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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Generac Power Systems 005259-1, 005260-1 owner manual Troubleshooting Guide, Problem Cause Correction
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005260-1, 005259-1 specifications

Generac Power Systems has established itself as a leader in the power generation industry, particularly with its innovative range of home backup generators. Among its popular models are the Generac 005259-1 and 005260-1, both of which reflect the company’s commitment to engineering excellence, reliability, and user-centric design.

The Generac 005259-1 is a 22 kW air-cooled standby generator that operates on either natural gas or liquid propane, providing ample power for essential home appliances during an outage. This model features a robust V-twin engine, which not only ensures durability but also enhances performance in various weather conditions. Its Quiet-Test technology allows the generator to run a self-test at a lower RPM, reducing noise and conserving fuel while still ensuring that the unit is operational.

On the other hand, the Generac 005260-1 serves as a powerful 24 kW generator, boasting an advanced control system designed for ease of use. This model features the Mobile Link™ technology, which enables users to monitor their generator’s status from anywhere using a smartphone, tablet, or computer. This ensures homeowners can stay informed about their power system’s readiness without having to physically inspect the unit.

Both models are equipped with Generac's True Power™ technology, which provides clean and stable power suitable for sensitive electronics, ensuring that appliances and devices run smoothly even during outages. Additionally, they come with a robust weather-resistant enclosure that protects them from the elements, ensuring long-lasting performance.

Installation of both units can be streamlined with their adaptable mounting pads and flexible connection options. Furthermore, Generac provides comprehensive support services, including warranty programs and maintenance plans, ensuring customers have access to the assistance they need post-purchase.

Overall, the Generac 005259-1 and 005260-1 generators exemplify reliability and innovation, making them excellent choices for homeowners seeking peace of mind when it comes to power outages. With advanced features, user-friendly technology, and powerful performance, they exemplify Generac’s dedication to delivering quality power solutions.
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