Compressor Discharge Or; Top 1/2 Temperature Sensor Error - Samsung AM072BXV Series Service Manual

Troubleshooting
4-3 Appropriate Measures for Different Symptom (cont.)
4-3-20 /
error
Outdoor unit
display
Duct, Cassette (1/2 Way),Console, Celing
Operation Defrost
Indoorunit
display
◑
※ ● : ON ◑ : Flash ×: OFF
Judgment
• Detect according to temperature detected with the compressor discharge pipe temperature thermistor.
Method
Cause of
• Compressor Discharge or Top Temperature sensor defective. (Open/Short)
problem
1. Cause of problem
Compressor
discharge or Top temperature sensor
connector (CN43, CN45)
connected to PBA?
After separating the Compressor Discharge or
Top Temperature sensor connector from the
PBA, measure the resistance value between
the two terminals.
Is the resistor value matching with
"NOTE1" table?
Restart operation after replace the PBA
Samsung Electronics
/ / Compressor Discharge or Top 1/2 Temperature sensor
(Compressor 1 Discharge)
(Compressor 1 Top)
Timer Fan Filter/MPI Operation Defrost
× × ◑ ×
Yes
Yes
(Compressor 2 Discharge)
(Compressor 2 Top)
Cassette (4/Mini4 Way)
◑ ×
No
Restart operation after connecting
the connector to PBA
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)
No
Replace this part as it is the defective
of the Compressor Discharge or
Top Temperature sensor itself.
Wall-mounted (NeoForte)
Timer Filter Operation Timer
◑ × ◑
NOTE1
Temperature(°C) Resistance(KΩ)
130
120
100
80
60
25
20
10
0
Turbo
× ◑
TOP1
TOP2
8.9
11.2
18.5
32.0
59.0
200.0
242.0
362.0
553.0
101