Daikin CTXU25G2V1B Service Manual page 4

Part 5 Installation / Operation Manual ....................................... 54
1. Installation Manual ................................................................................55
2. System Configuration............................................................................79
3. Operation Manual..................................................................................80
Part 6 Service Diagnosis........................................................... 101
1. Service Check Function ......................................................................103
2. Troubleshooting ..................................................................................107
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3.14 Forced Operation Mode .........................................................................53
3.15 Additional Function.................................................................................53
1.1 Indoor Units ............................................................................................55
1.2 Outdoor Units .........................................................................................67
3.1 Names of Parts.......................................................................................80
3.2 AUTO · DRY · COOL · HEAT · FAN Operation ......................................82
3.3 Adjusting the Airflow Direction................................................................84
3.4 HUMID HEAT Operation ........................................................................86
3.5 FRESH AIR SUPPLY VENTILATION ....................................................88
3.6 COMFORT AIRFLOW and INTELLIGENT EYE Operation....................89
3.7 POWERFUL and OUTDOOR UNIT QUIET Operation ..........................91
3.8 ECONO Operation .................................................................................92
3.9 TIMER Operation ...................................................................................93
3.10 WEEKLY TIMER Operation ...................................................................95
3.11 Note for Multi System ...........................................................................100
1.1 Failure Diagnosis with Multi-Colored Indicator Lamp ...........................103
1.2 Failure Diagnosis by LED Indication ....................................................103
1.3 Failure Diagnosis by Remote Controller...............................................104
2.1 Error Code Indication by Remote Controller ........................................107
2.2 Air conditioner does not run. ................................................................109
2.3 Air conditioner runs but does not cool (heat)........................................112
2.4 When operation starts, safety breaker works. ......................................114
2.5 Air conditioner makes big noise and vibration......................................116
2.6 Air is not humidified enough. ................................................................117
2.7 Indoor Unit PCB Abnormality ...............................................................120
2.8 Freeze-up Protection Control or Heating Peak-cut Control..................121
2.9 Fan Motor (DC Motor) or Related Abnormality.....................................123
2.10 Thermistor or Related Abnormality (Indoor Unit)..................................125
2.11 Humidity Sensor Abnormality ...............................................................126
2.12 Signal Transmission Error (Indoor Unit - Outdoor Unit) .......................127
2.13 Incompatible Power Supply between Indoor Unit and Outdoor Unit ....129
2.14 Incomplete Setting for Hose Length .....................................................130
2.15 Freeze-up Protection in Other Rooms / Unspecified Voltage
(between Indoor and Outdoor Units) ....................................................131
2.16 Outdoor Unit PCB Abnormality.............................................................132
2.17 OL Activation (Compressor Overload) .................................................133
2.18 Compressor Lock .................................................................................134
2.19 DC Fan Lock ........................................................................................135
2.20 Input Overcurrent Detection .................................................................136
2.21 Discharge Pipe Temperature Control...................................................138
2.22 High Pressure Control in Cooling .........................................................139
2.23 Compressor Sensor System Abnormality ............................................141
SiBE12-908
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