Table of Contents
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4. Check ......................................................................................................371
225
3.72 System Not Set Yet .................................................................................. 366
3.73 System Abnormality, Refrigerant System Address Undefined ................. 367
Setting for Communication Completes).................................................... 369
Setting for Communication Completes).................................................... 370
4.1 High Pressure Check ............................................................................... 371
4.2 Low Pressure Check ................................................................................ 372
4.3 Superheat Operation Check..................................................................... 374
4.4 Power Transistor Check ........................................................................... 376
4.5 Refrigerant Overcharge Check................................................................. 378
4.6 Refrigerant Shortage Check..................................................................... 379
4.7 Vacuuming and Dehydration Procedure .................................................. 380
4.8 Thermistor Check ..................................................................................... 381
4.9 Pressure Sensor Check ........................................................................... 384
4.10 Broken Wire Check of the Relay Wires .................................................... 385
4.11 Fan Motor Connector Check (Power Supply Cable) ................................ 386
4.12 Fan Motor Connector Check (Signal Cable) ............................................ 388
4.13 Electronic Expansion Valve Coil Check ................................................... 390
4.14 Fan Motor Connector Check for FXTQ-TA............................................... 392
SiUS342303E
Part 6 Service Diagnosis
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Table of Contents
Troubleshooting
