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SiBE01-829
Troubleshooting
Service Diagnosis
61
4.5.2 Room Temperature Thermistor
Remote
Controller
Display
C9
Method of
Malfunction
Detection
The temperatures detected by the room temperature thermistor is used to determine thermistor
error.
Malfunction
Decision
Conditions
When the room temperature thermistor input is more than 4.96 V or more, or 0.04 V or less
during compressor operation
∗
.
∗
(Reference)
Room temperature thermistor: 30
Ω
or less, or 490k
Ω
or more.
Supposed
Causes
Faulty thermistor
Faulty PCB
Troubleshooting
Check No.06
Refer to P.67
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
(R8505)
Check No. 06
Check the thermistor resistance
value.
YES
NO
Replace the thermistor.
(Replace the display PCB.)
Replace the indoor unit PCB.
Is it normal?
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...