Suction Temperature Sensor Breakaway Error - Samsung AM072BXV Series Service Manual

Troubleshooting
4-3 Appropriate Measures for Different Symptom (cont.)
4-3-22

: Suction Temperature sensor breakaway error

Outdoor unit
display
Duct, Cassette (1/2 Way),Console, Celing
Operation Defrost
Indoorunit
display
×
※ ● : ON ◑ : Flash ×: OFF
• Judgment Method : Difference of suction temperature of compressor starting verge and suction temperature that is on present
Judgment
Method
operation : If less than 2 ℃ for 30 minutes to keep.(Judgment at heating operation only)
Cause of
• Suction temperature sensor breakaway/defective.
problem
1. Cause of problem
and sensor Holder accurately
resistance value reasonable?
Samsung Electronics
Timer Fan Filter/MPI Operation Defrost
× ◑ ◑
Is Suction sensor
attached?
Yes
Is Suction sensor
(Refer to the "Note 1" )
Yes
Replace the PBA
Cassette (4/Mini4 Way)
◑ × ◑
No
No
Wall-mounted (NeoForte)
Timer Filter Operation Timer
◑ ◑ ●
Re-insert the sensor.
Re-attach the sensor holder.
Defective Sensor : Replace Sensor
NOTE1
Temperature(°C) Resistance(KΩ)
70 2.2
60 3.0
50 4.2
40 5.8
30 8.3
20 12.1
10 18.0
0 27.3
-10 43.0
Turbo
◑ ◑
103