To Next PageTo Next PageWhat to do if the no load voltage frequency falls off on my Generac Power Systems XG10000E?
First, verify that the rotor is spinning. Then, proceed to problem 3 for further troubleshooting steps.
General| Model | XG10000E |
|---|---|
| Type | Portable Generator |
| Engine Displacement | 420 cc |
| Fuel Type | Gasoline |
| Run Time at 50% Load | 10 Hours |
| Starting Method | Electric Start |
| Voltage | 120/240V |
| Frequency | 60 Hz |
| Wheel Kit | Included |
| Surge Wattage | 10000 Watts |
| Engine Type | OHV |
| Outlets | 1 x 120/240V 30A |
Overview of generator components and function for brushless capacitor excitation.
Details on the three windings within the stator assembly.
Explanation of the 2-pole rotor, its diodes, and operation.
How the generator operates, from startup to field excitation.
How maintained voltage is induced into AC power windings for load.
Guidance on diagnosing AC output problems using flow charts.
Steps to diagnose zero or residual voltage issues in generator output.
Diagnostic steps for voltage and frequency issues.
Troubleshooting excessive voltage/frequency drop under load.
Diagnosing high voltage output at no-load conditions.
Overview of brush type generator components and function.
Details on the three windings in the brush type stator.
Explanation of brush holder, brushes, and excitation current flow.
How the voltage regulator senses and regulates excitation current.
How the brush type generator operates, from startup to field excitation.
How voltage increases as engine speed accelerates.
How voltage regulator controls DC excitation to the rotor.
Diagnosing AC output problems for brush type generators.
Steps to diagnose zero or residual voltage in brush type generators.
Diagnosing high/low voltage and frequency in brush type generators.
Troubleshooting voltage/frequency droop under load.
Diagnosing high voltage at no-load for brush type generators.
Guidance on using diagnostic tests with troubleshooting flowcharts.
Procedure to measure no-load voltage and frequency.
How to test the main circuit breaker for continuity.
Verifying receptacle panel continuity for power output.
Testing rotor excitation and amp draw with a DC source.
Procedure to restore residual magnetism via field flashing.
How to test the generator's capacitor for proper function.
Testing the Displaced Phase Excitation windings for continuity.
Checking brushless stator windings for opens, shorts, or ground faults.
Testing brushed stator windings for shorts to ground.
Measuring voltage and frequency under load.
Determining load watts and amperage for generator limits.
Procedure to adjust the voltage regulator for correct output.
Testing the 120/240V changeover switch for continuity.
Introduction to Electronic Fuel Injection systems in generators.
Explanation of open-loop EFI operation without O2 sensor feedback.
Fuel-air mixture requirements for efficient engine operation.
Components and operation of the EFI fuel system.
How airflow is measured and controlled in EFI systems.
Key inputs measured by the ECU in EFI systems.
How airflow is calculated by the ECU in generator applications.
Role of manifold pressure in EFI airflow calculation.
Note on throttle position sensor not being used on this generator.
How engine temperature affects EFI fuel delivery.
Impact of air temperature on EFI fuel mixture.
How EFI computer processes sensor data to control fuel injection.
Interpreting fault codes from the EFI system's indicator light.
General guidance for using engine diagnostic flow charts.
Troubleshooting steps for a recoil cord that won't pull.
Diagnosing issues with engines that start hard or run rough.
Troubleshooting steps for engines that crank but don't start.
Diagnosing hunting or erratic idle conditions in engines.
Troubleshooting no-crank issues in electric start engines.
Diagnosing recoil cord issues in specific engine models.
Troubleshooting engines that crank but fail to start.
Diagnosing hard starting and rough running in engines.
Troubleshooting engines that start then shut down.
Diagnosing battery charging circuit failures.
Troubleshooting engine hunting and erratic idle conditions.
Diagnosing issues when the unit will not idle.
Troubleshooting when the unit fails to come off idle.
Procedure to inspect the fuse for the wiring and battery charger.
Performing voltage drop tests on the starter circuit.
Testing the START-RUN-STOP switch for continuity.
Verifying the function of the OFF-ON switch.
Identifying conditions affecting starter motor performance.
Inspecting the starter pinion gear for proper engagement.
Procedure to test the engine's ignition system spark.
Inspecting and cleaning or replacing spark plugs.
Procedures for checking and cleaning the carburetor.
Testing the choke function to diagnose surging or RPM issues.
Adjusting valve clearance to correct engine problems.
Performing leak down and compression tests on the engine.
Testing the ignition coil for proper resistance and shorts.
Checking flywheel magnetism and key integrity.
Testing the shutdown wire for shorts to ground.
Checking and adjusting the governor for proper speed.
Adjusting governor speed for 220/410/530cc engines.
Diagnosing issues related to the low oil pressure switch.
Testing the oil level switch for proper function.
Checking the recoil starter for proper operation.
Basic checks for engine function, including seizure.
Testing the battery charger circuit for non-EFI units.
Testing the battery charging circuit for EFI models.
Testing the idle control system for proper operation.
Overview of typical generator disassembly steps.
Guidance to find current wiring diagrams and schematics online.
Electrical schematic for the RS5500 model.
Electrical schematic for the RS7000E model.
Electrical schematic for the XC6500 model.
Electrical schematic for XC6500E/XC8000E models.
Electrical schematic for the XP4000 model.
Electrical schematic for the XP8000E model.
Electrical schematic for the XP10000E model.
Electrical schematic for the XG4000 model.
Electrical schematic for the XG4000 model.
Electrical schematic for XG5600E/XG6400E models.
Electrical schematic for the XG6500 model.
Electrical schematic for the XG7000E model.
Electrical schematic for the XG8000E model.
Electrical schematic for the XG10000E model.
Electrical schematic for the XT8000E model.
Electrical schematic for the HL6500E model.
Electrical schematic for the HL6500E model.
Electrical schematic for the HL6500E model.
Electrical schematic for the XT8000EFI model.
