Samsung AVXCSH023/032/040CE, Service Manual

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Troubleshooting
Samsung Electronics 4-71
1. How to check
4-3-33 Oil Balance Valve Temp. Sensor error (Open/Short)
◑ (Operation) × (Timer) ◑ (Fan) × (Filter) × (Defrost)
• Wire breaking or failure of the relevant sensor
• Refer to how to determine below
Indoor unit display
Criteria
Cause of problem
Outdoor unit display
Is an outdoor
Oil Balance Valve sensor connector
dislocated from the PCB?
Does the resistance value
greatly deviate from the
temperature table?
After separating the outdoor
Oil Balance Valve sensor connector from the PCB,
measure the resistance value between
both terminals.
Restart after replacing the PCB.
Restart after connecting
the connector to the PCB.
At it is due to a problem with the
outdoor Oil Balance Valve sensor
No
No
Yes
Yes
Yes
Part to measure resistance value
Temperature
Resistance
(KΩ)
(°F) (°C)
266
248
212
176
140
77
68
50
32
130
120
100
80
60
25
20
10
0
8.9
11.2
18.5
32
59
200
242
362
553