Daikin FHYB45FV1 [105/244] Fault diagnosis by wireless remote controller

Procedure of Self-Diagnosis by Remote Controller Si-71A

94 Troubleshooting

4.3 Fault Diagnosis by Wireless Remote Controller

If equipment stops due to a malfunction, the operation indicating LED on the light reception section flashes.

The malfunction code can be determined by following the procedure described below. (The malfunction

code is displayed when an operation error has occurred. In normal condition, the malfunction 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) is generated from

the indoor unit.

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1 Number of beeps

3 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 indicates that 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 diagnosis

Press the UP or DOWN button and change the malfunction code upper digit until the malfunction code

matching buzzer (*2) is generated.

„

The upper digit of the code changes as shown below when the UP and DOWN buttons are pressed.

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2 Number of beeps

Continuous 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 diagnosis

Press the UP or DOWN button and change the malfunction code lower digit until the continuous

malfunction code matching buzzer (*2) is generated.

„

The lower digit of the code changes as shown below when the UP and DOWN buttons are pressed.