Generac Power Systems 5412, 5411, 5413 Proble 5 Priming Function Does Not Work Gasoline Models

Page 30

Section 6

TROUBLESHOOTING FLOWCHARTS

Problem 4 – Engine Overspeed Warning Code Flashing on SW1 LEd (4 Flashes)

TEST 2 – CHECk

STEPPER MOTOR

CONTROL

BAD

REPLACE

STEPPER MOTOR

GOOD

CHECk

WIRE 18A

BAD

REPAIR OR

REPLACE

GOOD

TEST 31 – CHECk &

ADjUST IGNITION

MAGNETOS

BAD

ADjUST, REPAIR OR

REPLACE

GOOD

REPLACE

PRINTED CIRCUIT

BOARD

Proble 5 – Priming Function Does Not Work (Gasoline Models)

 

TEST 14 – TRY

 

 

ENGINE

 

STILL

 

 

 

 

CRANKING

 

 

 

CRANKS

 

 

WON’T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THE ENGINE

 

 

NORMALLY

 

PRIME

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WON’T CRANK

 

 

 

 

 

 

 

 

 

 

 

 

REPLACE BAD SWITCH

 

 

 

 

BAD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GOOD

GO TO PROBLEM 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TEST 20 – CHECK

START-STOP

SWITCH (SW1)

TEST 15 – CHECK

 

 

 

REPLACE FUEL PUMP

 

 

 

FUEL PUMP

 

BAD

 

 

 

IF DEFECTIVE

OPERATION

 

 

 

 

 

 

 

REPLACE

GOODPRINTED CIRCUIT

BOARD

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Contents Diagnostic Repair Manual Safety Table of Contents Section Electrical Data 78-79 Magnetism Electromagnetic FieldsElectromagnetic Induction Simple AC Generator More Sophisticated AC GeneratorGenerator Operating Diagram Field Boost Generator AC Connection SystemConnection for 120 Volts Only Rotor Assembly Stator AssemblyBrush Holder Excitation Circuit ComponentsCrankcase Breather DescriptionControl Panel Component Identification Control Panel ComponentsInsulation Resistance Testers Cleaning the GeneratorEffects of Dirt and Moisture Drying the GeneratorStator Insulation Resistance Testing Rotor Insulation Testing Rotor InsulationTesting Stator Insulation MegohmmeterMeasuring AC Voltage MetersVOM Measuring DC VoltageMeasuring Current Measuring ResistanceElectrical Units Ohm’s LawIntroduction Operational AnalysisCircuit Condition Cranking Circuit Condition Running Circuit Condition Shutdown Battery Cables BatteryRecommended Battery Printed Circuit BoardStart-Stop Switch Amp FuseStart-Stop Switch Starter Contactor Relay Starter MotorIf Problem Involves AC Output Problem 1 Voltage & Frequency Are Both High or LowTest Troubleshooting Flowcharts Proble 5 Priming Function Does Not Work Gasoline Models Problem 6 Engine Will Not Crank Test 26 Check Test 20 Check Check Fuel Wire 14 Power Good Troubleshooting Flowcharts Problem 8 Engine Starts Hard and Runs Rough Gasoline Units Problem 8 Engine Starts Hard and Runs Rough LP Units LOW OIL Pressure Flashes on SW1 LED Problem 10 7.5A F1 Fuse Blowing YESTest 2 Check Stepper Motor Control ProcedureTest 1 Check No-Load Voltage Frequency DiscussionSix Pin J2 Connector Wire Colors Test 4 Fixed Excitation Test/Rotor Amp DrawFixed Excitation Test, Step B Test 5 Check Field Boost Test 6 Test Stator DPE WindingTest 7 Check Sensing Leads / Power Windings Stator Excitation WindingStator Power Winding Leads Test 8 Check Brush LeadsTest 10 Check Rotor Assembly Test 9 Check Brushes & Slip RingsTest 12 Check Load Voltage Frequency SchematicTest 11 Check Main Circuit Breaker Test 13 Check Load Watts AmperageTest 14 Try Cranking the Engine Test 15 Check Fuel PumpTest 17 Check Battery & Cables Test 18 Check Power Supply to Printed Circuit BoardTest 16 Check 7.5 Amp Fuse Test 19 Check Continuity of Wire Test 20 Check Start-Stop SwitchTest 21 Check Power Supply to Wire Test 22 Check Starter Contactor RelayTest 23 Check Starter Contactor Test 24 Check Starter MotorChecking the Pinion PinionTools for Starter Performance Test Minimum rpm 4500 Maximum Amps Test 25 Check Fuel Supply To Carburetor GASTest 26 Check Wire 14 Power Supply 29. Fuel RegulatorTest 27 Check Wire Test 28 Check Fuel Solenoid Gasoline ModelsTest 29 Check Ignition Spark Tools RequiredTwo Ignition Testers Generac P/N 0C5969Test 31 Check and Adjust Ignition Magnetos Test 30 Check Spark Plugs37. Setting Ignition Magneto Armature Air Gap Test 32 Check Valve Adjustment Checking Flywheel MagnetFlywheel KEY Test 33 Check Carburetion Test 34 Check Choke SolenoidTo Control Solenoid PanelTest 36 Check Oil Pressure Switch Test 37 Check Wire 86 for Continuity Test 38 Test Oil Temperature SwitchTest 39 Check Wire 85 for Continuity Test 40 Test Choke HeaterTest 41 Check LPG Fuel Solenoid Section Exploded Views QTY Description Enclosure Drawing No G3881-C Enclosure Door Views Screw Plastite HI-LOW #10X3/8 Engine Accessories Drawing No G7718-B QTY Description 48,49 Square Head Plug Rotor & Stator Drawing No G3953-b NUT TOP Lock FL M8-1.25 Charts Generator Specifications Nominal Resistances of Generator Windings at 68fElectrical Data Electrical Data OG7515 REV. a

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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