Daikin CTXU35G2V1B [5/276] Part 7 removal procedure 81

Daikin CTXU35G2V1B [5/276] Part 7 removal procedure 81
SiBE12-908_A
Table of Contents iv
2.24 Damper Abnormality.............................................................................142
2.25 Position Sensor Abnormality ................................................................143
2.26 DC Voltage / DC Current Sensor Abnormality .....................................145
2.27 Thermistor or Related Abnormality (Outdoor Unit)...............................146
2.28 Abnormal Temperature in Electrical Box..............................................148
2.29 Temperature Rise in Radiation Fin.......................................................150
2.30 Output Overcurrent...............................................................................152
2.31 Refrigerant Shortage ............................................................................154
2.32 Over Voltage Protection / Low Voltage Protection ...............................156
2.33 Outdoor Unit PCB Abnormality or
Communication Circuit Abnormality .....................................................157
2.34 Signal Transmission Error on Outdoor Unit PCB .................................160
2.35 Fan Motor System Abnormality / Fan Lock ..........................................162
2.36 Heater Wire Abnormality ......................................................................163
2.37 Humidifying Fan Outlet Thermistor Abnormality /
Heater Temperature Abnormality .........................................................165
2.38 Lights-out of Microcomputer Status Lamp............................................167
3. Check ..................................................................................................168
3.1 Fan Motor Connector Output Check ....................................................168
3.2 Thermistor Resistance Check ..............................................................169
3.3 Installation Condition Check.................................................................170
3.4 Outdoor Fan System Check (DC Motor) ..............................................170
3.5 Power Supply Waveform Check...........................................................171
3.6 Main Circuit Electrolytic Capacitor Check ............................................171
3.7 Refrigerant System Check ...................................................................172
3.8 “Inverter Checker” Check .....................................................................173
3.9 Power Transistor Check .......................................................................175
3.10 Discharge Pressure Check...................................................................175
3.11 Electronic Expansion Valve Check.......................................................176
3.12 Rotating Pulse Input on Outdoor Unit PCB Check ...............................177
3.13 Main Circuit Short Check......................................................................179
3.14 Four Way Valve Performance Check ...................................................180
Part 7 Removal Procedure ........................................................ 181
1. Indoor Unit...........................................................................................182
1.1 Removal of Air filter ..............................................................................182
1.2 Removal of Front Panel........................................................................185
1.3 Removal of Front Grille ........................................................................187
1.4 Removal of Horizontal Blades and Vertical Blades ..............................190
1.5 Removal of Electrical Box ....................................................................194
1.6 Removal of PCB...................................................................................197
1.7 Removal of the Connecting Duct..........................................................202
1.8 Removal of Heat Exchanger ................................................................203
1.9 Removal of Swing Motor ......................................................................206
1.10 Removal of Fan Rotor ..........................................................................210
2. Outdoor Unit........................................................................................213
2.1 Removal of Humidifier Unit...................................................................213
2.2 Removal of Heater ASSY / Humidifying Rotor
(Moisture Adsorption Element) / Humidifying Rotor Motor ...................216
2.3 Removal of Damper Motor ...................................................................220
2.4 Removal of Limit Switch / Humidifying Thermistor ...............................222

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