Generac 004917-5 owner manual Troubleshooting Points, Problem Cause Correction

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Section 5 — Troubleshooting

QUIETSOURCELiquid-cooled 30 kW Generators

TROUBLESHOOTING POINTS

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.

4 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 #14 from Engine Control

3.

Reconnect wire.

 

 

circuit board.

 

 

 

4.

Spark plugs defective.

4.

Clean, regap or replace plugs.

 

 

 

 

 

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.

 

 

 

 

 

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,

1.

Defective AUTO/OFF/MANUAL switch

1.

Replace switch.

OFF 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.

Contact an Authorized Generac

 

 

 

 

facility.

 

5.

Thermal circuit breaker open.

5.

Auto-reset - Wait five minutes and

 

 

 

 

attempt restart.

Generac® Power Systems, Inc. 23

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Contents Installation ‹ Operation and Maintenance Authorized Service Dealer Location‹ HOW to Obtain Service IntroductionTable of Contents General Hazards Electrical Hazards Generator Transfer SwitchAutomatic System Operation Generator AC Connection Systems‹ 1.7.1 LOW OIL Pressure Switch ‹ 1.7.2 High Coolant Temperature Switch‹ 1.7.3 LOW Coolant Level Switch Generator Fuel SystemLifting the Generator UnpackingReconfiguring the Fuel System Specifications‹ 1.10.1 Generator Specifications ‹ 1.10.2 Engine SpecificationsBefore Installation Torque SpecificationsEngine OIL Recommendations Coolant RecommendationsGenerator Mounting Support Generator LocationBasic Standby Electric System ‹ 2.1.1 Nfpa StandardsTotal Circuit Isolation Method Emergency Circuit Isolation MethodGrounding the Generator Generator AC Neutral ConnectionsBattery Installation Transfer Switch Signal Connections‹ 2.9.1 PRE-PACKAGED ATS ‹ 2.9.2 GTS-TYPE ATSPreparation Before START-UP ‹ 3.2.1 AUTO/OFF/MANUAL Switch Using AN Engineered GTS Transfer SwitchControl Console Components ‹ 2.11.7 Electrical System‹ 3.2.2 Fault Indicator LED Manual Transfer START-UP Engine Governor Adjustments‹ 3.2.5 SET Exercise Time Switch ‹ 3.2.4 4 AMP Inline FuseAutomatic Operation Retransfer and ShutdownWeekly Exercise Cycle Checking Fluid Levels Overload Protection for Engine DC Electrical SystemCooling System ‹ 4.4.3 Engine Coolant ‹ 4.5.2 Check Battery‹ 4.5.1 Check Engine OIL Level ‹ 4.5.3 Exercise System‹ 4.5.11 Changing the Engine AIR Cleaner Miscellaneous Maintenance‹ 4.6.1 Cleaning the Generator ‹ 4.5.13 Coolant Change‹ 4.6.3 Battery Maintenance ‹ 4.6.2 Battery‹ 4.6.4 Battery Replacement Service Maintenance Interval Information Scheduled MaintenanceLevel Maintenance Level Problem Cause Correction Troubleshooting PointsCustomer Connection PCB J2 BCW LOS WLS HCT Starter Carrier Bolt Battery Post Cover Baclk Boot Battery CableBattery Post Cover RED + Hold Down BatteryDetail Duct Intake MID AL Assy Wire 14AWG 7.5 #0 GRN/YELDuct Discharge RH AL Duct Discharge LH ALGenerac Power Systems, Inc Control BOX HSB Assy 2A 12V UL BatteryDecal AVR Cover Cover Front Panel HSBLiquid-cooled 30 No F6836-A Not SHOWN-USED to Hold OIL Drain Assembly Wire SET 3.0L Ford notCoil Ignition 3.0L Ford Bracket DC ALT 3.0L FordFrame Radiator R-IN,L-OUT Tank Coolant RecoveryVenturi 3.0L Ford HSB Side Support Radiator HSBTo B Flange Fuel Inlet Weldment Mounting BaseAssy Regulator 3.0L NG or LPV Washer Flat 5/16 ZincLocktight Rotor 390 20KW 1P Direct HSB 2.5L Ford Rotor 390 15KW 1P Direct HSB 2.5L FordRotor 390 25KW 1P Direct HSB 2.5L Ford Rotor 39030AD1 HSB TecumPipe Muffler OUT Exhaust Flange 2 PipeWasher Lock 3/8 SS Gasket Exhaust RingElement AIR Cleaner Plate AIR Cleaner AdapterCover AIR Cleaner Adapter Carburetor W/PVC ConnInstallation Diagram Quietsource Liquid-cooled 30 kW Generators This Warranty Shall not Apply to the Following