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AO G24KATA Series
Fujitsu AO G24KATA Series Service Manual
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AIR CONDITIONER
Simultaneous multi
SERVICE MANUAL
INDOOR
AUXG18KVLA × 2
AUXG22KVLA × 2
AUXG24KVLA × 2
AUXG18KVLA × 3
ARXG18KLLAP × 2
ARXG18KLLAP × 3
ARXG22KMLA × 2
ARXG24KMLA × 2
OUTDOOR
AOHG36KRTA
AOHG45KRTA
AOHG54KRTA
SR_SM001EG_05
2021.06.15
2
Table of Contents
Contents (Continued)
71
Table of Contents
71
E: 11. Serial Communication Error (Serial Reverse Transfer Error) (Outdoor Unit)
77
E: 11. Serial Communication Error (Serial Forward Transfer Error) (Indoor Unit)
79
E: 12. Wired Remote Controller Communication Error (Indoor Unit)
81
E: 18. External Communication Error (Indoor Unit)
83
E: 23. Combination Error (Outdoor Unit)
84
E: 26. Address Setting Error in Wired Remote Controller (Indoor Unit)
85
E: 29. Connected Unit Number Error (Indoor Unit)
86
E: 32. Indoor Unit Main PCB Error (Indoor Unit)
87
E: 33. Indoor Unit Motor Electricity Consumption Detection Error (Indoor Unit)
88
E: 35. MANUAL AUTO Button Error (Indoor Unit)
89
E: 39. Indoor Unit Power Supply Error for Fan Motor (Indoor Unit)
90
E: 41. Room Temperature Sensor Error (Indoor Unit)
92
E: 42. Indoor Unit Heat Exchanger Sensor Error (Indoor Unit)
93
E: 51. Indoor Unit Fan Motor Error (Indoor Unit)
94
E: 53. Drain Pump Error (Indoor Unit)
95
E: 62. Outdoor Unit Main PCB Error (Outdoor Unit)
96
E: 63. Inverter Error (Outdoor Unit)
97
E: 64. PFC Circuit Error (Outdoor Unit)
98
E: 65. Trip Terminal L Error (Outdoor Unit)
99
E: 71. Discharge Thermistor Error (Outdoor Unit)
100
E: 72. Compressor Thermistor Error (Outdoor Unit)
101
E: 73. Heat Exchanger (Middle/Outlet) Temperature Thermistor Error (Outdoor Unit)
102
E: 74. Outdoor Temperature Thermistor Error (Outdoor Unit)
103
E: 77. Heat Sink Thermistor Error (Outdoor Unit)
104
E: 84. Current Sensor Error (Outdoor Unit)
105
E: 86. High Pressure Switch Error (Outdoor Unit)
106
E: 86. Pressure Sensor Error (Outdoor Unit)
107
E: 94. Trip Detection (Outdoor Unit)
108
E: 95. Compressor Motor Control Error (Outdoor Unit)
109
E: 97. Outdoor Unit Fan Motor Error (Outdoor Unit)
110
E: 99. 4-Way Valve Error (Outdoor Unit)
112
Troubleshooting Without Error Code
121
Indoor Unit-No Power
121
Outdoor Unit-No Power
122
No Operation (Power Is On)
123
No Cooling/No Heating
125
Abnormal Noise
127
Water Leaking
128
Service Parts Information
129
Compressor
129
Inverter Compressor
130
Outdoor Unit Electronic Expansion Valve (EEV)
133
Indoor Unit Fan Motor
135
Outdoor Unit Fan Motor
136
Pressure Switch
137
4-Way Valve Coil (Solenoid Coil)/4-Way Valve
138
Thermistor Resistance Values
139
Indoor Unit
139
Outdoor Unit
140
4. Control and Functions
144
Compressor Frequency Control
147
Cooling Operation
147
Dry Operation
151
Heating Operation
151
Compressor Frequency at Normal Start-Up
152
Compressor Frequency Limitation by Outdoor Temperature
154
Auto Changeover Operation
156
Fan Control
158
Indoor Fan Control
158
Outdoor Fan Control
164
All Louver Control(for Compact Cassette Type)
166
Individual Louver Control(for Compact Cassette Type)
166
Louver Control
166
Swing Operation(for Compact Cassette Type)
167
Timer Operation Control
168
Wireless Remote Control
168
Wired Remote Control
170
Defrost Operation Control
173
Defrost Operation in Heating Operation Stopped
174
Auto Restart
175
C HEAT Operation
175
ECONOMY Operation
175
Fresh Air Control
175
Various Control
175
Compressor Preheating
176
Electronic Expansion Valve Control
176
External Electrical Heater Control
176
Drain Pump Control
177
4-Way Valve Control
178
Peak Cut Operation
178
Prevention to Restart for 3 Minutes (3 Minutes St)
178
Outdoor Unit Low Noise Operation
179
Anti-Freezing Control (Cooling and Dry Mode)
180
Discharge Gas Temperature Over-Rise Prevention Control
180
Various Protections
180
Current Release Control
181
Low Pressure Protection Control (Cooling Mode)
182
Compressor Temperature Protection
183
Indoor Unit Fan Motor over Temperature Protection
183
High Pressure Protection
184
5. Filed Working
186
Function Settings
187
Outdoor Unit
187
Compact Cassette Type (Setting by DIP Switch)
191
Slim Duct Type (Setting by DIP Switch)
193
Duct Type (Setting by DIP Switch)
195
Indoor Unit (Setting by Wireless Remote Controller)
197
Indoor Unit (Setting by Wired Remote Controller)
203
Indoor Unit (Setting by Simple Remote Controller)
209
Function Details
213
Wired Remote Controller (UTY-RNNYM)
219
Wired Remote Controller (UTY-RVNYM)
221
Simple Remote Controller (UTY-RSNYM)
222
Other manuals for Fujitsu AO G24KATA Series
Design & Technical Manual
228 pages
Service Instruction
92 pages
4
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Fujitsu AO G24KATA Series Specifications
General
Brand
Fujitsu
Model
AO G24KATA Series
Category
Air Conditioner
Language
English
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