Generac Power Systems 10 kW LP Repair Manual page 5

Automatic standby generators
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Part 4 - Dc coNtrol ......................................... 95
4.1 Description and Components .......................... 96
General ............................................................96
Circuit Board ....................................................96
Auto-Off-Manual Switch ...................................96
7.5 Amp Fuse...................................................96
Menu System Navigation ...............................102
4.2 Operational Analysis ..................................... 104
Introduction ....................................................104
Utility Source Voltage Available ......................104
Engine Startup and Running ..........................110
Engine Shutdown ...........................................116
4.3 Troubleshooting Flowcharts ........................... 118
but Won't Start ...........................................119
Fault Occurred ...........................................121
4.4 Diagnostic Tests ............................................ 123
Introduction ...................................................123
Test 57 - Try a Manual Start .........................123
(V-Twin Only) .....................................123
Test 59 - Test Auto Operations ......................124
Test 60 - Check 7.5 Amp Fuse ......................124
Test 61 - Check Battery .................................124
Test 62 - Check Wire 56 Voltage ...................126
(V-twin Only) ......................................126
(Single Cylinder Engine)....................127
Test 65 - Test Starter Motor ...........................128
Wire 14 Output ..................................131
Test 68 - Check Fuel Solenoid ......................132
Test 69 - Check Choke Solenoid ...................132
Test 71 - Check Spark Plugs .........................136
Test 73 - Check Shutdown Wire ....................137
Ignition Magnetos ..............................138
and Wire 86 .......................................141
Temperature Switch ...........................142
Test 79 - Test Exercise Function ...................144
Function is enabled ...........................146
Part 5 - oPEratioNal tEsts ........................ 147
5.1 System Functional Tests ................................ 148
Introduction ....................................................148
Electrical Checks ...........................................148
Generator Tests Under Load ..........................149
Checking Automatic Operation ......................150
Setting The Exercise Timer ............................150
Part 6 - DisassEmBlY ..................................... 151
6.1 Major Disassembly ........................................ 152
Front Engine Access ......................................152
Major Disassembly .........................................156
Part 7 - ElEctrical Data .............................. 163
Wiring Diagram, 8 kW Home Standby ................. 164
Schematic, 8 kW Home Standby ......................... 166
Schematic, 10 kW Home Standby ....................... 170
Schematic, 14 kW Home Standby ....................... 174
Schematic, 17 kW Home Standby ....................... 178
Schematic, 20 kW Home Standby ....................... 182
9/10/12/16 Circuit ................................................ 184
9/10/12/16 Circuit ................................................ 186
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