Service Check Function SiAU18-715312 Troubleshooting2.4 SkyAir Indoor Unit Wireless Remote ControllerIf equipment stops due to a malfunction, the operation indicating LED on the light receptionsection flashes.The malfunction code can be determined by following the procedure described below. (Themalfunction code is displayed when an operation error has occurred. In normal condition, themalfunction code of the last problem is displayed.)Procedure 1. Press the INSPECTION/TEST button to select “Inspection.”The equipment enters the inspection mode. The “Unit” indication lights and the Unit No.display shows flashing “0” indication.2. Set the Unit No.Press the UP or DOWN button and change the Unit No. display until the buzzer (*1) isgenerated from the indoor unit.∗1 Number of beeps3 short beeps : Conduct all of the following operations.1 short beep : Conduct steps 3 and 4.Continue the operation in step 4 until a buzzer remains ON. The continuous buzzer indicatesthat the malfunction code is confirmed.Continuous beep : No abnormality.3. Press the MODE selector button.The left “0” (upper digit) indication of the malfunction code flashes.4. Malfunction code upper digit diagnosisPress the UP or DOWN button and change the malfunction code upper digit until themalfunction code matching buzzer (*2) is generated. The upper digit of the code changes as shown below when the UP and DOWN buttons arepressed.∗2 Number of beepsContinuous beep : Both upper and lower digits matched.(Malfunction code confirmed)2 short beeps: Upper digit matched.1 short beep : Lower digit matched.5. Press the MODE selector button.The right “0” (lower digit) indication of the malfunction code flashes.6. Malfunction code lower digit diagnosisPress the UP or DOWN button and change the malfunction code lower digit until thecontinuous malfunction code matching buzzer (*2) is generated. The lower digit of the code changes as shown below when the UP and DOWN buttons arepressed.