57
15.4.11 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry)
Malfunction Decision Conditions
Freeze prevention control takes place (when indoor pipe temperature is lower than 35.6°F)
Malfunction Caused
Clogged air filter of the indoor unit
Dust accumulation on the indoor unit heat exchanger
Air short circuit
Detection error due to faulty indoor pipe temperature sensor
Detection error due to faulty indoor unit PCB
Troubleshooting
Summary of Contents for CS-E18NKUA
Page 9: ...9 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...
Page 10: ...10 5 Dimensions 5 1 Indoor Unit ...
Page 11: ...11 5 2 Outdoor Unit ...
Page 12: ...12 6 Refrigeration Cycle Diagram ...
Page 13: ...13 7 Block Diagram ...
Page 14: ...14 8 Wiring Connection Diagram 8 1 Indoor Unit ...
Page 15: ...15 8 2 Outdoor Unit ...
Page 16: ...16 9 Electronic Circuit Diagram 9 1 Indoor Unit ...
Page 17: ...17 9 2 Outdoor Unit ...
Page 18: ...18 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...
Page 19: ...19 10 1 2 Power Printed Circuit Board 10 1 3 Indicator and Receiver Printed Circuit Board ...
Page 20: ...20 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...
Page 21: ...21 10 2 2 Noise Filter Printed Circuit Board ...
Page 45: ...45 15 3 Error Code Table ...
Page 68: ...68 16 1 1 2 To remove discharge grille ...
Page 69: ...69 16 1 1 3 To remove control board 16 1 1 4 To remove cross flow fan and indoor fan motor ...
Page 70: ...70 ...