Section 4 – Troubleshooting
IMPACT-36 plus II Recreational Vehicle Generator
4.1TROUBLESHOOTING GUIDE
PROBLEM | CAUSE | CORRECTION | ||
Engine won't crank. | 1. | Fuse is blown. | 1. | Replace 15 amp fuse. |
| 2. | Loose corroded or defective | 2. | Tighten, clean or replace |
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| battery cables. |
| as necessary. |
| 3. | Defective engine Start/Stop switch. | 3. | Replace Start/Stop switch. |
| 4. | Defective starter contactor. | 4. | Replace contactor. |
| 5. | Defective starter motor. | 5. | Replace starter motor. |
| 6. | Low or defective Battery | 6. | Charge or replace battery. |
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Engine cranks but won't start, | 1. | Out of fuel. | 1. | Replenish fuel. |
low full load power. | 2. | Fuel pump is defective (Gasoline), OR, | 2. | Replace defective fuel pump |
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| fuel solenoid is defective (LP). |
| or fuel solenoid. |
| 3. | Open Wire #14 from Eng. Control Bd. | 3. | Reconnect wire. |
| 4. | Engine is flooded. | 4. | Wait |
| 5. | Spark plug defective. | 5. | Clean, regap or replace plug. |
| 6. | Loose spark plug boot. | 6. | Press boot on securely. |
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Engine starts hard, runs rough. | 1. | Air cleaner plugged or damaged. | 1. | Clean or replace as needed. |
| 2. | Defective spark plug. | 2. | Clean, regap or replace plug. |
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Engine starts, shuts down | 1. | Engine oil is low. | 1. | Check oil; add as needed. |
when Start/Stop switch is | 2. | Engine is overheated. | 2. | Check adequate ventilation. |
released. | 3. | Defective Low Oil Pressure System | 3. | Have serviced/replaced. |
| 4. | Defective Control Board | 4. | Have board serviced/replaced. |
| 5. | Defective Computer Control Board. | 5. | Have board serviced/replaced. |
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Start/Stop switch at Stop, | 1. | Defective Start/Stop switch | 1. | Replace switch. |
engine continues to run. | 2. | Open/disconnected wire #18 between | 2. | Reconnect or close wire. |
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| Start/Stop switch and Control |
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| 3. | Open/disconnected wire #0 between | 3. | Reconnect or close wire. |
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| Start/Stop switch & Control Bd. |
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| 4. | Defective Control Board | 4. | Replace board. |
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No output from generator. | 1. | Check circuit breaker. | 1. | Reset to ON or CLOSED. |
| 2. | Check vehicle circuit breaker & fuses. | 2. | Reset and replace if necessary. |
| 3. | Transfer sw. set to NORMAL position. | 3. | Set to GENERATOR position. |
| 4. | Generator internal failure. | 4. | Take generator to an |
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| Authorized Generac facility. |
| 5. | Inverter defective. | 5. | Take generator to an |
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| Authorized Generac facility. |
Generac® Power Systems, Inc. 35