Daikin R407C PLUS Service Manual page 3

4. Outline of Control (Indoor Unit) .............................................................97
Part 4 Test Operation R407C PLUS Series
Heat Recovery System................................................... 103
1. Test Operation ....................................................................................104
Part 5 Troubleshooting R407C PLUS Series
Heat Recovery System................................................... 137
1. Operation Flowcharts ..........................................................................139
2. Troubleshooting by Remote Controller ...............................................144
3. Troubleshooting ..................................................................................157
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4.1 Drain Pump Control................................................................................97
4.2 Louver Control for Preventing Ceiling Dirt..............................................99
4.3 Thermostat Sensor in Remote Controller.............................................100
4.4 Freeze Prevention ................................................................................102
1.1 Procedure and Outline .........................................................................104
1.2 Operation When Power is Turned On ..................................................106
1.3 Outdoor Unit PC Board Ass'y...............................................................107
1.4 Setting Modes ......................................................................................109
1.5 Sequential Start....................................................................................118
1.6 Low Noise Operation............................................................................119
1.7 Demand Control ...................................................................................120
1.8 Wiring Check Operation .......................................................................121
1.9 Additional Refrigerant Charge Operation .............................................122
1.10 Refrigerant Recovery Mode .................................................................123
1.11 Backup and Emergency Operation ......................................................124
1.12 Indoor Field Setting ..............................................................................126
1.13 Centralized Control Group No. Setting.................................................132
1.14 Contents of Control Modes...................................................................134
1.1 Indoor Unit Operation Flowchart ..........................................................139
2.1 The INSPECTION / TEST Button.........................................................144
2.2 Self-diagnosis by Wired Remote Controller .........................................145
2.3 Self-diagnosis by Wireless Remote Controller .....................................146
2.4 Operation of The Remote Controller's Inspection /
Test Operation Button ..........................................................................150
2.5 Remote Controller Service Mode .........................................................151
2.6 Remote Controller Self-Diagnosis Function .........................................153
3.1 Indoor Unit: Error of External Protection Device ..................................157
3.2 Indoor Unit: PC Board Defect...............................................................158
3.3 Indoor Unit: Malfunction of Drain Level Control System (33H).............159
3.4 Indoor Unit: Fan Motor (M1F) Lock, Overload......................................160
3.5 Indoor Unit: Malfunction of Swing Flap Motor (M1S)............................161
3.6 Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E)........................................................162
3.7 Indoor Unit: Drain Level above Limit ....................................................163
3.8 Indoor Unit: Malfunction of Capacity Determination Device .................164
3.9 Indoor Unit: Malfunction of Thermistor (R2T) for Liquid Pipe ...............165
3.10 Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes ................166
3.11 Indoor Unit: Malfunction of Thermistor (R1T) for Air Inlet.....................167
Si33-105
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