Fehlercodes: F31_Mini_ECOi

Outdoor Unit Nonvolatile Memory (EEPROM) Error

1. Error Detection Method

It is judged an error based on the criteria listed below.

  • When power initially turned ON for the first time, nonvolatile memory (EEPROM) is not installed.
  • Read values after writing onto nonvolatile memory (EEPROM) is inconsisntent.

2. Error Diagnosis

PC board

1-1 Does EEPROM exist on the control PC board? Yes 1-2
No Install EEPROM
1-2 Is EEPROM installed properly? Yes 1-3
No Correct
1-3 Incorrect EEPROM
Replace with correct EEPROM.