Daikin FTKS20D3VMW Service Manual page 4

SiENBE12-713
Part 5 Operation Manual ........................................................... 103
1. System Configuration..........................................................................104
2. Instruction............................................................................................105
Part 6 Service Diagnosis........................................................... 225
1. Caution for Diagnosis..........................................................................226
2. Problem Symptoms and Measures .....................................................228
3. Service Check Function ......................................................................229
4. Code Indication on the Remote Control ..............................................233
5. Troubleshooting ..................................................................................234
Table of Contents
3.6 Freeze-up Protection Control .................................................................89
3.7 Heating Peak-cut Control .......................................................................89
3.8 Fan Control.............................................................................................90
3.9 Liquid Compression Protection Function 2.............................................90
3.10 Defrost Control .......................................................................................91
3.11 Electronic Expansion Valve Control .......................................................92
3.12 Malfunctions ...........................................................................................96
3.13 Forced Operation Mode .........................................................................97
3.14 Wiring-Error Check.................................................................................98
3.15 Additional Function...............................................................................100
1.1 Operation Instructions ..........................................................................104
2.1 FTK(X)S, FTXG, CTXG, FDK(X)S, FLK(X)S Series ............................105
2.2 FVXS Series.........................................................................................181
2.3 FHQ Series...........................................................................................212
1.1 Troubleshooting with Operation Lamp .................................................226
3.1 Check Method 1 ...................................................................................229
3.2 Check Method 2 ...................................................................................231
4.1 Error Codes and Description of Fault ...................................................233
5.1 Indoor Units ..........................................................................................234
5.2 Outdoor Units .......................................................................................235
5.3 Indoor Unit PCB Abnormality ...............................................................236
5.4 Freeze-up Protection Control or High Pressure Control.......................237
5.5 Fan Motor or Related Abnormality .......................................................239
5.6 Thermistor or Related Abnormality (Indoor Unit)..................................242
5.7 Front Panel Open / Close Fault............................................................243
5.8 Signal Transmission Error (between Indoor and Outdoor Unit) ...........244
5.9 Unspecified Voltage (between Indoor and Outdoor Units) ...................246
5.10 Freeze-up Protection Control ...............................................................247
5.11 Outdoor Unit PCB Abnormality.............................................................249
5.12 OL Activation (Compressor Overload) .................................................250
5.13 Compressor Lock .................................................................................251
5.14 DC Fan Lock ........................................................................................252
5.15 Input Over Current Detection ...............................................................253
5.16 Discharge Pipe Temperature Control...................................................255
5.17 High Pressure Control in Cooling .........................................................256
5.18 Compressor Sensor System Abnormality ............................................258
5.19 Position Sensor Abnormality ................................................................260
5.20 CT or Related Abnormality ...................................................................261
5.21 Thermistor or Related Abnormality (Outdoor Unit)...............................263
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