Generac 005262-0 owner manual Troubleshooting Guide, Problem Cause Correction

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Standby Generator Sets

Troubleshooting

TROUBLESHOOTING GUIDE

PROBLEM

CAUSE

CORRECTION

Engine won’t crank.

1.

15 amp fuse blown.

1.

Replace fuse.

 

2.

Loose or corroded or defective

2.

Tighten, clean or replace

 

 

battery cables.

 

battery cables as necessary.

 

3.

Defective starter contactor.

3.

Replace contactor.*

 

4.

Defective starter motor.

4.

Replace starter motor.*

 

5.

Dead or Defective Battery.

5.

Remove, change or replace battery.

 

6.

5 amp fuse blown.

6.

Replace fuse.*

 

 

 

 

 

Engine cranks but won't start

1.

Out of fuel.

1.

Replenish fuel.

 

2.

Fuel solenoid (FS) is defective

2.

Replace solenoid.*

 

3.

Open Wire #14A from Engine Control

3.

Reconnect wire.

 

 

circuit board.

 

 

 

4.

Spark plugs defective.

4.

Clean, regap or replace plugs.

 

5.

Door on tank not closed.

5.

Close door on tank.

 

 

 

 

 

Engine starts hard, runs rough.

1.

Flame arrestor (air cleaner) plugged or

1.

Clean or replace as needed.

 

 

damaged.

 

 

 

2.

Plugged fuel line.

2.

Unclog fuel line.

 

3.

Defective spark plugs.

3.

Clean, regap or replace plugs.

 

4.

Fuel pressure incorrect.

4.

Confirm fuel pressure to regulator is as

 

 

 

 

recommended in SPECIFICATIONS.

 

 

 

 

 

Engine starts then shuts down.

1.

Engine oil level is low.

1.

Check oil and add oil as needed.

 

2.

Engine is overheated.

2.

Check cooling system for leaks.

 

3.

Defective Low Oil Pressure Switch

3.

Replace switch.*

 

4.

Defective Coolant Temperature Switch

4.

Replace switch.*

 

5.

Defective Control Module circuit board.

5.

Replace board.*

 

6.

Coolant Level is Low.

6.

Repair leak - Add coolant.

 

7.

Defective Low Coolant Level Switch

7.

Replace Switch.*

 

 

 

 

 

AUTO/OFF/MANUAL Switch at OFF,

1.

Defective AUTO/OFF/MANUAL switch

1.

Replace switch.*

engine continues to run

2.

Open/disconnected wire #15A between

2.

Reconnect/close wire.

 

 

AUTO/OFF/MANUAL switch and Control

 

 

 

 

Module circuit board.

 

 

 

3.

Defective Control Module circuit board

3.

Replace board.*

 

 

 

 

 

No AC output from generator.

1.

Check main line circuit breaker.

1.

Reset to ON or CLOSED.

 

2.

Check circuit breaker & fuses.

2.

Reset and replace, if necessary.

 

3.

Transfer switch set to NORMAL position

3.

Set to GENERATOR position.

 

4.

Generator internal failure.

4.

*

 

5.

Thermal circuit breaker open.

5.

Auto-reset - Wait 5 min. and

 

 

 

 

attempt restart.

*Contact the nearest Authorized Dealer for assistance.

12-1

08/05

0 .Rev Trblsht001

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Contents Model Standby Generator Sets Table of Contents  Warning   Electrical Hazards  ‹ Operation and Maintenance ‹ HOW to Obtain ServiceAuthorized Service Dealer Location IntroductionIdentification Record ‹ Data LabelEquipment Description Engine OIL RecommendationsCoolant Recommendations Engine Protective Devices Fuel System ‹ Fuel Requirements‹ Natural GAS Fuel System ‹ LP Fuel SystemSpecifications ‹ Reconfiguring the Fuel System ‹ Cold Weather KITAlternator Power Winding Connections ‹ FOUR-LEAD, SINGLE-PHASE Stator‹ 3-PHASE Alternators Generator AC Lead ConnectionsInstallation Preparation Before START-UPInitial Inspection for QT Genset Startup START-UP Checklist ‹ Preparation for START-UP‹ START-UP Inspection Operating Unit with Manual Transfer Switch Generator Control Operation‹ Engine START-UP and Transfer ‹ Retransfer and ShutdownCooling System Checking Fluid LevelsMaintenance Owner Operator can Perform ‹ Changing the Engine AIR Cleaner ‹ Coolant Change ‹ Changing Engine OIL‹ Spark Plugs Miscellaneous Maintenance ‹ Cleaning the Generator‹ Battery ‹ Battery MaintenanceService Schedule KW 150 KW Standby GAS Engine Driven Generator SetsMaintenance Level 11-3 11-4 Troubleshooting Guide Problem Cause CorrectionStandby Generator Sets Standby Generator Sets Standby Generator Sets Page PAN CB Conn BOX Page UL Circuit Breaker QJ-2P Page Instr Hypot Test not Shown Page C2 Units Page Components Included in 0F9696E Page Weldment Frame 2.4L C2 Page Battery Tray C1 CPL Page Engine 2.4L Hyundai Page Weldment Radiator Support 2.4L Page Gasket Bosch 32 Page Flange Fuel Inlet Page Rear Wrap C2 CPL Page Exhaust Elbow 2 1/4 OD 2 1/2OD Page Page Standby Generator Sets Warranty