Daikin VRV R-407C PLUS Series, Service Manual

Page: 120 / 193

SiE 00-07
Troubleshooting R-407C PLUS Series 109
Part 5
Troubleshooting
R-407C PLUS Series
1. Operation Flowcharts ..........................................................................111
1.1 Indoor Unit Operation Flowchart.......................................................... 111
2. Troubleshooting by Remote Controller ...............................................116
2.1 The INSPECTION / TEST Button........................................................ 116
2.2 Self-diagnosis by Wired Remote Controller......................................... 117
2.3 Self-diagnosis by Wireless Remote Controller .................................... 118
2.4 Operation of The Remote Controller’s Inspection /
Test Operation Button ......................................................................... 122
2.5 Remote Controller Service Mode ........................................................ 123
2.6 Remote Controller Self-Diagnosis Function ........................................ 125
3. Troubleshooting ..................................................................................128
3.1 Indoor Unit: Error of External Protection Device.................................. 128
3.2 Indoor Unit: PC Board Defect .............................................................. 128
3.3 Indoor Unit: Malfunction of Drain Level Control System (33H)............ 129
3.4 Indoor Unit: Fan Motor (M1F) Lock, Overload..................................... 130
3.5 Indoor Unit: Malfunction of Swing Flap Motor (M1S)........................... 131
3.6 Indoor Unit: Malfunction of
Moving Part of Electronic Expansion Valve (Y1E)............................... 132
3.7 Indoor Unit: Drain Level above Limit ................................................... 133
3.8 Indoor Unit: Malfunction of Capacity Determination Device ................ 134
3.9 Indoor Unit: Malfunction of Thermistor (R2T) for Liquid Pipe .............. 134
3.10 Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes ............... 135
3.11 Indoor Unit: Malfunction of Thermistor (R1T) for Air Inlet.................... 135
3.12 Indoor Unit: Malfunction of Thermostat Sensor
in Remote Controller............................................................................ 136
3.13 Outdoor Unit: Actuation of Safety Device ............................................ 136
3.14 Outdoor Unit: PC Board Defect ........................................................... 137
3.15 Outdoor Unit: Actuation of High Pressure Switch................................ 137
3.16 Outdoor Unit: Actuation of Low Pressure Sensor................................ 138
3.17 Outdoor Unit: Malfunction of
Moving Part of Electronic Expansion Valve (Y1E)............................... 139
3.18 Outdoor Unit: Abnormal Discharge Pipe Temperature........................ 140
3.19 Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1T)........... 141
3.20 Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R3T) .......... 142
3.21 Outdoor Unit: Malfunction of Thermistor (R4T) for Suction Pipe ......... 143
3.22 Outdoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger ... 144
3.23 Outdoor Unit: Malfunction of Discharge Pipe Pressure Sensor........... 145
3.24 Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor............... 146
3.25 Low Pressure Drop Due to Refrigerant Shortage
or Electronic Expansion Valve Failure................................................. 147
3.26 Reverse Phase, Open Phase .............................................................. 148
3.27 Malfunction of Transmission Between Indoor Units ............................ 149