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Section 6

TROUBLESHOOTING FLOWCHARTS

Page 34

Problem 9 – High Oil Temperature Fault (6 Flashes)

or Low Oil Pressure Fault (5 Flashes)

REPAIR OR REPLACE

REPLACE SWITCH

HIGH OIL

TEMPERATURE

– 6 FLASHES

ON SW1 LED

TEST 38 – CHECK

OIL TEMPERATURE

SWITCH

CHECK

ENGINE OIL

LEVEL

TEST 39 – CHECK

WIRE 85 FOR

CONTINUITY

GOOD

BAD

REPLENISH OIL

OIL LEVEL LOW

OIL LEVEL O.K.

REPLACE

PRINTED CIRCUIT

BOARD

REPLACE SWITCH

BAD

REPLENISH OIL

OIL LEVEL LOW

REPAIR OR REPLACE

LOW OIL

PRESSURE –

5 FLASHES

ON SW1 LED

TEST 36 – CHECK

OIL PRESSURE

SWITCH

TEST 25 –

CHECK FUEL

SUPPLY

GOOD

BAD

REPLENISH FUEL

NO FUEL

CHECK

ENGINE OIL

LEVEL

REPLACE

PRINTED CIRCUIT

BOARD

TEST 37 – CHECK

WIRE 86 FOR

CONTINUITY

Default Chapter3
- Table of Contents3
Section 15
Safety5
Generator Fundamentals5
- Magnetism5
- Electromagnetic Fields5
- Electromagnetic Induction5
- A Simple Ac Generator6
- A more Sophisticated Ac Generator6
- Field Boost8
- Generator Ac Connection System8
Section 210
Major Generator Components10
- Rotor Assembly10
- Stator Assembly10
- Brush Holder11
- Excitation CIRCUIT COMPONENTS11
- Crankcase BREATHER12
- Control Panel Component Identification13
- Major Generator Components13
Section 314
Insulation Resistance Tests14
- Effects of Dirt and Moisture14
- Insulation Resistance Testers14
- Drying the Generator14
- Cleaning the Generator14
- Stator Insulation Resistance15
- Test15
- Testing Rotor Insulation16
- The Megohmmeter16
Section 417
Measuring Electricity17
- Meters17
- The vom17
- Measuring Ac Voltage17
- Measuring DC Voltage17
- MEASURING AC Frequency17
- Test17
- Measuring Current18
- Measuring Resistance18
- Test18
- Electrical Units19
- Ohm's Law19
Section 520
Engine DC Control System20
- Introduction20
- Operational Analysis20
- Printed Circuit Board24
- Battery24
- 7.5 Amp Fuse25
- Start-Stop Switch25
- Test25
- Starter Contactor Relay & Starter Motor26
Troubleshooting Flowcharts27
- If Problem Involves Ac Output27
- Problem 427
- High or Low27
  - VOLTAGE & Frequency ARE both HIGH or LOW27
  - Test27
- Problem28
- Generator Produces Zero Voltage or Residual Voltage (5-12VAC)28
- Test28
- Excessive Voltage/Frequency DROOP WHEN LOAD IS APPLIED29
- Test29
- Engine Overspeed Warning Code Flashing on Sw1 Led (4 Flashes)30
- PRIMING FUNCTION DOES NOT Work (GASOLINE MODELS)30
- Test30
- ENGINE will NOT Crank31
- Test31
- ENGINE Cranks but will NOT START (GASOLINE UNITS)32
- Test32
- ENGINE Cranks but will NOT START (LP UNITS)33
- Test33
- Engine Starts Hard and Runs Rough (Gasoline Units)34
- Test34
- Engine Starts Hard and Runs Rough (Lp Units)35
- Test35
- Or Low Oil Pressure Fault (5 Flashes)36
  - Troubleshooting Flowcharts36
  - Test36
- Problem 10 - 7.5 Amp (F1) Fuse Blowing37
- Test37
Section 738
Diagnostic Tests38
- Introduction38
- Check No-Load Voltage and Frequency38
- Check Stepper Motor Control38
- Test38
- Fixed Excitation Test/Rotor Amp Draw39
  - Test39
  - Test40
- Check Field Boost41
- Test Stator DPE Winding41
- Check Sensing Leads/Power Windings42
- Test42
- Check Brush Leads43
- Test43
- Check Brushes & Slip Rings44
- Test44
- Check Main Circuit Breaker45
- Check Load Voltage & Frequency45
- Check Load Watts & Amperage45
- Try Cranking the Engine46
- Check Fuel Pump46
- Check 7.5 Amp Fuse47
- Test47
- Check Battery & Cables47
- Check Power Supply to Printed Circuit Board47
- Check Continuity of Wire 1748
- Test48
- Check Start-Stop Switch48
- Check Power Supply to Wire 5649
- Check Starter Contactor Relay49
- Test49
- Check Starter Contactor50
- Check Starter Motor50
- Test50
- Check Fuel Supply53
- Check Wire 14 Power Supply54
- TEST 27 - Check Wire 1855
- (Gasoline Models)55
- Check Ignition Spark56
- Check Spark Plugs57
- Check and Adjust Ignition Magnetos57
  - Check Valve Adjustment59
  - Check Carburetion60
  - Check Choke Solenoid60
  - Check Engine / Cylinder Leak down Test / Compression Test61
  - Check Oil Pressure Switch62
  - Test Wire 86 for Continuity63
  - Test Oil Temperature Switch63
  - Test Wire 85 for Continuity64
  - Test Choke Heater64
  - Check LPG Fuel Solenoid65
Section 866
Exploded Views / PART NUMBERS66
- Base & Pulley Drawing66
- Enclosure Drawing68
- Control Panel Drawing70
- Engine Accessories Drawing72
- Rv Engine Drawing74
- Rotor and Stator Drawing76
Section 978
Specifications & Charts78
- Major FEATURES and DIMENSIONS78
- Generator Specifications79
- Nominal Resistances of Generator Windings at 68°F79
- Torque Requirements79
Section 1079
Electrical Data80
- Electrical Schematic and Wiring Diagram80
- Electrical Data81

Brand	Generac Power Systems
Model	Guardian 5410
Category	Inverter
Language	English

Generac Power Systems Guardian 5410 User Manual

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