AN

UnclassifiedCooling

What This Code Means

Controller produces an acoustic signal; LED of the RESET button flashes; Display blinks; Digital alarm output (AL) is activated; Display shows Active warning 'AN'; Display shows 'HIGH TEMPERATURE WATER * WARNING *'; Display shows 'HIGH TEMPERATURE WATER WARNING'; Display shows active warning 'AN'

Possible Causes

  • High water temperature
  • An alarm is detected
  • An alarm is detected by the controller

Suggested Actions

  1. 1Press the RESET button once to cancel the acoustic alarm
  2. 2Stop the engine to check the cause of the indicated fault
  3. 3Press the RESET button to reset the warning once 'N' is shown on the display
  4. 4Stop the engine to check the cause of the fault indicated
  5. 5Press the RESET button to reset the controller once the warning is no longer active and 'N' appears on the display
  6. 6Once the warning is no longer active and 'N' appears on the display, press the RESET button to reset

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for AN on your specific Himoinsa unit — cited to the OEM manual, not a forum guess.

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