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DIAGNOSIS AND SOLUTION
E0/F4/EA (EEPROM Parameter Error)
Description: Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip.
Recommended parts to prepare:
S Indoor PCB
S Outdoor PCB
Troubleshooting and Repair:
Shut o the power supply and turn it
on 2 minutes later.
Is it still displaying the error
code?
The unit is operating normally
NO
If the EEPROM chip is welded on main
PCB, replace the main PCB directly.
Otherwise, check if the EEPROM chip
is plugged in the main PCB
YES
Is it plugged correctly?
Correct the connection .
NO
Replace the indoor /outdoor
main PCB .
Remarks:
The location of the EEPROM chip on the indoor and outdoor PCB is shown in Figures 15 and 16:
Fig. 15 – EEPROM Chip (Indoor Unit)
Fig. 16 – EEPROM Chip (Outdoor Unit)
NOTE: These images are for reference only.
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