H2SM-(9+12)HEK03/R2
Service Diagnosis
Domestic Air Conditioner
56
7.4.7 The outdoor EEPROM Abnormality
Indoor Display F12
Outdoor Display /('ÀDVKWLPHV
Method of Malfunction
Detection
The Data detected by the EEPROM are used to determine MCU
Malfunction Decision
Conditions
When the Data of EEPROM is error or the EEPROM is damaged
Supposed Causes
Faulty EEPROM data
Faulty EEPROM
Faulty PCB
7URXEOHVKRRWLQJ
* Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may
be occurred.
The outdoor mainboard is
damaged and needs be replaced
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