Daikin FCQ18PVJU Service Manual page 3

SiUS28-902_a
4. Protection Control .................................................................................29
5. Other Control ........................................................................................33
6. Outline of Control (Indoor Unit) .............................................................34
Part 6 Test Operation ................................................................. 41
1. Test Operation ......................................................................................42
2. Outdoor Unit P.C.B. Layout ..................................................................46
3. Field Setting ..........................................................................................47
Part 7 Troubleshooting............................................................... 65
1. Symptom-based Troubleshooting .........................................................67
2. Troubleshooting by Remote Controller .................................................70
3. Troubleshooting by Indication on the Remote Controller ......................85
Table of Contents
3.6 Stopping Operation ................................................................................ 27
3.7 Pressure Equalization Prior to Startup ................................................... 28
4.1 High Pressure Protection Control .......................................................... 29
4.2 Low Pressure Protection Control ........................................................... 30
4.3 Discharge Pipe Protection Control ......................................................... 31
4.4 Inverter Protection Control ..................................................................... 32
5.1 Heating Operation Prohibition ................................................................ 33
6.1 Drain Pump Control ............................................................................... 34
6.2 Louver Control for Preventing Ceiling Dirt ............................................. 36
6.3 Operation Range of Remote Controller Temperature Sensor................ 37
6.4 Freeze Prevention.................................................................................. 39
6.5 View of Operations of Swing Flaps ........................................................ 40
1.1 Procedure and Outline ........................................................................... 42
1.2 Operation when Power is Turned On..................................................... 45
3.1 Field Setting from Remote Controller..................................................... 47
3.2 Field Setting from Outdoor Unit ............................................................. 55
3.3 Detail of Setting Mode............................................................................ 60
2.1 The INSPECTION / TEST Button .......................................................... 70
2.2 Self-diagnosis by Wired Remote Controller ........................................... 71
2.3 Self-diagnosis by Wireless Remote Controller....................................... 72
2.4 Operation of the Remote Controller's Inspection /
Test Operation Button ............................................................................ 75
2.5 Remote Controller Service Mode ........................................................... 76
2.6 Remote Controller Self-Diagnosis Function ........................................... 78
3.1 "A0" Indoor Unit: Error of External Protection Device ............................. 85
3.2 "A1" Indoor Unit: P.C.B. Defect............................................................... 86
3.3 "A3" Indoor Unit: Malfunction of Drain Level Control System (S1L)........ 87
3.4 "A6" Indoor Unit: Fan Motor (M1F) Lock, Overload ................................ 89
3.5 "A7" Indoor Unit: Malfunction of Swing Flap Motor (M1S) ...................... 90
3.6 "A9" Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E) ......................................................... 92
3.7 "AF" Indoor Unit: Drain Level above Limit ............................................... 94
3.8 "AJ" Indoor Unit: Malfunction of Capacity Determination Device ............ 95
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