Troubleshooting
12-49Samsung Electronics
■
Communication Error between the Outdoor Unit Main and Sub MICOM or Communication
Error between the Outdoor Units
Outdoor unit display ↔ U*** (***: Outdoor unit address which an error is occurred.)
Indoor unit display
Judgment method Refer to the below judgment method
Causes Communication inferiority between outdoor units
Error reset (Key 3)
Check the cut cable of the
outdoor communication cable
Replace the PCB.
Is the power supply normal?
12V, 5V
Check the outdoor unit having errors
(U200, U201, U202, and U203)
Check the outdoor unit setting
option K13, K14
Check the power.
cut cable changing
or connection
Change the setting.
Yes
Yes
Yes
No
No
No
To Next Page
Loading...
Need help?
General
