Case Study - E108 (Error Due To Repeated Address Setting) - Samsung AM080FX A Series Service Manual

Troubleshooting
4-4 Case study for trouble shoots (cont.)
4-4-8 Case study – E108 (Error due to repeated address setting)
Outdoor unit
display
Operation
Indoorunit
×
display
※ ● : ON ◑ : Flash ×: OFF
Judgment
∙ Refer to the judgment method below.
Method
Cause of
∙ Indoor unit and MCU address duplication.
problem
Cause
Display : E108-A001-E108-A001...
Duplicated address of indoor unit
Duplicated address of indoor unit in EEV kit
Display : E108-C101-E108-C101...
→ Duplicated address of MCU
Samsung Electronics
- A00X (X : Address of duplicate indoor unit)
Defrost Timer
×
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
Check the EEV Kit setting
Check MCU address rotary switch
Fan
◑ ◑
Filter/EMI
×
Solution
234