SiBE06-514A
Service Diagnosis
77
Part 6
Service Diagnosis
1. Caution for Diagnosis............................................................................78
2. Problem Symptoms and Measures .......................................................79
3. Service Check Function ........................................................................80
4. Troubleshooting ....................................................................................83
Error Codes and Description ..................................................................83
Indoor Unit PCB Abnormality .................................................................84
Freeze-up Protection Control or High Pressure Control.........................85
Fan Motor (DC Motor) or Related Abnormality.......................................87
Thermistor or Related Abnormality (Indoor Unit)....................................89
Shutter Drive Motor / Shutter Limit Switch Abnormality .........................90
Signal Transmission Error (between Indoor and Outdoor Unit) .............91
Unspecified Voltage (between Indoor and Outdoor Units) .....................92
Outdoor Unit PCB Abnormality...............................................................93
4.10 OL Activation (Compressor Overload) ...................................................94
4.11 Compressor Lock ...................................................................................95
4.12 DC Fan Lock ..........................................................................................96
4.13 Input Over Current Detection .................................................................97
4.14 Four Way Valve Abnormality..................................................................98
4.15 Discharge Pipe Temperature Control...................................................100
4.16 High Pressure Control in Cooling .........................................................101
4.17 Compressor System Sensor Abnormality ............................................103
4.18 Position Sensor Abnormality ................................................................104
4.19 DC Voltage / Current Sensor Abnormality............................................105
4.20 Thermistor or Related Abnormality (Outdoor Unit) ...............................106
4.21 Electrical Box Temperature Rise..........................................................108
4.22 Radiation Fin Temperature Rise ..........................................................110
4.23 Output Over Current Detection.............................................................112
4.24 Insufficient Gas.....................................................................................114
4.25 Over-voltage Detection.........................................................................116
Summary of Contents for FVKS25BVMB
Page 10: ...SiBE06 514A List of Functions 1 Part 1 List of Functions 1 List of Functions 2 ...
Page 13: ...List of Functions SiBE06 514A 4 List of Functions ...
Page 19: ...Specifications SiBE06 514A 10 Specifications ...
Page 57: ...Control Specification SiBE06 514A 48 Function and Control ...
Page 85: ...Instruction SiBE06 514A 76 System Configuration ...
Page 133: ...Check SiBE06 514A 124 Service Diagnosis ...
Page 171: ...Others SiBE06 514A 162 Others ...
Page 177: ...Wiring Diagrams SiBE06 514A 168 Appendix ...
Page 181: ...SiBE06 514A iv Index ...