Self-Diagnosis By Wireless Remote Controller - Daikin RXYQ72 Serivce Manual

Troubleshooting by Remote Controller
1.3

Self-diagnosis by Wireless Remote Controller

In the Case of If equipment stops due to a malfunction, the operation indicating LED on the light reception section
flashes.
BRC7C ~ Type
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.)
1. Press the INSPECTION/TEST button to select "Inspection."
2. Set the Unit No.
3. Press the MODE selector button.
4. Malfunction code upper digit diagnosis
5. Press the MODE selector button.
6. Malfunction code lower digit diagnosis
110
The equipment enters the inspection mode. The "Unit" indication lights and the Unit No. display
shows flashing "0" indication.
Press the UP or DOWN button and change the Unit No. display until the buzzer (*1) is
generated from the indoor unit.
*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.
The left "0" (upper digit) indication of the malfunction code flashes.
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.
*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.
The right "0" (lower digit) indication of the malfunction code flashes.
Press the UP or DOWN button and change the malfunction code lower digit until the continuous
malfunction code matching buzzer (*2) is generated.
SiUS39-601
Troubleshooting