Samsung AM072BXV Series, Руководство по обслуживанию

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Troubleshooting
Samsung Electronics 109
4-3-28 EVI Out Temperature sensor error (Open/Short)
1. Cause of problem
Outdoor EVI OUT sensor
connector (CN44) connected to PBA?
Is the resistor value matching with
“NOTE1” table?
Separate the connector of the Outdoor EVI Out
Temperature sensor from the PBA and measure the
resistance value between the 2 terminals.
Restart operation after replace the PBA
Restart operation after connecting
the connector to PBA
Replace this part as it is the defective of the
Outdoor EVI Out Temperature sensor itself.
No
No
Yes
Yes
NOTE1
Temperature(°C) Resistance(KΩ)
70
60
50
40
30
20
10
0
-10
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
Outdoor unit
display
Indoorunit
display
Duct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mounted (NeoForte)
Operation Defrost Timer Fan Filter/MPI Operation Defrost Timer Filter Operation Timer Turbo
× × ◑ ◑ ◑ × ◑ ◑ ◑ ● ◑ ◑
※ ●
: ON
◑
: Flash ×: OFF
Judgment
Method
• Detect according to temperature detected with the EVI-Out pipe temperature thermistor.
Cause of
problem
• EVI-Out temperature sensor is defective. (open/short)
4-3 Appropriate Measures for Different Symptom (cont.)
EVI OUT
Resistance value measure part
CN44 (5, 6)
EVI OUT