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 005221-0 owner manual Troubleshooting Guide, Problem Cause Correction
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005221-0 specifications

Generac Power Systems 005221-0 is a highly reliable portable generator that stands out in the market for its efficiency and advanced features. Designed for both home and recreational use, this generator delivers power when it's needed most, ensuring that users can stay connected and maintain their activities during power outages or job sites without electricity.

One of the main features of the Generac 005221-0 is its robust engine design. It is powered by a reliable OHV (Overhead Valve) engine that offers a consistent power output while maintaining fuel efficiency. This design ensures that the generator can run for extended periods, making it perfect for emergency situations or outdoor events.

The generator boasts a versatile power output, with a maximum capacity of 3,500 running watts and 4,500 starting watts. This level of output allows it to handle essential appliances like refrigerators, lights, and sump pumps, as well as power tools and other higher-demand equipment. The inclusion of multiple outlets, including both 120V and 30A twist-lock outlets, provides flexibility in power distribution, catering to different user needs.

One notable technology incorporated in the Generac 005221-0 is the PowerRush Technology, which offers an extra boost of power for starting larger appliances. This means that users can simultaneously power multiple devices without experiencing any performance dips. Furthermore, the generator is equipped with features that enhance user convenience, including an easy-to-read LED dashboard that displays key information such as power output and oil levels.

Durability and portability are other key characteristics of this generator. It features a compact and lightweight design combined with a sturdy frame and rubberized handle for easy transport. The never-flat wheels ensure that it can be moved easily across various terrains, making it suitable for job sites, camping trips, and other outdoor uses.

In terms of safety, the Generac 005221-0 is designed with an integrated circuit breaker to prevent overloads, as well as a low-oil shutdown feature that stops the engine when oil levels are critically low. This ensures that the generator operates safely and extends its lifespan.

Overall, the Generac Power Systems 005221-0 is an excellent choice for those in need of a dependable, efficient, and versatile portable generator. Its combination of innovative technology, robust features, and user-friendly design makes it a valuable asset for any home or outdoor enthusiast.
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