Service diagnosis
30
Domestic air conditioner
10.3.2 EEPROM abnormal
Indoor Display
E4:
Indoor EEPROM error
Indoor display
Ŷ
F12: Outdoor EEPROM error; Outdoor LED1 flash 1 times
Method of The Data detected by the EEPROM are used to determine MCU
Malfunction
Detection
Malfunction When the data of EEPROM is error or the EEPROM is damaged
Decision
Conditions
Supposed
Ŷ
Faulty
EEPROM data
Causes
Ŷ
Faulty
EEPROM
Ŷ
Faulty
PCB
Troubleshooting * Caution
Be sure to turn off power switch before connect or disconnect connector, or
parts damage may be occurred.
Replace the indoor or outdoor mainboard.
Ŷ
★
Содержание AS12TB3HRA
Страница 12: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10 ...
Страница 14: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1 ...
Страница 53: ...three 6 Removal Procedure 4 Domestic Air Conditioner Remove the casing 1 2 3 ...
Страница 57: ...Removal Procedure 8 Domestic Air Conditioner motor cover motor cover ...
Страница 58: ...Removal Procedure 9 Domestic Air Conditioner ...