Si12-619A
Service Diagnosis
201
Part 6
Service Diagnosis
1. Caution for Diagnosis.........................................................................202
1.1
Troubleshooting with Operation Lamp .................................................202
2. Problem Symptoms and Measures .....................................................204
3. Service Check Function ......................................................................205
4. Code Indication on the Remote Controller ..........................................208
4.1
Error Codes and Description of Fault ...................................................208
5. Troubleshooting ..................................................................................209
5.1
Indoor Units ..........................................................................................209
5.2
Outdoor Units .......................................................................................210
5.3
Indoor Unit PCB Abnormality ...............................................................211
5.4
Freeze-up Protection Control or High Pressure Control.......................212
5.5
Fan Motor or Related Abnormality .......................................................214
5.6
Thermistor or Related Abnormality (Indoor Unit)..................................217
5.7
Shutter Drive Motor / Shutter Limit Switch Abnormality .......................218
5.8
Signal Transmission Error (between Indoor and Outdoor Units)..........219
5.9
Unspecified Voltage (between Indoor and Outdoor Units) ...................221
5.10 Freeze-up Protection Control ...............................................................222
5.11 Outdoor Unit PCB Abnormality.............................................................224
5.12 OL Activation (Compressor Overload) .................................................225
5.13 Compressor Lock .................................................................................226
5.14 DC Fan Lock ........................................................................................228
5.15 Input Over Current Detection ...............................................................229
5.16 Four Way Valve Abnormality................................................................231
5.17 Discharge Pipe Temperature Control...................................................233
5.18 High Pressure Control in Cooling .........................................................234
5.19 Compressor Sensor System Abnormality ............................................236
5.20 Position Sensor Abnormality ................................................................238
5.21 CT or Related Abnormality ...................................................................239
5.22 Thermistor or Related Abnormality (Outdoor Unit)...............................241
5.23 Electrical Box Temperature Rise..........................................................243
5.24 Radiation Fin Temperature Rise ..........................................................247
5.25 Output Over Current Detection.............................................................251
5.26 Insufficient Gas.....................................................................................253
5.27 Low-voltage Detection or Over-voltage Detection................................257
5.28 Signal Transmission Error (on Outdoor Unit PCB)...............................258
5.29 Anti-icing Function in Other Rooms / Unspecified Voltage
(between Indoor and Outdoor Units) ....................................................259
6. Check ..................................................................................................260
6.1
How to Check .......................................................................................260
Содержание 3MKS50DVM
Страница 1: ...Si12 619A Applied Models Inverter Multi Cooling Only Inverter Multi Heat Pump D Series E Series ...
Страница 13: ...Introduction Si12 619A xii ...
Страница 89: ...Printed Circuit Board Connector Wiring Diagram Si12 619A 76 Printed Circuit Board Connector Wiring Diagram ...
Страница 131: ...Control Specification Si12 619A 118 Function and Control ...
Страница 146: ...Si12 619A Instruction Operation Manual 133 Duct Connected Type Names of parts Indoor Unit 3 6 8 9 10 7 1 4 5 2 ...
Страница 213: ...Instruction Si12 619A 200 Operation Manual ...
Страница 283: ...Check Si12 619A 270 Service Diagnosis ...
Страница 302: ...Si12 619A Outdoor Unit E Series 50 52 58 Class Removal Procedure 289 Step Procedure Points ...
Страница 385: ...Wiring Diagrams Si12 619A 372 Appendix FTK X S50 60 71FVLT ...
Страница 399: ...Si12 619A vi Index ...