Page 50: ...2 16 Yamaha Generator Theory Diagnostics Guide...
Page 51: ...2 17 Generator Diagnostics...
Page 53: ...2 19 Inverter Generator Diagnostics...
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Page 101: ...3 25 Current Model Specifications and Wiring Diagrams EF2800i INVERTER GENERATOR EF2800i...
Page 102: ...3 26 Yamaha Generator Theory Diagnostics Guide EF2800i WIRING DIAGRAM...
Page 103: ...3 27 Current Model Specifications and Wiring Diagrams EF2800i 5W 30...
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Page 105: ...3 29 Current Model Specifications and Wiring Diagrams EF2800i...
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Page 107: ...3 31 Current Model Specifications and Wiring Diagrams EF2800i...
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Page 117: ...3 41 Current Model Specifications and Wiring Diagrams YG4000DE...
Page 118: ...3 42 Yamaha Generator Theory Diagnostics Guide INVERTER GENERATOR EF4000DE...
Page 119: ...3 43 Current Model Specifications and Wiring Diagrams YG4000DE 5W 30...
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Page 121: ...3 45 Current Model Specifications and Wiring Diagrams YG4000DE...
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Page 123: ...3 47 Current Model Specifications and Wiring Diagrams YG4000DE...
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Page 125: ...3 49 Current Model Specifications and Wiring Diagrams YG4000DE...
Page 126: ...3 50 Yamaha Generator Theory Diagnostics Guide INVERTER GENERATOR EF4500iSE...
Page 127: ...3 51 Current Model Specifications and Wiring Diagrams EF4500iSE EF4500iSE WIRING DIAGRAM...
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Page 129: ...3 53 Current Model Specifications and Wiring Diagrams EF4500iSE 5W 30...
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Page 131: ...3 55 Current Model Specifications and Wiring Diagrams EF4500iSE...
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Page 133: ...3 57 Current Model Specifications and Wiring Diagrams EF4500iSE...
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Page 135: ...3 59 Current Model Specifications and Wiring Diagrams EF4500iSE...
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Page 147: ...3 71 Current Model Specifications and Wiring Diagrams EF6300iSDE INVERTER GENERATOR EF6300iSDE...
Page 148: ...3 72 Yamaha Generator Theory Diagnostics Guide EF6300iSDE WIRING DIAGRAM...
Page 149: ...3 73 Current Model Specifications and Wiring Diagrams EF6300iSDE...
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Page 151: ...3 75 Current Model Specifications and Wiring Diagrams EF6300iSDE...
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Page 164: ...3 88 Yamaha Generator Theory Diagnostics Guide EF12000DE...
Page 165: ...3 89 Current Model Specifications and Wiring Diagrams EF12000DE EF12000DE...
Page 166: ...3 90 Yamaha Generator Theory Diagnostics Guide EF12000DE...
Page 167: ...3 91 Current Model Specifications and Wiring Diagrams EF12000DE EF12000DE...
Page 168: ...3 92 Yamaha Generator Theory Diagnostics Guide EF12000DE...
Page 169: ...3 93 Current Model Specifications and Wiring Diagrams EF12000DE EF12000DE...
Page 170: ...3 94 Yamaha Generator Theory Diagnostics Guide CONVENTIONAL GENERATOR EF12000DE Control Box...
Page 171: ...3 95 Current Model Specifications and Wiring Diagrams EF1200DE EF12000DE WIRING DIAGRAM...
Page 180: ...3 104 Yamaha Generator Theory Diagnostics Guide CONVENTIONAL GENERATOR YG4000D...
Page 181: ...3 105 Current Model Specifications and Wiring Diagrams YG4000D...
Page 182: ...3 106 Yamaha Generator Theory Diagnostics Guide YG4000D WIRING DIAGRAM...
Page 183: ...3 107 Current Model Specifications and Wiring Diagrams YG4000D...
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Page 185: ...3 109 Current Model Specifications and Wiring Diagrams YG4000D...
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Page 189: ...3 113 Current Model Specifications and Wiring Diagrams YG4000D...
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