Daikin VRVIII-S Service Manual page 3

4. Protection Control .................................................................................52
5. Other Control.........................................................................................56
6. Outline of Control (Indoor Unit) .............................................................57
Part 6 Test Operation ................................................................. 65
1. Test Operation ......................................................................................66
2. Outdoor Unit PC Board Layout .............................................................70
3. Field Setting ..........................................................................................71
Part 7 Troubleshooting ............................................................. 103
1. Symptom-based Troubleshooting .......................................................105
2. Troubleshooting by Remote Control ...................................................108
3. Troubleshooting by Indication on the remote control ..........................122
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4.1 High Pressure Protection Control...........................................................52
4.2 Low Pressure Protection Control............................................................53
4.3 Discharge Pipe Protection Control .........................................................54
4.4 Inverter Protection Control .....................................................................55
5.1 Demand Operation .................................................................................56
5.2 Heating Operation Prohibition ................................................................56
6.1 Drain Pump Control................................................................................57
6.2 Louver Control for Preventing Ceiling Dirt..............................................59
6.3 Thermostat Sensor in remote control .....................................................60
6.4 Freeze Prevention ..................................................................................62
6.5 View of Operations of Swing Flaps ........................................................63
6.6 Electronic Expansion Valve Control .......................................................64
6.7 Hot Start Control (In Heating Operation Only)........................................64
1.1 Procedure and Outline ...........................................................................66
1.2 Operation when Power is Turned On .....................................................69
3.1 Field Setting from remote control ...........................................................71
3.2 Field Setting from Outdoor Unit..............................................................84
2.1 The INSPECTION / TEST Button.........................................................108
2.2 Self-diagnosis by Wired Remote Control .............................................109
2.3 Self-diagnosis by Infrared Remote Control ..........................................110
2.4 Operation of the remote control's Inspection / Test Operation Button .112
2.5 remote control Service Mode ...............................................................113
2.6 remote control Self-Diagnosis Function ...............................................115
3.1 "A0" Indoor Unit: Error of External Protection Device ...........................122
3.2 "A1" Indoor Unit: PC Board Defect.........................................................123
3.3 "A3" Indoor Unit: Malfunction of Drain Level Control System (S1L) ......124
3.4 "A6" Indoor Unit: Fan Motor (M1F) Lock, Overload...............................126
3.5 "A7" Indoor Unit: Malfunction of Swing Flap Motor (M1S) .....................127
3.6 "A9" Indoor Unit: Malfunction of Moving Part of Electronic Expansion
Valve (Y1E) ..........................................................................................129
3.7 "AF" Indoor Unit: Drain Level above Limit..............................................131
3.8 "AJ" Indoor Unit: Malfunction of Capacity Determination Device ..........132
3.9 "C4" Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger 133
3.10 "C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes..........134
3.11 "C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........135
3.12 "CA" Indoor Unit: Malfunction of Thermistor for Discharge Air...............136
3.13 "CJ" Indoor Unit: Malfunction of Thermostat Sensor in remote control .137
SiENBE34-703
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