Samsung AG026MN1DEH Service Manual page 80

4-3-2. Fan coil unit EVAP IN sensor error (OPEN/SHORT)
1-Way
Fan coil unit
display
blue
green
2-Way
Criteria
Cause of
4-Way cassette type
stop
or or
Clean
Filter
18°C 21°C
to the PCB.
as it is defective.
4-26
Trouble shooting
Circular cassette type
24°C 27°C Blue
Blue
2.2
4.2
5.8
8.3
12.1
27.3