Indoor Eeprom Malfunction E0 - Carrier 42QZA009DS-1 Service Manual

Trouble shooting
18.3
18.3.1 For the indoor unit
18.3.1.1 Indoor EEPROM malfunction
Power off, then restart the
unit 2 minutes later
Yes
Replace the indoor main PCB
EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and
reprogrammed using a pulsed voltage.
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