85
15.4.15 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry)
Error Code will not display (no Timer LED blinking) but store in EEPROM
Malfunction Decision Conditions
Freeze prevention control takes place (when indoor pipe temperature is lower than 2°C)
Malfunction Caused
Air short circuit at indoor unit
Clogged indoor unit air filter
Dust accumulation on the indoor unit heat exchanger
2/3 way valve closed
Faulty indoor unit fan motor
Refrigerant
shortage
(refrigerant leakage)
Clogged expansion valve or strainer
Faulty indoor pipe temperature sensor
Faulty indoor unit PCB
Troubleshooting
Summary of Contents for CS-E9PB4EA
Page 24: ...24 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control...
Page 25: ...25 5 Dimensions 5 1 Indoor Unit...
Page 26: ...26 5 2 Outdoor Unit 5 2 1 CU E9PB4EA 5 2 2 CU E12PB4EA...
Page 27: ...27 6 Refrigeration Cycle Diagram 6 1 CS E9PB4EA CU E9PB4EA...
Page 28: ...28 6 2 CS E12PB4EA CU E12PB4EA...
Page 29: ...29 7 Block Diagram 7 1 CS E9PB4EA CU E9PB4EA...
Page 30: ...30 7 2 CS E12PB4EA CU E12PB4EA...
Page 31: ...31 8 Wiring Connection Diagram 8 1 Indoor Unit...
Page 34: ...34 9 Electronic Circuit Diagram 9 1 Indoor Unit...
Page 35: ...35 9 2 Outdoor Unit 9 2 1 CU E9PB4EA...
Page 36: ...36 9 2 2 CU E12PB4EA...
Page 37: ...37 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board...
Page 38: ...38 10 1 2 Display Printed Circuit Board...
Page 39: ...39 10 2 Outdoor Unit 10 2 1 CU E9PB4EA...
Page 40: ...40 10 2 2 CU E12PB4EA...
Page 65: ...65 14 3 2 CU E12PB4EA...
Page 106: ...106 18 Exploded View and Replacement Parts List 18 1 Indoor Unit...