Samsung AC026JNNCEH Service Manual page 66

4-4-21 MDS Error Flow chart
Start
MDS Function On
Yes
Does any error message pop up ?
No
MDS has no problem
End
MDS Function only can be set in wired remote controller or central controller.
Error Message(Error message will be appeared after 3minutes)
-Wired remote controller: "E143" message is pop up.
-Display Panel: Operation & filter LED is blinking at the same time,after indoor unit is power off.
Samsung Electronics
Check is seg23 set to "0" in option
code
No
Check the wire connection
No
Check the MDS kit
No
Check the main PBA
No
Yes
Set seg23 to 1~8 digit
Yes
-Replace wire of MDS
-Connect wire of MDS
Yes
Replace MDS Kit
Yes
Replace Main PBA
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