Daikin RQYQ16PY1 [3/194] Part 5 test operation 2

Daikin RQYQ20PY1 [3/194] Part 5 test operation 2

Si341009

Table of Contents ii

Part 5 Test Operation ................................................................. 52

1. Test Operation ......................................................................................53

1.1 Procedure and Outline ...........................................................................53

1.2 Check Operation ....................................................................................56

1.3 Checking in Normal Operation ...............................................................59

2. Field Setting from Outdoor Unit.............................................................60

2.1 Field Setting from Outdoor Unit..............................................................60

Part 6 Troubleshooting ............................................................... 82

1. Symptom-based Troubleshooting .........................................................84

2. Troubleshooting by Remote Controller .................................................87

2.1 The INSPECTION / TEST Button...........................................................87

2.2 Self-diagnosis by Wired Remote Controller ...........................................88

2.3 Remote Controller Service Mode ...........................................................89

2.4 Test Run Mode.......................................................................................92

2.5 Remote Controller Self-Diagnosis Function ...........................................92

2.6 PCB Abnormality ....................................................................................99

2.7 High Pressure Abnormality...................................................................100

2.8 Actuation of Low Pressure Sensor .......................................................102

2.9 Inverter Compressor Motor Lock..........................................................104

2.10 STD Compressor Motor Overcurrent/Lock...........................................106

2.11 Outdoor Unit Fan Motor Abnormality....................................................107

2.12 Electronic Expansion Valve Coil Abnormality (Y1E~Y3E)....................110

2.13 Abnormal Discharge Pipe Temperature ...............................................112

2.14 Refrigerant Overcharged......................................................................114

2.15 High Pressure Switch System Abnormality ..........................................115

2.16 Abnormal Outdoor Fan Motor Signal....................................................116

2.17 Thermistor System Abnormality ...........................................................118

2.18 High Pressure Sensor Abnormality ......................................................119

2.19 Current Sensor Abnormality .................................................................121

2.20 High Pressure Sensor Abnormality ......................................................122

2.21 Low Pressure Sensor Abnormality .......................................................124

2.22 Inverter PCB Abnormality.....................................................................126

2.23 Inverter Radiating Fin Temperature Rise .............................................127

2.24 Momentary Overcurrent of Inverter Compressor..................................128

2.25 Overcurrent Abnormal of Inverter Compressor ....................................130

2.26 Inverter Compressor Starting Abnormality ...........................................132

2.27 Transmission System Abnormality

(between Inverter and Main PCB) ........................................................134

2.28 Inverter Over-Ripple Protection............................................................136

2.29 Thermistor or Related Abnormality.......................................................138

2.30 Faulty Field Setting after Replacing Main PCB or

Faulty Combination of PCB ..................................................................139

2.31 Refrigerant Shortage ............................................................................140

2.32 Reverse Phase, Open Phase...............................................................142

2.33 Power Supply Insufficient or Instantaneous Failure .............................143

2.34 Check Operation is not Executed.........................................................146

2.35 Transmission Error (between Indoor and Outdoor Units).....................147

2.36 Transmission Error (between Remote Controller and Indoor Unit) ......150

2.37 Transmission Error (Across Outdoor Units) .........................................151

Daikin RQYQ16PY1 [3/194] Part 5 test operation 2

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