During operation and immediately after stopping the unit, the sound of water flowing in the air conditioner’s piping may be heard.Whenever the Power Supply Plug is disconnected and then re- connected to a power outlet, the protection circuit will operate for about 3 minutes, preventing unit operation during that period.If the unit is stopped and then immediately started again, the compressor will not operate for about 3 minutes, in order to prevent fuse blowouts.Always be sure to disconnect the Power Supply Plug or turn off your circuit breaker to ensure that power is completely off.īefore requesting service, perform the following checks: Merely turning off the unit’s power switch will not completely disconnect the unit from the power source. In the event of a malfunction (burning smell, etc.), immediately stop operation, disconnect the Power Supply Plug, and consult authorized service personnel.
Fujitsu Air Conditioner Flashing Lights- J2, A1, A3, A5 Fujitsu Air Conditioner Troubleshooting Fujitsu Air Conditioner Troubleshooting An error display is displayed only during operation. See the lamp blinking patterns and error codes in the table below. If you use a wireless remote controller, the lamp on the photodetector unit will output error codes by way of blinking patterns. If you use a wired type remote controller, error codes will appear on the remote controller display.
Including Multi Systems (Not J Series or VRF)
Fujitsu Air Conditioner Operation Light Flashing Fujitsu Air Conditioner Cassette Error Codes Red Light OperationĪll Other Wireless Indoor Units AUY, ABY & AWY Models. Press “Energy Save” & “Zone Control” buttons simultaneously for longer than 3 secs to return to normal operating mode. Outdoor heat exchanger temperature (middle) error Problem - too high = short of gasĮxcessive high pressure protection on cooling Fujitsu AC Hardwired Remote Controller System Error Codes Error Codesĭischarge pipe temp.