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Appendix 1 – Troubleshooting
QUIETPACT™ 75D Recreational Vehicle Generator
TROUBLESHOOTING GUIDE
PROBLEM | CAUSE | CORRECTION | ||
The engine will not crank. | 1. | System control fuse blown | 1. | Replace fuse. |
| 2. | Loose corroded or defective | 2. | Tighten, clean, or replace, |
|
| battery cables |
| as necessary. |
| 3. | Defective engine Start/Stop | 3. | Replace Start/Stop switch. |
|
| 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. |
| 7. | Defective engine control board | 7. | Replace control board. |
The engine cranks but | 1. | Vehicle fuel shutoff valve closed | 1. | Open valve, if so equipped. |
will not start. | 2. | Out of fuel | 2. | Replenish fuel. |
| 3. | Defective fuel solenoid (FS) | 3. | Replace solenoid. |
| 4. | Defective fuel pump (FP) | 4. | Repair or replace fuel pump. |
| 5. | Open #14 wire from | 5. | Check connections and |
|
| engine control board |
| insulation of #14 wires. |
| 6. | Plugged fuel filter or fuel line | 6. | Clean or replace fuel filter or line. |
| 7. | Engine mechanical parts failure | 7. | Repair or replace parts. |
| 8. | Defective engine control board | 8. | Replace control board. |
The engine starts hard | 1. | Plugged or damaged | 1. | Check, clean, or replace, as needed. |
and runs rough. |
| air filter |
|
|
| 2. | Defective fuel pump (FP) | 2. | Repair or replace fuel pump. |
| 3. | Plugged fuel filter or fuel line | 3. | Clean or replace fuel filter or line. |
| 4. | Water in fuel | 4. | Drain fuel system and refill. |
| 5. | Improper preheat | 5. | Preheat unit. |
The engine starts, but shuts | 1. | Low engine oil level | 1. | Check oil and add oil, as needed. |
down when the Start/Stop | 2. | Overheated engine | 2. | Check cooling system for leaks. |
switch is released. | 3. | Defective Start/Stop Switch | 3. | Disconnect Remote Harness |
|
| on panel or remote Start/Stop |
| Check/Replace Start/Stop Switch |
| 4. | Defective | 4. | Replace pressure switch. |
|
| pressure switch |
|
|
| 5. | Defective | 5. | Replace temperature switch. |
|
| temperature switch |
|
|
| 6. | No AC output | 6. | Contact a Generac Authorized |
|
|
|
| Service Dealer |
| 7. | Defective engine control board | 7. | Replace control board. |
The Start/Stop switch is | 1. | Defective Start/Stop switch | 1. | Replace switch. |
set to Stop, but the engine | 2. | Open/Disconnected #18 wire | 2. | Reconnect or close wire. |
continues to run. |
| between Start/Stop switch |
|
|
|
| and engine control board |
|
|
| 3. | Open/Disconnected #0 wire | 3. | Reconnect or close wire. |
|
| between Start/Stop switch |
|
|
|
| and engine control board |
|
|
| 4. | Defective engine control board | 4. | Replace control board. |
There is no AC output from | 1. | 1. | Reset line breaker | |
the generator. |
|
|
| to ON (or closed). |
| 2. | Fault with vehicle circuit | 2. | Reset and replace, if necessary. |
|
| breaker and/or fuses |
|
|
| 3. | Generator internal failure | 3. | Contact a Generac Authorized |
|
|
|
| Service Dealer. |
Generac® Power Systems, Inc. 37