Daikin SkyAir RZR-P Series, Service Manual

Page: 101 / 202

SiUS281117
94 Service Diagnosis
Part 6
Service Diagnosis
1. Symptom-based Troubleshooting .........................................................96
2. Troubleshooting by Remote Controller .................................................99
2.1 Mode ChangeOver................................................................................. 99
2.2 Procedure of Self-diagnosis by Remote Controller .............................. 100
2.3 Error Codes and Description................................................................ 103
2.4 Error Codes - Sub Codes..................................................................... 104
2.5 Error Code Indication by Outdoor Unit PCB ........................................ 107
2.6 Error of External Protection Device...................................................... 109
2.7 Indoor Unit PCB Abnormality ............................................................... 110
2.8 Drain Water Level System Abnormality ............................................... 111
2.9 Indoor Unit Fan Motor Abnormality ...................................................... 113
2.10 Swing Flap Motor Abnormality / Lock .................................................. 115
2.11 Abnormal Power Supply Voltage ......................................................... 117
2.12 Electronic Expansion Valve Coil Abnormality ...................................... 118
2.13 Drain System Abnormality ................................................................... 120
2.14 Capacity Setting Abnormality ............................................................... 121
2.15 Transmission Error between Indoor Unit PCB and Fan PCB............... 122
2.16 Heat Exchanger (Liquid pipe) Thermistor Abnormality ........................ 124
2.17 Heat Exchanger (Gas Pipe) Thermistor Abnormality ........................... 125
2.18 Combination Error between Indoor Unit PCB and Fan PCB................ 126
2.19 Suction Air Thermistor Abnormality ..................................................... 127
2.20 Humidity Sensor System Abnormality.................................................. 128
2.21 Room Temperature Thermistor in Remote Controller Abnormality...... 129
2.22 Outdoor Unit PCB Abnormality ............................................................ 130
2.23 High Pressure Abnormality .................................................................. 131
2.24 Actuation of Low Pressure Sensor....................................................... 133
2.25 Inverter Compressor Motor Lock ......................................................... 135
2.26 Outdoor Unit Fan Motor Abnormality ................................................... 137
2.27 Electronic Expansion Valve Coil Abnormality ...................................... 138
2.28 Discharge Pipe Temperature Control Error.......................................... 141
2.29 Refrigerant Overcharged ..................................................................... 143
2.30 High Pressure Switch System Abnormality.......................................... 144
2.31 Outdoor Unit Fan Motor Signal Abnormality ........................................ 145
2.32 Thermistor System Abnormality ........................................................... 146
2.33 High Pressure Sensor Abnormality ...................................................... 147
2.34 Low Pressure Sensor Abnormality....................................................... 149
2.35 Outdoor Unit PCB Abnormality ............................................................ 151
2.36 Radiation Fin Temperature Rise .......................................................... 153
2.37 Momentary Overcurrent of Inverter Compressor ................................. 154
2.38 Electronic Thermal (Time Lag)............................................................. 155
2.39 Inverter Startup Error ........................................................................... 157
2.40 Transmission Error (between Control and Inverter PCB)..................... 159