Generac Power Systems 04389-3 ユーザーズマニュアル

 24 

The engine will not crank. 

1.  Fuse blown. 

1.  Replace 15A fuse in generator 

 

  

 control 

panel.

 

2.  Loose, corroded or defective 

2.  Tighten, clean or replace

 

 battery 

cables. 

 as 

necessary.

 

3.  Defective starter contactor. (7 kW)  3.  *

 

4.  Defective starter motor. 

4.  *

 

5.  Dead Battery. 

5.  Charge or replace battery.

 
The engine cranks but  

1.  Out of fuel. 

1.  Replenish fuel.

will not start. 

2.  Defective fuel solenoid (FS). 

2.  *

 

3.  Open #14 wire from  

3.  *

 

  engine control board.

 

4.  Defective spark plug(s). 

4.  Clean, re-gap or replace plug(s).

 

5.  Valve lash out of adjustment. 

5.  Reset valve lash.

 
The engine starts hard 

1.  Air cleaner plugged 

1.  Check, replace air cleaner.

and runs rough. 

  or damaged. 

 

 

2.  Defective spark plug(s). 

2.  Clean, re-gap or replace plug(s).

 

3.  Fuel Regulator not set. 

3.  Set Fuel Regulator.

 

4.  Fuel Pressure incorrect. 

4.   Confirm fuel pressure to regulator

is 10-12” water column (0.36-0.43 
psi) for LP, and 5-7” water colum 
(0.18-0.25 psi) for natural gas.

 
The Auto/Off/Manual switch  

1.  Defective switch. 

1.  *

is set to OFF, but the engine 

2.  Auto/Off/Manual switch 

2.  *

continues to run. 

  wired incorrectly.

 

3.  Defective control board.  

3.  *

 
There is no AC output from  

1.  Main line circuit breaker open. 

1.  Reset circuit breaker 

the generator. 

   

  to ON (or closed).

 

2.  Generator internal failure. 

2.  *

 
There is no transfer to  

1.  Defective transfer switch coil. 

1.  *

standby after utility  

2.  Defective transfer relay. 

2.  *

source failure. 

3.  Transfer relay circuit open. 

3.  *

 

4.  Defective control logic board. 

4.  *

 
Unit consumes large 

1.  Break-in procedure 

1.  *

amounts of oil. 

  not followed (see Section 3.1).

*Contact the nearest Authorized Dealer for assistance.