Troubleshooting SiBE01-829
44 Service Diagnosis
4.2 Indoor Unit PCB Abnormality
Remote
Controller
Display
A1
Method of
Malfunction
Detection
EEPROM is an electronic device which stores data or settings of air conditioner.
The condition of EEPROM is used to detect the PCB abnormality.
Malfunction
Decision
Conditions
When the controller is unable to read data from EEPROM
Supposed
Causes
Faulty indoor unit PCB
Troubleshooting
Replace the indoor unit PCB.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
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