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GENERAL ASHG18KMTA
Fujitsu GENERAL ASHG18KMTA User Manual
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AIR CONDITIONER
Wall mounted type
SERVICE MANUAL
INDOOR
ASHG18KMTE
ASHG24KMTE
OUTDOOR
AOHG18KMTA
AOHG24KMTA
SR_AS070EG_02
2022.03.30
2
Table of Contents
1. General Information
6
Table of Contents
6
Specifications
7
Indoor Unit
7
Outdoor Unit
10
Dimensions
11
Indoor Unit
11
Outdoor Unit
13
2. Technical Data and Parts List
16
Precautions
17
Indoor Unit Parts List
18
Models: ASHG18KMTE and ASHG24KMTE
18
Model: AOHG18KMTA
22
Outdoor Unit Parts List
22
Model: AOHG24KMTA
26
Accessories
30
Indoor Unit
30
Outdoor Unit
31
Model: AOHG18KMTA
32
Refrigerant System Diagrams
32
Model: AOHG24KMTA
33
Indoor Unit
34
Wiring Diagrams
34
Outdoor Unit
35
Models: ASHG18KMTE and ASHG24KMTE
37
PC Board Diagrams
37
Model: AOHG18KMTA
38
Model: AOHG24KMTA
39
3. Troubleshooting
42
Error Code
45
How to Check the Error Memory
45
How to Erase the Error Memory
45
Error Code Table (Indoor Unit and Wired Remote Controller)
46
E: 11. Serial Communication Error (Serial Reverse Transfer Error) (Outdoor Unit)
48
Troubleshooting with Error Code
48
E: 11. Serial Communication Error (Serial Forward Transfer Error) (Indoor Unit)
50
E: 12. →Ired Remote Controller Communication Error (Indoor Unit)
52
E: 18. External Communication Error (Indoor Unit)
53
E: 22. Indoor Unit Capacity Error (Indoor Unit)
54
E: 23. Combination Error (Outdoor Unit)
55
E: 26. Address Setting Error in Wired Remote Controller (Indoor Unit)
56
E: 29. Connected Unit Number Error (Indoor Unit)
57
E: 32. Indoor Unit Main PCB Error (Indoor Unit)
58
E: 33. Indoor Unit Motor Electricity Consumption Detection Error (Indoor Unit)
59
E: 35. MANUAL AUTO Button Error (Indoor Unit)
60
E: 39. Indoor Unit Power Supply Error for Fan Motor (Indoor Unit)
61
E: 3A. Indoor Unit Communication Circuit (Wired Remote Controller) Error
62
E: 41. Room Temperature Sensor Error (Indoor Unit)
63
E: 42. Indoor Unit Heat Exchanger Sensor Error (Indoor Unit)
64
E: 51. Indoor Unit Fan Motor Error (Indoor Unit)
65
E: 62. Outdoor Unit Main PCB Error (Outdoor Unit)
66
E: 63. Inverter Error (Outdoor Unit)
67
E: 64. PFC Circuit Error (Outdoor Unit)
68
E: 65. Trip Terminal L Error (Outdoor Unit)
69
E: 71. Discharge Thermistor Error (Outdoor Unit)
70
E: 72. Compressor Thermistor Error (Outdoor Unit) (for 24Model)
71
E: 73. Outdoor Unit Heat Exchanger Liquid Outlet Thermistor Error (Outdoor Unit)
72
E: 74. Outdoor Temperature Thermistor Error (Outdoor Unit)
73
E: 84. Current Sensor Error (Outdoor Unit)
74
E: 86. High Pressure Switch Error (Outdoor Unit)
75
E: 94. Trip Detection (Outdoor Unit)
76
E: 95. Compressor Motor Control Error (Outdoor Unit)
77
E: 97. Outdoor Unit Fan Motor Error (Outdoor Unit)
78
E: 99. 4-Way Valve Error (Outdoor Unit)
79
E: A1. Discharge Temperature Error (Outdoor Unit)
81
E: A3. Compressor Temperature Error (Outdoor Unit)
83
Indoor Unit-No Power
85
Troubleshooting Without Error Code
85
Outdoor Unit-No Power
86
No Operation (Power Is On)
87
No Cooling/No Heating
88
Abnormal Noise
90
Ater Leaking
91
Compressor
92
Service Parts Information
92
Inverter Compressor
93
Outdoor Unit Electronic Expansion Valve (EEV)
95
Indoor Unit Fan Motor
97
Outdoor Unit Fan Motor
98
Indoor Unit
99
Thermistor Resistance Values
99
Outdoor Unit
100
4. Control and Functions
104
Cooling Operation
107
Rotation Number Control of Compressor
107
Dry Operation
109
Heating Operation
109
Rotation Number of Compressor at Normal Start-Up
110
Compressor Frequency Limitation by Outdoor Temperature
111
Auto Changeover Operation
113
Fan Control
115
Indoor Fan Control
115
Outdoor Fan Control
118
Adjust the Horizontal Louver
120
Louver Control
120
Vertical Airflow Direction Louver Control
120
Ireless Remote Control
121
Timer Operation Control
121
Ired Remote Control
123
Defrost Operation Control
126
Defrost Operation in Heating Operation Stopped
127
Auto Restart
128
MANUAL AUTO Operation
128
Various Control
128
C HEAT Operation
129
ECONOMY Operation
129
Forced Cooling Operation
129
Compressor Preheating
130
Fresh Air Control
130
PO→ERFUL Operation
130
Electronic Expansion Valve Control
131
External Electrical Heater Control
131
Prevention to Restart for 3 Minutes (3 Minutes St)
131
4-Way Valve Control
132
Outdoor Unit Low Noise Operation
132
Anti-Freezing Control (Cooling and Dry Mode)
133
Discharge Gas Temperature Over-Rise Prevention Control
133
Various Protections
133
Compressor Temperature Protection
134
Cooling Pressure Over-Rise Protection
134
Current Release Control
134
High Pressure Protection
135
Low Outdoor Temperature Protection
135
5. Filed Working
138
Function Settings
139
Function Settings by Using Remote Controller
139
Custom Code Setting for Wireless Remote Controller
145
External Input and Output
146
External Input
147
External Output
150
Setting of External Input and Output
152
Details of Control Input Function
153
Details of Control Output Function
157
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Fujitsu GENERAL ASHG18KMTA Specifications
General
Brand
Fujitsu
Model
GENERAL ASHG18KMTA
Category
Air Conditioner
Language
English
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