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8.4.2 Outdoor unit trouble shooting
8.4.2.1 E0 (Outdoor unit EEPROM parameter error) diagnosis and solution
Error Code
Malfunction
conditions
Potential causes
Trouble shooting:
EEPROM: a type of read-only memory. The contents can be erased and reprogrammed using a pulsed
voltage.
refer to the following photos.
E0
PCB main chip does not receive feedback from EEPROM chip
● Installation mistake
●
Faulty PCB
Outdoor EEPROM malfunction
Outdoor EEPROM malfunction
Power off, then restart the
Power off, then restart the
unit 3 minutes later
unit 3 minutes later
Yes
Replace the outdoor main
Replace the outdoor main
PCB
PCB
57
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