Carrier 38LUVH065N-1 - General Diagnosis and Solutions

PART7, 2
2. Diagnosis and Solution
2.1 EEPROM parameter error diagnosis and solution
Shut off the power supply and turn on it 5s later
The problem comes out again
Is the EEPROM chip plugged in indoor unit PCB well?
No
Replace the main PCB of indoor unit
Correct the connection