E269 : Suction Temperature Sensor Breakaway Error - Samsung AM072/096/120/144FXVAFH Service Manual

4-4-22 : Suction Temperature sensor breakaway error
Outdoor unit display
Operation Defrost
Indoorunit display
※ ●: ON ◑: Flash ×: OFF
∙ Judgment Method : Difference of suction temperature of compressor starting verge and suction temperature that is
Judgment Method
on present operation : If less than 2 ℃ for 30 minutes to keep.(Judgment at heating operation only)
Cause of problem ∙ Suction temperature sensor breakaway/defective.
1. How to check
Is Suction sensor
and sensor Holder accurately
attached?
Is Suction sensor
and sensor Holder accurately
attached?
Replace the PCB
Samsung Electronics
Duct, Cassette (1/2 Way),Console, Celing
Timer Fan Filter/MPI Operation Defrost
× × ◑ ◑ ◑
Yes
Yes
Cassette (4/Mini4 Way) Wall-mounted (NeoForte)
Timer Filter Operation
◑ ◑ ◑ ●
×
No
Re-insert the sensor.
Re-attach the sensor holder.
No
Defective Sensor : Replace Sensor
Temperature(°C)
70
60
50
40
30
20
10
0
-10
Troubleshooting
Timer Turbo
◑ ◑
NOTE1
Resistance(KΩ)
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
4-57