| Engine won’t crank. | 1. 15 amp fuse blown. 2. Loose or corroded or defective battery cables. 3. Defective starter contactor. 4. Defective starter motor. 5. Dead or Defective Battery. 6. 5 amp fuse blown. | 1. Replace fuse. 2. Tighten, clean or replace batter cables as necessary. 3. Replace contactor.* 4. Replace starter motor.* 5. Remove, change or replace battery. 6. Replace fuse.* |
| Engine cranks but won't start | 1. Out of fuel. 2. Fuel solenoid (FS) is defective 3. Open Wire #14A from Engine Control circuit board. | 1. Replenish fuel. 2. Replace solenoid.* 3. Reconnect wire. |
| Engine starts hard, runs rough. | 1. Flame arrestor (air cleaner) plugged or damaged. | 1. Clean or replace as needed. |
| Engine starts then shuts down. | 2. Plugged fuel line. 3. Defective spark plugs. 4. Fuel pressure incorrect. | 2. Unclog fuel line. 3. Clean, regap or replace plugs. 4. Confirm fuel pressure to regulator is as recommended in SPECIFICATIONS. |
| Engine oil level is low. | 1. Engine oil level is low. 2. Engine is overheated. 3. Defective Low Oil Pressure Switch 4. Defective Coolant Temperature Switch 5. Defective Control Module circuit board. 6. Coolant Level is Low. 7. Defective Low Coolant Level Switch | 1. Check oil and add oil as needed. 2. Check cooling system for leaks. 3. Replace switch.* 4. Replace switch.* 5. Replace board.* 6. Repair leak - Add coolant. 7. Replace Switch.* |
| AUTO/OFF/MANUAL Switch at OFF, engine continues to run. | 1. Defective AUTO/OFF/MANUAL switch 2. Open/disconnected wire #15A between AUTO/OFF/MANUAL switch and Control Module circuit board. 3. Defective Control Module circuit board | 1. Replace switch.* 2. Reconnect/close wire. 3. Replace board.* |
| No AC output from generator. | 1. Check main line circuit breaker. 2. Check circuit breaker & fuses. 3. Transfer switch set to NORMAL position 4. Generator internal failure. 5. Thermal circuit breaker open. | 1. Reset to ON or CLOSED. 2. Reset and replace, if necessary. 3. Set to GENERATOR position. 4. *Contact the nearest Dealer for assistance. 5. Auto-reset - Wait 5 min. and attempt restart. |
| If ESCAPE is pressed instead of ENTER, your generator will only run in manual mode (for test purposes) and NOT ACTIVATED will be displayed. | Pressing ESCAPE during the activation process | Remove the generator control panel fuse AND disconnect the T1, N1 and N2 connector in the external connection box (if equipped); or disconnect utility input (main breaker) to the transfer switch for 3-5 seconds and reconnect, then begin with Step 1. |
| "Wrong Passcode Try Again" appears | Incorrect activation code entered | Re-enter the activation code. If a second attempt is unsuccessful, check the number against the code given on activategen.com. If it is correct and the generator will not accept it, contact 1-888-9ACTIVATE (922-8482). |
| Engine cranks but won’t start. | 1. Out of fuel. 2. Fuel solenoid (FS) is defective. 3. Spark plugs defective. | 1. Replenish fuel/turn on fuel valve. 2. Replace solenoid.* 3. Clean, regap or replace plugs. |