Replace the indoor or outdoor mainboard.
10.4.2 EEPROM abnormal
Indoor Display
Indoor display
E4: Indoor EEPROM error
F12: Outdoor EEPROM error; Outdoor LED1 flash 1 times
The Data detected by the EEPROM are used to determine MCU
When the data of EEPROM is error or the EEPROM is damaged
■
Faulty EEPROM data
■
Faulty EEPROM
■
Faulty PCB
* Caution
:
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
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