E471 (Red ON, Green Blink, Yellow OFF) — Outdoor EEPROM error

What does E471 mean?

The outdoor unit's PCB LED displays E471 when an error occurs with the EEPROM (Electrically Erasable Programmable Read-Only Memory) on the outdoor unit's main board. This can indicate corrupted data or a faulty memory chip.

• Corrupted EEPROM data
• Faulty EEPROM chip on the outdoor PCB

Click steps to track your progress.

1. 1

   Turn off the main power to the outdoor unit at the circuit breaker for 10 minutes.

2. 2

   Restore power and attempt to restart the unit.

3. 3

   This issue typically requires a technician to check the EEPROM data or replace the outdoor unit's PCB.

4. 4

   Contact a qualified technician for further diagnosis and repair.