Indoor Unit Evap In Sensor Error (Open/Short) - Samsung AM006JNFDCH/AA Service Manual

Troubleshooting

4-4-4 Indoor unit EVAP IN sensor Error (Open/Short)

Outdoor unit display
Indoor unit display
Criteria
Cause of problem
1. How to check
Is indoor EVAP IN sensor
connector separated from the PCB?
After separating indoor EVAP IN sensor
connector from the PCB, measure the resistance
values between both terminals
At that time,
is the resistance value significantly
deviated from the temp. table?
Re-start after replacing PCB.
4-40
x x x ( x x x : The address of the error occurred indoor unit)
◑ ◑
(Operation) (Timer)
• Refer to how to determine below
• The EVAP IN sensor of No. XXX indoor unit has defective OPEN/SHORT
Yes
Ex) Room temp. 26°C – Resistance 10.93KΩ
Yes
Yes
×(Fan) ×(Filter) ×(Defrost)
No
Re-start after connecting
the connector to the PCB.
No
As it is due to an indoor EVAP IN sensor
defect, replace it.
Temperature Resistance
(°C) (KΩ)
70 2.2
60 3.0
50 4.2
40 5.8
30 8.3
21
12.1
10
18.0
0
27.3
-10
43.0
Samsung Electronics