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11.2 Trouble shooting
11.2.1 EEPROM parameter error diagnosis and solution(E0/F4)
Malfunction decision
conditions
Indoor or outdoor PCB main chip does not receive feedback
from EEPROM chip.
● Installation mistake
● PCB faulty
Trouble shooting:
Yes
Replace the indoor/outdoor
main PCB.
Power off, then restart the
unit 2 minutes later.
EEPROM: a read-only memory whose contents can be erased and reprogrammed using a pulsed
voltage. For the location of EEPROM chip, please refer to the below photos.
Note: The two photos above are only for reference, it’s may be not same totally with the ones
on your side.
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