Samsung Electronics 234
Troubleshooting
4-4-8 Case study – E108 (Error due to repeated address setting)
Outdoor unit
display
- A00X (X : Address of duplicate indoor unit)
Indoorunit
display
Operation Defrost Timer Fan Filter/EMI
× ×
◑ ◑
×
※ ● : ON ◑ : Flash ×: OFF
Judgment
Method
∙ Refer to the judgment method below.
Cause of
problem
∙ Indoor unit and MCU address duplication.
Cause Solution
Display : E108-A001-E108-A001…
Duplicated address of indoor unit
Find IDU address #01 & another indoor unit which LED is blinking
Then change the address.
1. Press K4 button for 3sec in ODU PBA
2. Press K4 button 8times.
3. Check the displayed address which you set manually
Display : MANU-A000-A001-A002-A004-MANU-A001-A002-A004…
If you can’t see address “03” probably #03 IDU has wrong address
Duplicated address of indoor unit in EEV kit Check the EEV Kit setting
Display : E108-C101-E108-C101…
→ Duplicated address of MCU
Check MCU address rotary switch
4-4 Case study for trouble shoots (cont.)