Table of Contents
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ESIE09-08
Part 7 - Troubleshooting
1. Symptom-based Troubleshooting .......................................................119
2. Troubleshooting by Remote Control ...................................................121
3. Troubleshooting by Indication on the Remote Controller ....................132
Troubleshooting
2.1 The INSPECTION / TEST Button.........................................................121
2.2 Self-diagnosis by Wired Remote Control .............................................122
Test Operation Button ..........................................................................123
2.4 Remote Control Service Mode .............................................................124
2.5 Remote Controller Self-Diagnosis Function .........................................126
3.1 "A1" Indoor Unit: PC Board Defect .......................................................132
Valve (K1E) R-410A circuit...................................................................134
and Control PC Board) .........................................................................137
410A .....................................................................................................139
3.7 "C5" Indoor Unit: Malfunction of Tank Thermistor (R2T) ......................140
3.8 "C9" Indoor Unit: Return Water Thermistor (R4T) ................................141
3.9 "CA" Indoor Unit: Leaving Water Thermistor Error (R5T).....................142
Controller..............................................................................................143
3.11 "E1" Outdoor Unit: PC Board Defect ....................................................144
3.12 "E1" Indoor Unit: PC Board Defect .......................................................145
3.13 "E3" Outdoor Unit: Actuation of High Pressure Switch.........................146
3.14 "E3" Indoor Unit: Actuation of High Pressure Switch............................148
3.15 "E4" Outdoor Unit: Actuation of Low Pressure Sensor.........................151
3.16 "E4" Indoor Unit: Actuation of Low Pressure Sensor............................153
3.17 "E5" Outdoor Unit: Inverter Compressor Motor Lock............................155
3.18 "E5" Indoor Unit: Inverter Compressor Motor Lock ..............................156
3.19 "E7" Malfunction of Outdoor Unit Fan Motor ........................................157
Valve ....................................................................................................159
Valve (K2E) R-134a circuit ...................................................................161
3.22 "F3" Outdoor Unit: Abnormal Discharge Pipe Temperature .................163
3.23 "F3" Indoor Unit: Abnormal Discharge Pipe Temperature....................164
1, 2 .......................................................................................................168
Exchanger ............................................................................................170
3.30 "J7" Outdoor Unit: Malfunction of Thermistor (R7T) for Outdoor Unit Liquid
115
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Table of Contents
Troubleshooting
