FAULT CODE 7

UnclassifiedSpeed

What This Code Means

Overcrank; Loss of Raw Water Flow

Possible Causes

  • Broken or loose wires
  • Grounded or shorted S6 switch leads

Suggested Actions

  1. 1Check battery voltage
  2. 2Check fuel supply
  3. 3Check governor actuator operation
  4. 4Verify control plugs are fully seated
  5. 5Verify field sense and quad leads are fully seated in connector to control
  6. 6Check AC output
  7. 7Check field voltage
  8. 8Check for broken or loose wires
  9. 9Check field windings
  10. 10Check proper field resistance reading (open to ground)
  11. 11Check brush condition and contact
  12. 12Check proper quadrature resistance reading (open to ground and main windings)
  13. 13Check cylinder compression
  14. 14Check raw water supply
  15. 15Check raw water flow
  16. 16Check for grounded or shorted S6 switch leads

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