Compressor Discharge Or Top Temperature Sensor Breakaway Error - Samsung AM080FXWANR Service Manual

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

4-3-21 Compressor Discharge or Top temperature sensor breakaway error

Outdoor unit
display
Duct, Cassette (1/2 Way),Console, Celing
Operation Defrost Timer Fan
Indoorunit
display
×
※ ● : ON ◑ : Flash ×: OFF
1) Faulty compressor frequency of 60Hz or higher.
Judgment 2) Suction temperature > Low pressure saturation temperature +10 ℃
Method
3) Relevant discharge or Top temperature < High pressure saturation temperature
4) In case of keep 30 minutes in state that satisfy all above conditions (1,2&3) for 30min.
Cause of
∙ Compressor discharge or Top temperature sensor breakaway and defective / Ineffective start of compressor
problem
1. Cause of problem
Is the Discharge or Top temperature sensor and the
sensor holder correctly attached?
Is the Discharge or Top temperature
sensor resistance value reasonable?
(Refer to the "Note 1")
Replace the PBA
Samsung Electronics
(Compressor 1 Discharge)
(Compressor 1 Top)
Filter/
Operation Defrost Timer Filter Operation Timer Turbo 24℃
MPI
× ◑ ◑ ◑
Yes
Yes
Resistance value
TOP1 : CN43 (3, 4)
TOP2 : CN45 (5, 6)
DIS1 : CN43 (1, 2)
DIS2 : CN45 (3, 4)
(Compressor 2 Discharge)
(Compressor 2 Top)
Cassette (4/Mini4 Way)
× ◑ ◑ ◑
No
Re-insert sensor Re-attach sensor holder
No
Resistance value
measure part
measure part
TOP1 TOP2
Wall-mounted (NeoForte)
× × ◑
Defective sensor : Replace sensor
NOTE1
Temperature(°C) Resistance(KΩ)
130 8.9
120
11.2
100 18.5
80 32.0
60 59.0
25 200.0
20 242.0
10 362.0
0 553.0
27℃
◑ ◑
105