Midea MCA3U-09HRFN1-M(C) User Manual

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17.4 Diagnosis and Solution
17.4.1 EEPROM parameter error diagnosis and solution (E0/F4)
Error Code
E0/F4
Malfunction conditions
Indoor or outdoor PCB main chip does not receive feedback
from EEPROM chip.
Potential causes
● Installation mistake
● Faulty PCB
Trouble shooting:
Yes
Replace the indoor/outdoor
main PCB.
Power off, then restart the
unit 2 minutes later. Does
a problem still remain?
EEPROM: a type of read-only memory. The contents can be erased and reprogrammed using a
pulsed voltage. To locate the EEPROM chip,
Indoor PCB
Outdoor PCB
Note: The two photos above are only for reference purposes only. The design of the devices
depicted may vary by model.

Midea MCA3U-09HRFN1-M(C) Specifications

General

Brand	Midea
Model	MCA3U-09HRFN1-M(C)
Category	Air Conditioner
Language	English