General

OVERVOLTAGE

UnclassifiedElectrical

What This Code Means

Engine stops; 'OVERVOLTAGE' Fault Lamp Illuminates

Possible Causes

  • •Overvoltage
  • •Capacitive load (e.g., from power factor correction equipment)

Suggested Actions

  1. 1Disconnect the alternator from the load by turning off the circuit breaker (handle down).
  2. 2Reset the fault by turning the Control Switch to 'STOP' and restart engine.
  3. 3Check voltage on panel meters.
  4. 4If voltage is normal, ensure that the load is non-capacitive.
  5. 5If voltage remains high and cannot be adjusted to the normal level using the voltage adjust potentiometer (if fitted), refer to the Alternator Manual.

Related General Fault Codes

UNDERVOLTAGELOW BATTERY VOLTAGELBVBATTERY CHARGER FAILUREUNDERSPEEDOVERSPEEDNOT IN AUTO MODELOW OIL PRESSURELOW FUEL LEVELLOW COOLANT TEMPLOW COOLANT LEVEL
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