64
14.4.21 F97 (Compressor Overheating)
Malfunction Decision Conditions
During operation of cooling and heating, when compressor tank temperature data (112°C) is detected by the
compressor tank temperature sensor.
Malfunction Caused
•
Refrigerant shortage (refrigerant leakage).
•
2/3 way valve closed.
•
Detection error due to faulty compressor tank temperature sensor.
Troubleshooting
2/3 way valve closed?
When F97 indication happens
For safety reason and to prevent component
breakdown, always switch off the power
before remove and connect the component.
Check the compressor tank temperature
sensor.
•
Open the 2/3 way valve.
YES
NO
Does it conform to the sensor
characteristic chart?
•
Replace the compressor tank
temperature sensor.
NO
YES
Check for gas leakage.
Is Oil oozing out from the 2/3 way valve?
•
Repair the pipe flare or union nuts.
Reclaim and recharge refrigerant.
•
Replace the capillary tube or dryer.
Capillary tube or dryer clogged?
YES
NO
YES
Charge a specified amount of fresh
refrigerant.
Refrigerant cycle abnormality error
happens again?
NO
NO
YES
•
Replace outdoor unit PCB
•
Replace outdoor unit compressor
•
Procedure
complete
Summary of Contents for CS-PS9JKT
Page 7: ...7 3 Location of Controls and Components 3 1 Indoor Unit 3 2 Outdoor Unit 3 3 Remote Control...
Page 8: ...8 4 Dimensions 4 1 Indoor Unit...
Page 10: ...10 5 Refrigeration Cycle Diagram...
Page 11: ...11 6 Block Diagram 6 1 CS PS9JKT CU PS9JKT...
Page 12: ...12 6 2 CS PS12JKT CU PS12JKT...
Page 13: ...13 7 Wiring Connection Diagram 7 1 Indoor Unit...
Page 14: ...14 7 2 Outdoor Unit 7 2 1 CU PS9JKT...
Page 15: ...15 7 2 2 CU PS12JKT...
Page 16: ...16 8 Electronic Circuit Diagram 8 1 Indoor Unit...
Page 17: ...17 8 2 Outdoor Unit 8 2 1 CU PS9JKT...
Page 18: ...18 8 2 2 CU PS12JKT...
Page 21: ...21 9 2 Outdoor Unit 9 3 Main Printed Circuit Board 9 3 1 CU PS9JKT...
Page 22: ...22...
Page 23: ...23 9 3 2 CU PS12JKT...