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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
Содержание CS-E9PB4EA
Страница 24: ...24 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control...
Страница 25: ...25 5 Dimensions 5 1 Indoor Unit...
Страница 26: ...26 5 2 Outdoor Unit 5 2 1 CU E9PB4EA 5 2 2 CU E12PB4EA...
Страница 27: ...27 6 Refrigeration Cycle Diagram 6 1 CS E9PB4EA CU E9PB4EA...
Страница 28: ...28 6 2 CS E12PB4EA CU E12PB4EA...
Страница 29: ...29 7 Block Diagram 7 1 CS E9PB4EA CU E9PB4EA...
Страница 30: ...30 7 2 CS E12PB4EA CU E12PB4EA...
Страница 31: ...31 8 Wiring Connection Diagram 8 1 Indoor Unit...
Страница 34: ...34 9 Electronic Circuit Diagram 9 1 Indoor Unit...
Страница 35: ...35 9 2 Outdoor Unit 9 2 1 CU E9PB4EA...
Страница 36: ...36 9 2 2 CU E12PB4EA...
Страница 37: ...37 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board...
Страница 38: ...38 10 1 2 Display Printed Circuit Board...
Страница 39: ...39 10 2 Outdoor Unit 10 2 1 CU E9PB4EA...
Страница 40: ...40 10 2 2 CU E12PB4EA...
Страница 65: ...65 14 3 2 CU E12PB4EA...
Страница 97: ...97 8 Remove the Fan Motor by release the Fan Motor lead wire connectors and Fan Motor screws Fig 8 Fig 8...
Страница 106: ...106 18 Exploded View and Replacement Parts List 18 1 Indoor Unit...