koppel KV 24CC-ARF21 - Page 120

2.4.2 For the outdoor unit
2.4.2.1. E0 malfunction
If the EEPROM chip
is welded on PCB,
replace the PCB
directly. Otherwise,
check whether the
EEPROM chip
plugged in PCB well?
Yes
No
Yes
Insert the EEPROM well
Replace the outdoor main board
Outdoor EEPROM malfunction
E0 display
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