Fujitsu Air Conditioner Error Codes and Troubleshooting

Fujitsu troubleshooting info:

• Remote Control Not Working

  • Replace the batteries (use fresh ones).
  • If it still doesn’t work, consider buying a new remote from Fujitsu.

• Swing Arm Not Moving

  • Likely an internal electrical issue.
  • Contact a technician to inspect the swing motor or circuit board.

• Resetting Your Air Conditioner

  • Use the RESET button on the remote (bottom side).
  • To reset the filter light, press the RESET key on the unit after cleaning the filters.

• Air Conditioner Won’t Turn Off

  • Could be a sensor issue, dirty filters, or a blocked condenser.
  • Electrical faults like relay switch issues need a technician.

• Water Leaking from Unit

  • Likely a blocked or disconnected drain pipe.
  • Clear the drain line using a wet/dry vacuum or call a professional.
  • Low refrigerant or a damaged drain pan can also cause leaks—get a technician.

• Not Cooling Properly

  • Check and clean filters.
  • Ensure the thermostat is set correctly.
  • A dirty condenser or low refrigerant may need professional servicing.

• Heat Mode Not Working

  • Check if your unit has a heat mode.
  • Ensure it’s set to “HEAT” mode, and the temperature is higher than room temperature.
  • Clean filters and check airflow.
  • If still not working, call a technician.