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Fujitsu ASU18RLB Service Manual

Fujitsu ASU18RLB
71 pages
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SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTED
type
Models Indoor unit Outdoor unit
INVERTER
SERVICE
INSTRUCTION
R410A
ASU18RLB
ASU24RLB
AOU18RLB
AOU24RLB

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Fujitsu ASU18RLB Specifications

General IconGeneral
BrandFujitsu
ModelASU18RLB
CategoryAir Conditioner
LanguageEnglish

Summary

5. Indoor Fan Control

6. Outdoor Fan Control

8. Compressor Control

9. Timer Operation Control

23. Defrost Operation Control

24. Off Defrost Operation Control

25. Various Protections

2. Trouble Shooting

2-2 Troubleshooting with Error Codes

Troubleshooting steps for specific error codes.

5. Indoor Room Thermistor Errors

Troubleshooting for indoor room thermistor errors.

6. Indoor Heat Exchanger (Pipe) Thermistor Errors

Troubleshooting for indoor heat exchanger thermistor errors.

7. Indoor Unit Fan Motor Errors

Troubleshooting for indoor fan motor errors.

9. Outdoor Unit Main PCB Errors

Troubleshooting for outdoor unit PCB errors.

11. IPM Errors

Troubleshooting for IPM errors.

12. Discharge Thermistor Errors

Troubleshooting for discharge thermistor errors.

13. Heat Exchanger (Pipe) Thermistor Errors

Troubleshooting for heat exchanger pipe thermistor errors.

14. Outdoor Thermistor Errors

Troubleshooting for outdoor thermistor errors.

15. Current Sensor Errors

Troubleshooting for current sensor errors.

17. Compressor Motor Control Errors

Troubleshooting for compressor motor control errors.

18. Outdoor Unit Fan Motor Errors

Troubleshooting for outdoor fan motor errors.

19. 4-Way Valve Errors

Troubleshooting for 4-way valve errors.

20. Discharge Temperature Errors

Troubleshooting for discharge temperature errors.

2-3 Troubleshooting with No Error Code

Troubleshooting when no error code is displayed.

23. No Operation (Power On)

Troubleshooting for no operation when power is on.

24. No Cooling / No Heating

Troubleshooting for no cooling or heating.

25. Abnormal Noise Troubleshooting

Troubleshooting for abnormal noise.

3. Appending Data

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