Compressor Discharge Or Top Temperature Sensor Breakway Error - Samsung AM080xXV Series Service Manual

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 Filter/MPI Operation Defrost Timer Filter Operation Timer Turbo 24℃
Indoorunit
×
display
※ ●: ON ◑: Flash ×: OFF
1) Faulty compressor frequency of 60Hz or higher.
2) Suction temperature > Low pressure saturation temperature +10 ℃
Judgment
3) Relevant discharge or Top temperature < High pressure saturation temperature
Method
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 PCB
Samsung Electronics
(Compressor 1 Discharge)
(Compressor 1 Top)
× ◑ ◑ ◑
Yes
Yes
(Compressor 2 Discharge)
(Compressor 2 Top)
Cassette (4/Mini4 Way)
× ◑ ◑
No
No
Resistance value
Resistance value
measure part
measure part
TOP1 TOP2
TOP1 : CN43 (3, 4)
TOP2 : CN45 (5, 6)
DIS1 : CN43 (1, 2)
DIS2 : CN45 (3, 4)
Wall-mounted (NeoForte)
◑ × × ◑
Re-insert sensor Re-attach sensor holder
Defective sensor : Replace sensor
NOTE1
Temperature(°C) Resistance(KΩ)
130
120
100
80
60
25
20
10
0
Troubleshooting
27℃
◑ ◑
8.9
11.2
18.5
32.0
59.0
200.0
242.0
362.0
553.0
4-43