HIGH COOLANT TEMP A

UnclassifiedCooling

What This Code Means

Under Voltage; Circuit Breaker OFF; Engine Shutdown; Over Voltage; Under Frequency; Over Frequency; Over Current; High Battery Voltage; Low Battery Voltage; Weak Battery Voltage; Low Fuel Level; Low Oil Pressure; High Coolant Temperature; Over Speed; Engine shuts down after 1-minute cooldown; Loss of Excitation; Under voltage; Over voltage; Under frequency; Over frequency; Over current; Over reverse power; Over power; Loss of excitation; Battery overvoltage; Low battery voltage; Weak battery voltage; Low fuel level; Low oil pressure; High coolant temperature; Over speed; Circuit Breaker trips; ECU Shutdown LED illuminates; Engine stops after 1-minute cooldown; Over Reverse Power; Over Power; Battery Overvoltage

Possible Causes

  • Under voltage occurs
  • Over voltage occurs
  • Frequency drops to set point: 54 Hz
  • Frequency reaches set point: 66 Hz
  • Overcurrent occurs
  • Battery voltage reaches set point: 15 V
  • Battery voltage drops to set point: 11 V
  • Battery voltage drops to set point: 8.5 V
  • Fuel level drops to set point: 20%
  • Fuel level drops to set point: 5%
  • Oil pressure drops to set point: 25 psi (172 kPa)
  • Oil pressure drops to set point: 7 psi (48 kPa)
  • Coolant temperature reaches set point: 200°F (93°C)
  • Coolant temperature reaches set point: 212°F (100°C)
  • Engine speed reaches set point: 2,070 rpm
  • Loss of excitation occurs
  • When under voltage occurs
  • When over voltage occurs
  • Set point: 56 Hz
  • Set point: 54 Hz

Suggested Actions

  1. 1Stops engine after 1-minute cooldown

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