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If the EEPROM chip is welded on main
PCB, replace the main PCB directly.
Otherwise, check if the EEPROM chip
plugged in main PCB well.
Shut o
ff
the power supply and turn it
on 2 minutes later.
Is it s
�ll
displaying the error
code?
N
YES
Is it plugged well?
NO
Replace the indoor/outdoor
main PCB.
The unit is opera
�
ng normally.
5.2
E0 (EEPROM parameter error)
Descrip
�
on
: Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip.
Recommended parts to prepare:
• Indoor PCB
• Outdoor PCB
Troubleshoo
�
ng and repair:
O
Remarks:
The loca
�
on of the EEPROM chip on the indoor and outdoor PCB is shown in the following two images:
Note: These images are for reference only.
Correct the connec
�
on.
Tr
o
ub
le
s
h
oo
ti
ng
