![background image](http://html2.mh-extra.com/html/daikin/ftyn25gxv1b/ftyn25gxv1b_service-manual_4701921076.webp)
SiBE01-829
Troubleshooting
Service Diagnosis
65
4.8
Insufficient Gas
Remote
Controller
Display
U0
Method of
Malfunction
Detection
A gas shortage is detected by checking the indoor unit heat exchanger temperature.
Malfunction
Decision
Conditions
When the compressor operates for 30 min. with the indoor heat exchanger temperature is °C
and then, check for 5 more min. before determining insufficient gas and system down.
Supposed
Causes
Refrigerant shortage (refrigerant leakage)
Poor compression performance of compressor
Indoor heat exchanger thermistor disconnected
Stop valve closed
Summary of Contents for FTYN25GXV1B
Page 1: ...SiBE01 829 Applied Models Non Inverter Pair Heat Pump SPLIT Pair Wall Mounted Type G Series...
Page 11: ...Introduction SiBE01 829 x...
Page 12: ...SiBE01 829 List of Function 1 Part 1 List of Function 1 Functions 2...
Page 15: ...Functions SiBE01 829 4 List of Function...
Page 16: ...SiBE01 829 Specifications 5 Part 2 Specifications 1 Specifications 6...
Page 19: ...Specifications SiBE01 829 8 Specifications...
Page 81: ...Check SiBE01 829 70 Service Diagnosis...
Page 86: ...Others SiBE01 829 108 Others...
Page 92: ...Wiring Diagrams SiBE01 829 114 Appendix...