Samsung DVM S ECO BIG Series Service Manual page 60

Troubleshooting
■ Error on outdoor temperature sensor of outdoor unit (Short or open). (E-221)
Outdoor unit Display
Indoor unit Display
Judgement Method
Cause of problem
Did the outside
temperature sensor
connector break away
from the PCB?
After separating the outdoor temperature sensor
connector from the PCB, measure the resistance
value between the terminals.
Did the resistance
value significantly stray
from the following
temperature table?
Restart operation after replace the
4-18
Duct, Cassette (1 / 2Way), Console, Ceiling
Operation
◑
Cassette (4Way / Mini 4Way)
Operation
◑
Duct, Cassette (1/2 Way), Console, Ceiling
Operation
◑
• Refer the next page
• Outdoor temperature sensor Short/Open is defective.
Yes
Yes
PCB
E-221
Defrost Timer
×
×
Defrost Timer
◑
×
Timer Turbo
×
×
※ ● ◑
: ON : Flash ×: OFF
No
Restart operation after connecting the connector
to the PCB.
No
Replace this since it is the defective of the outdoor
temperature sensor itself.
Temperature(°C)
70
60
50
40
30
20
10
0
-10
Fan Filter / MPI
◑
×
Filter
×
24°C 27°C
◑
×
Resistance(KΩ)
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
Samsung Electronics