Service Manual
Table Of Contents
- SERVICE MANUAL
- 1. GENERAL INFORMATION
- 2. TECHNICAL DATA AND PARTS LIST
- 3. TROUBLESHOOTING
- 1. Error code
- 2. Troubleshooting with error code
- 2-1. E: 11. Serial communication error (Serial reverse transfer error) (Outdoor unit)
- 2-2. E: 11. Serial communication error (Serial forward transfer error) (Indoor unit)
- 2-3. E: 12. Wired remote controller communication error (Indoor unit)
- 2-4. E: 18. External communication error (Indoor unit)
- 2-5. E: 32. Indoor unit main PCB error (Indoor unit)
- 2-6. E: 35. MANUAL AUTO button error (Indoor unit)
- 2-7. E: 41. Room temperature sensor error (Indoor unit)
- 2-8. E: 42. Indoor unit heat exchanger sensor error (Indoor unit)
- 2-9. E: 51. Indoor unit fan motor error (Indoor unit)
- 2-10. E: 58. Intake grille error (Indoor unit)
- 2-11. E: 62. Outdoor unit main PCB error (Outdoor unit)
- 2-12. E: 63. Inverter error (Outdoor unit)
- 2-13. E: 64. PFC circuit error (Outdoor unit)
- 2-14. E: 71. Discharge thermistor error (Outdoor unit)
- 2-15. E: 73. Outdoor unit heat exchanger thermistor error (Outdoor unit)
- 2-16. E: 74. Outdoor temperature thermistor error (Outdoor unit)
- 2-17. E: 84. Current sensor error (Outdoor unit)
- 2-18. E: 94. Trip detection (Outdoor unit)
- 2-19. E: 95. Compressor motor control error (Outdoor unit)
- 2-20. E: 97. Outdoor unit fan motor error (Outdoor unit)
- 2-21. E: 99. 4-way valve error (Outdoor unit)
- 2-22. E: A1. Discharge temperature error (Outdoor unit)
- 3. Troubleshooting without error code
- 4. Troubleshooting with error code (For wireless LAN adapter)
- 4-1. E: 18. External communication error between indoor unit and WLAN adapter
- 4-2. Wireless LAN adapter error
- 4-3. Network communication error between wireless LAN router and WLAN adapter
- 4-4. E: 18. Communication error
- 4-5. E: 18. Wireless LAN adapter non-energized
- 4-6. Wireless LAN adapter Sleep mode (Indoor unit)
- 4-7. Mobile app setting method
- 5. Service parts information
- 6. Thermistor resistance values
- 4. CONTROL AND FUNCTIONS
- 1. Compressor frequency control
- 2. Auto changeover operation
- 3. Fan control
- 4. Louver control
- 5. Timer operation control
- 6. Defrost operation control
- 7. Various control
- 7-1. Auto restart
- 7-2. MANUAL AUTO operation
- 7-3. Forced cooling operation
- 7-4. 10 °C HEAT operation
- 7-5. ECONOMY operation
- 7-6. POWERFUL operation
- 7-7. Compressor preheating
- 7-8. Electronic expansion valve control
- 7-9. Prevention to restart for 3 minutes (3 minutes st)
- 7-10. 4-way valve control
- 7-11. Outdoor unit low noise operation
- 8. Various protections
- 5. FILED WORKING
Item no. Part no. Part name Service part
50
9383735042 Evaporator total assy (for 09-12 model) ♦
9383735059 Evaporator total assy (for 15 model) ♦
51 9387467000 Room thermistor holder ♦
52 9306489045 Terminal ♦
53
9711141392 Main PCB (for 09 model) ♦
9711141408 Main PCB (for 12 model) ♦
9711141415 Main PCB (for 15 model) ♦
54 9900627041 Thermistor assy ♦
55 9711146014 Display assy ♦
56 9317755061 Pyroelectric sensor ♦
57 9387589023 Motor case assy ♦
58 9603821005 Brushless motor ♦
59 9383565007 Pipe bracket ♦
60 9387488043 Cable guide ♦
61 9387714012 Gear case assy ♦
62 9383728006 R and L louver SPM assy ♦
63 9387590036 Drain pan total assy ♦
64 9316904002 Drain hose assy ♦
65 9316177017 Drain cap ♦
66 9387591019 Drain pan assy ♦
67 9383727009 Spacer K assy ♦
68 9333628004 Bearing D assy ♦
69 9387055054 Crossflow fan assy ♦
70 9387587029 Base assy ♦
a — Control box —
b — Control cover —
c — Display case —
d — Motor case —
e — Motor cover assy —
2-1. Models: ASUG09LZAS, ASUG12LZAS, and ASUG15LZAS - (02-5) - 2. Indoor unit parts list
TECHNICAL DATA
AND PARTS LIST
TECHNICAL DATA
AND PARTS LIST