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Fujitsu Manuals
Air Conditioner
Airstage V series
Service manual
Indoor Unit Operation - Fujitsu Airstage V series Service Manual
Multi air conditioning system for buildings
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Operating manual
(2 pages)
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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5 . INDOOR UNIT OPERATION
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Table of Contents
Troubleshooting
TROUBLE SHOOTING
90
Normal operation troubleshooting
91
Outdoor Unit Display Troubleshooting
92
Abnormal Operation Troubleshooting
94
Remote Controller Troubleshooting
95
Troubleshooting 1 - Indoor Unit Error Method: Model Information Error
99
Troubleshooting 2 - Indoor Unit Error Method: Power Frequency Abnormal
100
Troubleshooting 3 - Indoor Unit Error Method: EEPROM Access Abnormal
101
Troubleshooting 4 - Indoor Unit Error Method: Indoor Temperature sensor error
102
Troubleshooting 5 - Indoor Unit Error Method: Heat Exchanger Inlet Sensor Error
103
Troubleshooting 6 - Indoor Unit Error Method: Heat Exchanger Middle Sensor Error
104
Troubleshooting 7 - Indoor Unit Error Method: Water Drain Abnormal
105
Troubleshooting 8 - Indoor Unit Error Method: Indoor Unit Fan Motor Abnormal
106
Troubleshooting 9 - Indoor Unit Error Method: Standard Wired Remote Error
107
Troubleshooting 11 - Indoor Unit Error Method: Communication Error between Controller PCB and Transmission PCB
108
Troubleshooting 12 - Indoor Unit Error Method: Network Communication Error
109
Troubleshooting 12-A - Indoor Unit Error Method: Indoor unit number shortage error
110
Troubleshooting 13 - OUTDOOR UNIT Error Method: Compressor 1 Abnormal (Inverter Compressor)
111
Troubleshooting 13 - OUTDOOR UNIT Error Method: Compressor 1 Abnormal (Constant Speed)
112
Troubleshooting 14 - OUTDOOR UNIT Error Method: Compressor 2 Abnormal (Constant Speed)
114
Troubleshooting 15 - OUTDOOR UNIT Error Method: Compressor 3 Abnormal (Constant Speed)
116
Troubleshooting 16 - OUTDOOR UNIT Error Method: Discharge Temperature 1 Error
118
Troubleshooting 17 - OUTDOOR UNIT Error Method: Discharge Temperature 2 Error
119
Troubleshooting 18 - OUTDOOR UNIT Error Method: Discharge Temperature 3 Error
120
Troubleshooting 19 - OUTDOOR UNIT Error Method: High Pressure Error
121
Troubleshooting 20 - OUTDOOR UNIT Error Method: Low Pressure Error
122
Troubleshooting 21 - OUTDOOR UNIT Error Method: Pump Down Error
123
Troubleshooting 22 - OUTDOOR UNIT Error Method: Discharge Temp. Sensor 1 Error
124
Troubleshooting 23 - OUTDOOR UNIT Error Method: Discharge Temp. Sensor 2 Error
125
Troubleshooting 24 - OUTDOOR UNIT Error Method: Discharge Temp. Sensor 3 Error
126
Troubleshooting 25 - OUTDOOR UNIT Error Method: Heat Ex. Liquid Temp. Sensor Error
127
Troubleshooting 26 - OUTDOOR UNIT Error Method: RCV Liquid Surface Sensor 1 (Lower Limit) Error
128
Troubleshooting 27 - OUTDOOR UNIT Error Method: RCV Liquid Surface Sensor 2 (Middle Limit) Error
129
Troubleshooting 28 - OUTDOOR UNIT Error Method: RCV Liquid Surface Sensor 3 (Higher Limit) Error
130
Troubleshooting 29-1 - OUTDOOR UNIT Error Method: SC Heat Exchanger Outlet Temp Sensor Error
131
Troubleshooting 30 - OUTDOOR UNIT Error Method: Liquid Pipe Temp. Sensor 1 Error
132
Troubleshooting 31 - OUTDOOR UNIT Error Method: Liquid Pipe Temp. Sensor 2 Error
133
Troubleshooting 32 - OUTDOOR UNIT Error Method: Suction Gas Temp. Sensor Error
134
Troubleshooting 33 - OUTDOOR UNIT Error Method: Outdoor Temperature Sensor Error
135
Troubleshooting 34 - OUTDOOR UNIT Error Method: Discharge Pressure Sensor Error
136
Troubleshooting 36 - OUTDOOR UNIT Error Method: Current Sensor Error (only for Master Unit)
137
Troubleshooting 37 - OUTDOOR UNIT Error Method: Reverse Phase/Missing Phase Error
138
Troubleshooting 38 - OUTDOOR UNIT Error Method: Inverter Error (Only for Main Unit)
139
Troubleshooting 39 - OUTDOOR UNIT Error Method: EEPROM Access Error
140
Troubleshooting 40 - OUTDOOR UNIT Error Method: Inverter Start-up Current Error (Only for Main Unit)
141
Troubleshooting 41 - OUTDOOR UNIT Error Method: Inverter Normal Current Error (Only for Main Unit)
142
Troubleshooting 42 - OUTDOOR UNIT Error Method: Inverter Communication Error (Only for Main Unit)
143
Troubleshooting 43 - OUTDOOR UNIT Error Method: Parallel Communication Error
144
Troubleshooting 44 - OUTDOOR UNIT Error Method: Communication Error between Outdoor Units
145
Troubleshooting 45 - OUTDOOR UNIT Error Method: Network Communication Error (Only for Main Unit)
146
Troubleshooting 46 - OUTDOOR UNIT Error Method: Main/Slave Unit Setting Error (Only for Slave Unit)
147
Troubleshooting 48 - OUTDOOR UNIT Error Method: Initial Setting Error
148
Troubleshooting 49 - OUTDOOR UNIT Error Method: 4-way valve Error
149
Troubleshooting 50 - OUTDOOR UNIT Error Method: All Compressors Abnormal of 1 unit
150
Troubleshooting 51: Indoor Unit - No Power
151
Troubleshooting 52: Outdoor Unit - No Power
152
Troubleshooting 53: No Operation (Power is On)
153
Troubleshooting 54: No Cooling or No Heating
154
Troubleshooting 55: Abnormal Noise
155
Trouble shooting 57 - Error Contents: Power Supply Error
156
Trouble shooting 60 - Error Contents: Transmission Error
157
Trouble shooting 61 - Error Contents: Power Supply Error
158
Troubleshooting 63 - Error Contents: Address Setting Error
159
Troubleshooting 66 - Error Contents: Communication Error B
160
Troubleshooting 69 - Error Contents: PCB Error 2
161
Troubleshooting 70 - Error Contents: Communication Error with Group Remote Controller
162
Troubleshooting 71 - Error Contents: Communication Error with VRF System
163
Troubleshooting 72 - Error Contents: Software Error
164
Troubleshooting 73 - Error Contents: PCB Error 1
165
Troubleshooting 75 - Error Contents: Communication Error with Standard Remote Controller
166
Troubleshooting 76 - Error Contents: Communication Error with Indoor Unit
167
Troubleshooting 77 - Error Contents: Communication Error with VRF system
168
Troubleshooting 78 - Error Contents: Software Error
169
Troubleshooting 80 - Error Contents: PCB Error
170
Troubleshooting 81 - Error Contents: Connection Error
171
Troubleshooting 83 - Error Contents: System Error
172
Troubleshooting 85 - Error Contents: Unit not Detected
173
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