Carrier 42QHC012D8S Series - Page 65

34
16.3 Trouble shooting
16.3.1 For the indoor unit
16.3.1.1 Indoor EEPROM malfunction
Yes
Replace the indoor main PCB
Power off, then restart the
unit 2 minutes later
EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and
reprogrammed using a pulsed voltage.