146

UnclassifiedCooling

What This Code Means

Pre - High Coolant Temp - Warning; CIRCUIT BREAKER (AC MAIN) TRIPS; EXCESSIVE EXHAUST SMOKE (BLACK)

Possible Causes

  • Increase in load
  • High ambient temp
  • Loose wire connections
  • Excessive or improper loads
  • Fuel supply issues
  • Intake restriction
  • Excessive loads

Suggested Actions

  1. 1Refer to PCC1302 troubleshooting guidelines
  2. 2Review fault code 151 correction list for other possible causes
  3. 3Evaluate fault codes
  4. 4Check loads
  5. 5Check for loose wire connections
  6. 6Measure voltage
  7. 7Measure amperage
  8. 8Measure frequency
  9. 9Check fuel supply
  10. 10Check intake restriction

Related Onan Fault Codes

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