E7 — Indoor unit EEPROM error (MMDB Indoor Units)

¿Qué significa E7 ?

This error code indicates a problem with the indoor unit's EEPROM on specific MMDB models. The EEPROM stores essential operating data.

• Data corruption in the EEPROM
• Failure of the EEPROM chip
• Power surge or interruption

Haga clic en los pasos para seguir su progreso.

1. 1

   Ensure the unit has a stable power supply.

2. 2

   Perform a power reset: turn off the breaker for 30 seconds, then turn it back on.

3. 3

   If the error persists, the indoor unit's control board may require replacement.