Generac Power Systems 005261-1, 005262-1 Troubleshooting Guide, Problem Cause Correction

Page 24

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.

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0 .Rev Trblsht001

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Contents New standard of reliability 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 Page PAN CB Conn BOX Page UL Circuit Breaker QJ-2P Page Instr Hypot Test not Shown Page Components Included in 0F9696E Page Components Included in 0G1290E Page Weldment Frame 2.4L C2 Page Battery Tray C1 CPL Page Gasket Bosch 32 Page Engine 2.4L G2 Rework Page Weldment Radiator Support 2.4L Page Flange Fuel Inlet Page Rear Wrap C2 CPL Page Bracket Muffler Page Page Page Page Page Page Page Page Page Page Page C2 Units Standby Generator Sets Warranty

005261-1, 005262-1 specifications

Generac Power Systems, a leader in backup power solutions, offers a range of generators designed to meet different power needs. Among their notable products are the Generac models 005261-1 and 005262-1, which are both excellent options for residential and commercial applications. These generators are specifically designed to provide reliable power during outages, ensuring that homes and businesses remain operational when it matters most.

One of the standout features of the Generac 005261-1 and 005262-1 models is their automatic transfer switch technology. This feature allows the generators to detect power outages automatically and switch on within seconds, providing uninterrupted power. The systems are designed for ease of use, with a user-friendly control panel that displays critical information about the generator’s status and maintenance requirements.

Both models are powered by Generac's innovative engine technology, which ensures superior performance and fuel efficiency. The engines are engineered to run quietly while delivering ample power output. The 005261-1 typically offers up to 22 kW of backup power, while the 005262-1 goes up to 26 kW, making them suitable for larger homes or essential commercial applications.

In terms of construction, the Generac models feature durable weather-resistant enclosures, ensuring they can withstand harsh environmental conditions. Their compact design makes installation straightforward, with options for both concrete pads and low-profile installations. Furthermore, both generators are equipped with a state-of-the-art digital controller that allows users to monitor the system remotely.

Another important characteristic is the Generac Power Zone Mobile Link, which allows users to monitor their generator’s status via a smartphone app. This feature provides peace of mind, as users can receive alerts regarding power outages, routine maintenance, and operational status in real time, even when they are not home.

The maintenance of these generators is simplified by their built-in features, including an integrated maintenance reminder system that alerts users when service is due. This proactive approach aids in extending the life of the generator and optimizing performance over time.

In summary, the Generac Power Systems models 005261-1 and 005262-1 offer a blend of reliability, efficiency, and advanced technology. With automatic transfer switches, robust engine design, and smart monitoring capabilities, these generators stand out in the market as excellent choices for backup power needs. Whether for residential use or light commercial applications, users can trust in Generac’s commitment to delivering dependable power solutions.
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