Trouble Shooting - Midea MSMTAU-09HRFN8-QRD6GW Service Manual

Ultimate comfort 3d inverter series
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10.2 Trouble shooting

10.2.1 EEPROM parameter error diagnosis and solution(E0/F4)
Error Code
Malfunction decision
conditions
Supposed causes
Trouble shooting:
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.
Indoor PCB
Note: The two photos above are only for reference, it's may be not same totally with the ones
on your side.
E0/F4/EA
Indoor or outdoor PCB main chip does not receive feedback
from EEPROM chip.
Installation mistake
PCB faulty
Outdoor PCB
34

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