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Troubleshooting
2.4.2 For the outdoor unit
2.4.2.1. E0 malfunction
E0 display
Outdoor EEPROM malfunction
Yes
If the EEPROM chip
is welded on PCB,
replace the PCB
directly. Otherwise,
check whether the
EEPROM chip
plugged in PCB well?
Yes
Replace the outdoor main board
52
No
Insert the EEPROM well
Electrical Control System
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