Carrier 40VM Series - Indoor Unit

71
E7: EEPROM ERROR (DATA STORAGE)
1. Error display:
IDU display: E7
2. Applicable models:
All indoor units
3. Error definition:
EEPROM error
4. Possible causes:
IC7 (Chip) on the main board with a damaged connection
YES
E7 error is displayed on the
indoor unit
Turn off power. Replace the
indoor unit’s main control board
Turn on the power