AHET

UnclassifiedGeneral

What This Code Means

Common fault/prealarm line 1 activated; Common fault/prealarm line 2 activated; Fault lamp activated (activelow); Common fault/prealarm line activated; Fault lamp activated

Possible Causes

  • AHET (Anticipatory high engine temperature) fault
  • ALOP (Anticipatory low oil pressure) fault
  • AUX (Auxiliary) fault
  • Anticipatory high engine temperature (AHET) fault
  • Anticipatory high engine temperature (AHET) fault (Terminal 40)
  • Anticipatory low oil pressure (ALOP) fault
  • Anticipatory low oil pressure (ALOP) fault (Terminal 41)
  • Auxiliary (AUX) fault
  • Auxiliary (AUX) fault (Terminal 26)
  • Batterycharger fault
  • Batterychargerfault
  • ES (Emergency stop) fault
  • HET (High engine temperature) fault
  • High engine temperature (HET) fault
  • High engine temperature (HET) fault (Terminal 36)
  • LF (Low fuel) fault
  • LOP (Low oil pressure) fault
  • LWT (Low water temperature) fault
  • Low battery volts
  • Low fuel
  • Low fuel (LF) fault
  • Low fuel (LF) fault (Terminal 63)
  • Low oil pressure (LOP) fault
  • Low oil pressure (LOP) fault (Terminal 38)
  • Low water temperature (LWT) fault
  • Low water temperature (LWT) fault (Terminal 35)
  • OC (Overcrank) fault
  • OC, AUX, LWT, HET, LOP, OS, AHET, ALOP, and LF faults
  • OS (Overspeed) fault
  • Overcrank (OC) fault
  • Overcrank (OC) fault (Terminal 12)
  • Overspeed (OS) fault
  • Overspeed (OS) fault (Terminal 39)

Suggested Actions

  1. 1Activate audiovisual alarm or common fault relay
  2. 2Connect a remote annunciator and/or audiovisual alarm kit as an indicator with a dry contact kit connected to controller terminal strip TB1.
  3. 3Connect battery charger alarm contact to TB1-61 to activate fault lamp (activelow) (if used).
  4. 4Connect battery charger alarm contact to TB1-62
  5. 5Connect battery charger alarm contact to TB1-62 to activate fault lamp (activelow) (if used).
  6. 6Connect batterycharger alarm contact to TB1-61
  7. 7Connect fuel level sensor to TB1-63
  8. 8Connect fuel level sensor to TB1-63 to activate fault lamp (activelow) (if used).
  9. 9Use a remote annunciator and/or audiovisual alarm kit as an indicator with a dry contact kit connected to controller terminal strip TB1

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