Service Check Function
Si18-525B
322
Troubleshooting
2.4
SkyAir Indoor Unit 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.
∗
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.
∗
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.
Summary of Contents for D-Series
Page 1: ...Si18 525B Applied Models Super Multi Plus Cooling only Super Multi Plus Heat Pump D Series ...
Page 33: ...List of Functions Si18 525B 20 List of Functions ...
Page 71: ...Specifications Si18 525B 58 Specifications ...
Page 117: ...Refrigerant Flow for Each Operation Mode Si18 525B 104 Refrigerant Circuit ...
Page 171: ...Indoor Unit SkyAir Models Si18 525B 158 Function ...
Page 207: ...Test Operation and Field Setting for RA Indoor Unit Si18 525B 194 Test Operation ...
Page 336: ...Si18 525B Service Check Function Troubleshooting 323 ...
Page 469: ...Wiring Diagrams Si18 525B 456 Appendix ...
Page 475: ...Si18 525B vi Index ...
