SiE-05C
Troubleshooting Inverter K Series
117
Part 4
Troubleshooting
Inverter K Series
1. Operation Flowcharts ..........................................................................119
1.1
Indoor Unit Operation Flowchart.......................................................... 119
1.2
Outdoor Unit Operation Flowchart....................................................... 124
2. Diagnosis by Malfunction Code...........................................................128
2.1
Diagnosis by Malfunction Code ........................................................... 128
2.2
Failure Diagnosis................................................................................. 129
3. Troubleshooting ..................................................................................130
3.1
Indoor Unit: Error of External Protection Device.................................. 130
3.2
Indoor Unit: PC Board Defect .............................................................. 131
3.3
Indoor Unit: Malfunction of Drain Level Control System (33H)............ 132
3.4
Indoor Unit: Fan Motor (M1F) Lock, Overload..................................... 133
3.5
Indoor Unit: Malfunction of Swing Flap Motor (M1S)........................... 134
3.6
Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E)....................................................... 135
3.7
Indoor Unit: Drain Level above Limit ................................................... 136
3.8
Indoor Unit: Malfunction of Capacity Determination Device ................ 136
3.9
Indoor Unit: Malfunction of Thermistor (R2T) for Liquid Pipe .............. 137
3.10 Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes ............... 137
3.11 Indoor Unit: Malfunction of Thermistor (R1T) for Air Inlet.................... 138
3.12 Indoor Unit: Malfunction of Thermostat Sensor in Remote Controller . 138
3.13 Outdoor Unit: Actuation of Safety Device ............................................ 139
3.14 Outdoor Unit: PC Board Defect ........................................................... 139
3.15 Outdoor Unit: Actuation of High Pressure Switch................................ 140
3.16 Outdoor Unit: Actuation of Low Pressure Switch................................. 141
3.17 Outdoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E)....................................................... 142
3.18 Outdoor Unit: Abnormal Discharge Pipe Temperature........................ 143
3.19 Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1T)........... 144
3.20 Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R3T) .......... 144
3.21 Outdoor Unit: Malfunction of Thermistor (R4T) for Suction Pipe ......... 145
3.22 Outdoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger ... 145
3.23 Outdoor Unit: Malfunction of Discharge Pipe Pressure Sensor........... 146
3.24 Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor............... 147
3.25 Outdoor Unit: Malfunction of Oil Temperature Thermistor (R5T) ........ 148
3.26 Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure ..................................................... 149
3.27 Negative Phase, Open Phase ............................................................. 150
3.28 Malfunction of Transmission Between Indoor Units ............................ 151
3.29 Malfunction of Transmission Between Remote Controller
and Indoor Unit .................................................................................... 152
3.30 Malfunction of Transmission Between Outdoor Units.......................... 153
3.31 Malfunction of Transmission Between Master and
Slave Remote Controllers.................................................................... 154
SI-05C.BOOK Page 117 Monday, November 6, 2000 4:13 PM
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