Error 1 — EEPROM malfunction or damage

What does 1 mean?

This error means the EEPROM chip on the main control board is damaged, has incorrect data, or there's a problem with its related circuits. The system cannot read or write data to this chip.

• EEPROM chip is bad
• EEPROM wiring is loose
• EEPROM data is corrupted

Click steps to track your progress.

1. 1

   Verify the electric box wiring is correct.

2. 2

   Check if the compressor wiring is firmly connected.

3. 3

   Test the compressor for normal resistance and insulation.

4. 4

   If the problem persists, replace the EEPROM or the main control board.