SiBE04-624 Convenient Service Check FunctionService Diagnosis 1371. Convenient Service Check Function Failure diagnosis with operation lampThe operation lamp on the display of the indoor unit flashes when any of the following failure isdetected.1. When a protection device of the indoor or outdoor unit is activated or when the thermistormalfunctions and the machine does not work.2. When a signal transmission error occurs between the indoor and outdoor units.For detailed troubleshooting, refer to the following pages “Troubleshooting” (139~). Failure diagnosis by remote controllerWith the wireless remote controller supplied with the unit, or sold separately, error codes by failurediagnosis can be confirmed. (Press timer cancel button down for 5 seconds continuously.)ARC447A series1. Hold the timer cancel button down for 5 seconds, with the remote controller set toward theindoor unit.2. The temperature display on the remote controller changes to the error code display and along beep notifies this indication change.To cancel indication of error code, hold the timer cancel button down for 5 seconds.The code display also cancels itself if the button is not pressed for 1 minute.Multi-colored indicator lamp(R5904)E5(R5075)Timer cancelbutton(R5074)
