1 LONG 2 SHORT

UnclassifiedCooling

What This Code Means

Engine Over Speed; Engine stops; Oil pressure lamp on; Insufficient Charge; Rotation Sensor Malfunction; Solenoid Malfunction; Water Temperature Sensor Disconnection; Water Temperature Sensor Short Circuit; Charging Generator Terminal Disconnection; Over Voltage; High Water Temperature

Possible Causes

  • Engine revolution reaches 115% or more of rated speed
  • Low Oil Pressure (engine stops at 49 kPa or more)
  • Charging generator has no voltage
  • Defective sensor
  • Disconnection
  • Short circuit
  • Terminal disconnection
  • VCC at 18 V or more
  • Engine stops at 115 C or more

Suggested Actions

  1. 1Check all of the connections
  2. 2If connections are sound, contact the Service Department for repairs
  3. 3Make sure that routine service has been performed
  4. 4Check thermoswitch
  5. 5If the problem persists, contact the Service Department for repairs

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 1 LONG 2 SHORT on your specific Multiquip unit — cited to the OEM manual, not a forum guess.

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