00 - 0AD
UnclassifiedCooling
What This Code Means
Excessive exhaust smoke under load; High AC output; High exhaust temperature; Low AC output
Possible Causes
- •Intake air restrictions
- •Broken or loose wires
- •Overloaded generator
- •Incorrect valve settings
- •Incorrect injection pump timing
- •Improper coolant flow out of exhaust
- •Malfunctioning exhaust temp switch
- •Damaged exhaust temp switch
- •Plugged sea strainer
- •Damaged impeller
- •Faulty voltage regulator
- •Faulty transformer regulator
- •Incorrect engine speed
- •Incorrect voltage adjustment pot setting
- •Incorrect output lead wiring configuration
- •Faulty main rotor
- •Faulty main stator
- •Faulty excitor rotor
- •Faulty excitor stator
Suggested Actions
- 1Check intake air restrictions
- 2Check for overloaded generator
- 3Check valve settings
- 4Check injection pump timing
- 5Check proper coolant flow out of exhaust
- 6Check exhaust temp switch for proper operation
- 7Check for damaged exhaust temp switch
- 8Check for plugged sea strainer
- 9Check for damaged impeller
- 10Check for broken or loose wires
- 11Check voltage regulator
- 12Check transformer regulator
- 13Check engine speed
- 14Check voltage adjustment pot setting
- 15Check output lead wiring configuration
- 16Check main rotor
- 17Check main stator
- 18Check excitor rotor
- 19Check excitor stator
Related Onan Fault Codes
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